Posi rear end fluid
8. Has Backing Plates and Axle Shafts. 73 6 lug 14 Bolt locking rear differential for 95 my K1500 as I blew up my 10 bolt 3. 73 & Up Gear Ratios. Series 2000 75w-90 Regular synthetic gear lube The second link show a 80w-90 oil that is GL5 rated as well which works for the front diff. Best- 11. 73 stock locking rear. I guess that would depend on what part failed first. . 5 Ring 3. It also keeps the rear quieter. Applications For axles equipped w/ limited slip, posi-traction, or traction equalizers, for use in all domestic & foreign cars & trucks Rearend/ Differential Parts, Service and Full Fabrication Shop Hot Rod, Rat Rod, Race Car, Race Truck, 3rd Member, Third Member, Differential Axles, gears, ring and pinions housings bearings seals, covers hubs posi's, Custom Narrowed Housing and axle packages. 31:1 (1976-1982), or 2. Good luck and in the words of Turbobrick member Dave Barton, enjoy your "tire glue". 0: Fox 5. 1963-79 (C2, C3) Differential Fluid Kit Part #: 25-114776-1. The Ford fluid is quite a bit cheaper than the GM stuff. JPG Posi units: Auburn Gear: Planetary, limited slip and OEM differential units. The 1. I planned on using GM 88862624 Differential Lubricant and four ounces of GM Fluid 88900330 Limited Slip Axle Lubricant Additive. This Chevrolet Performance limited slip lubricant additive not only quiets your rear-end, but it can also aid in your differential's ability to apply and release the clutch smoothly, creating a more pleasant and predictable power delivery. 95 : 1. 10 gear ratio. otherwise take the differential cover off and look if there are clutch packs (about 3 inch circles about an eight of an inch thick in a group of at least a few) in line with axles on either side of the big gear in the middle u probably have posi. Both the front and rear differentials were filled with Amsoil SVG. 0 Mustang Tech: 8: Oct 2, 2004: T: change rear end fluid: SN95 4. We also like Mobil One 75-90 gear lube because it reduces differential oil temperatures compared to the GM lube. 3, 3. RE: Rear end oil IP: Logged Message: Jimmer, I'm going with Amsoil synthetic when I change the fluid in the LSD soon, for two reasons: extended drain interval and mpg improvement. With proper care and maintenance, the 10-bolt will provide years of trustworthy service to its car owner. True Lockers pop when turning because they have interlocking side gears. Use with conventional GL-5 or synthetic gear oils. Buy LUBEGARD LIMITED SLIP SUPPLEMENT Differential REAR END FLUID ADDITIVE POSI TRACK 3 PACK: Transmission - Amazon. That noise means it’s definitely time to change your differential fluid. Feb 17, 2012 · As long as you're in there, drop the rear cover, change the fluid, and make sure you add the posi additive if it has a posi rear end. Description TRANS-X POSI-TRAC Limited Slip Gear Oil Additive is designed to quiet chattering differentials and improve gear oil performance. Axle shafts are 28 spline and are the bolt-in design - not c-clipped and feature open (lubed by differential oil) press on bearings. For use in Trac-Lock, limited slip, and posi traction rearends. What you need for GM Posi-Trac Differentials (limited slip). 919-672-2705. D. 8; limited slip differential (Posi); 6 Lug Wheel Studs or Rear; Rear; 4WD; Gear Ratio 3. It made it easier. Third Member Installation Kits are also available containing 3 quarts of oil, housing nuts, dropout gasket and friction modifier (in LSD applications). * Install the Lock-Right gears in place of the original side and spider gears. 1967 Camaro 12 Bolt 3. Built from the 1970s through today (the 8. I run the Lucas 90w120 with the posi lube. Plan Nov 05, 2012 · I have a 1995 Vogue Motor Coach (actually built in 1994) with a Rockwell rear axle. Is the Eaton Posi Rebuildable? Yes. I suggested Lucas because several of my big truck heavy hauler customers report having a 20 to 30 degree drop in gear oil temps in their applications. Call Surefire at 1-800-790-9094 for customer service, availability and technical assistanc Apr 26, 2017 · This allows the clutches to let go more easily, and last longer. the posi additive was avaiable from GM for about $5. "last time i checked the vin read i dont got the g92 package, ill have 2 double check, but wuts up with the rear loose bearing,press,fit,rearend,rear end,axle,differential,tools,LOCTITE Description: This sleeve retainer is perfect for carrier bearings that are a loose fit or races that have a loose fit. 25 Ring 3. More from Larry Paulick: I have been using Mobil 1 Differential Oil in my Dana 44, 354 Posi, for the last 6 years, and it needs no additives. 625 - 10 Bolt Cover; Limited Slip Differential (Posi) G80; 13 x1. May 21, 2020 · Rear differential form an 82 Mustang GT. The differential was full of metal particles and burnt gear oil. SAE 80W-90 API GL-5 Limited Slip Differential Fluid, 1 Quart by Sta-Lube®. Limited Slip Differential (Posi) G80. Does it reduce friction, or does it increase friction? Why does it matter? Because the shop I go to will DarkHart is right, jack up and support both rear wheels, remove driveshaft and brake drums, turn axles slowly and there is a hole in each axle plate which contacts the brake drum, there will be four 9/16 self locking nuts you can access theough this hole ONLY. This type of differential is designed to “lock” the axle shafts together such that they are always rotating with the same speed, causing the drive wheels to spin in unison, irrespective of traction or resistance available to each separate wheel. That causes the chatter-free clutch packs Nov 21, 2016 · 12 bolt rear end for how to remove bushings from chevelle 12 bolt rear housing posi Ford 8. will last a long time with virtually no maintenance — if you use the correct oil and don't abuse it. The Toyota LSD-TL gear oil provided by Dealer is only for 2008 and newer per service bulletin T-SB-0118-08 July 25 2008. Trac-Loc Differentials SUM-CTF9TRACL31 and get Free Shipping on Orders Over $99 at Summit Racing! Summit Racing® Ford 9 in. With the car sitting level, I usually put fluid in it slowly until it starts to flow out of the hole. As for the amount of fluid, fill until it runs back out the hole. I used a 9mm hex wrench. 8" 34 Spline Clutch Style Posi Limited Slip w/ Bearings Technical Notes: DTA recommends the use of high grade GL-5 gear oil and Limited Slip Differential additive for long life and smooth operation. The oil you saw may be fine for them. Since many of the components are made  20 Jan 2012 If you have posi-traction, there might be slightly more reason to drain it and refill, but still I wouldn't do anything other than that. He said he stocked up on it just before they reformulated it. like, you do have posi and the correct gear oil and "posi additive" has been added in the right amount, something that will aid in lubricating the clutches (keeps popping noises down) is: find an abandoned parking lot, drive in really tight figure "8s" this gets the additive and gear oil to go in-between the clutch packs inside the differential The 1990-93 1. 31 Posi Rear End QL 0119G2 Dated A-5-7 Rebuilt 1967 Camaro NOS 12 Bolt Rear End Oil Fill Plug Original GM Part # NOS-1999 $79. 1967 Red 12 Bolt Rear End Axle Posi Tag, 1 Inch Hole Chevy Camaro Rear End Axle Breather Ventilator Valve, 10-Bolt or 12-Bolt Rear End Axle Cover Oil Filler Pipe Plug Bolt, 3/4 Inch 1972 - 1989 Camaro Metal Rear End Axle Posi Tag, USE LIMITED SLIP DIFF LUBE ONLY I have 1979 Trans Am with a limited slip differential and I want to change the differential oil. Don't use synthetic. 8. This is an example of a newer-style Eaton Posi-Trac diff carrier. Mar 17, 2008 · Ironically, the diff that needed replacing was the victim of a faulty posi unit, not the small-size differential itself. Friction modifiers should not be used because they will decrease performance (reduce differential bias). 5" 10 Bolt Rear End Cover : $119. 73 gears on my 68 Camaro What weight of oil should I use - was thinking of Royal Purple 75W90 Synthetic. You can do it for far less, with better materials. The Amsoil Severe Gear is for limited slip differentials (posi). It's easy enough to remove the rear cover to drain the fluid. In addition to reducing friction and wear caused by extreme temperature, Tiger’s HP Rear End Oil contains additives that prevent rust, oxidation, and corrosion from occurring as well as an anti foaming agent to maintain the top performance and extend the life of your Quick Change. If it still chatters, add a 2nd bottle. Open diffs usually have no tags, except Chevy diffs usually have a code and ratio tag attached to a lower left cover bolt. Nearly all non-M models use an open differential and rely on traction control to limit wheel spin. Ford cars and trucks from 1968 on have an axle code on the Certification Plate, information on this plate can be used to determine if you vehicle is factory equipped with a limited slip positraction rear end - differential. 73 (o) Our Price: $2,406. I'd really rather use a 75W-90 full synthetic (Mobil 1) with the LSD additive already mixed in. I recommend full synthetic lubes, and personally believe Amsoil will give you the best protection. Hi I´m going to make an oil change in my ford 9" inch rear end. 0 TPI (LB9). Choose the Oil & Additives you need for your car or truck Ford 9" (9 inch) - 28 Spline differential Quality & Customer Service Distributor Support Warranty Info About Yukon Calculators Product Sheets Y. 5 rearend: Bwad: How-To Submissions: 53: 08-06-2015 11:20 PM: Rear differential fluid question: craiginator: Drivetrain Tech: 1: 07-03-2012 12:12 PM: differential fluid: redranger98: Drivetrain Tech: 1: 03-19-2011 10:04 AM: Low Brake Fluid wet rear Tire, Put more fluid in and can I drive to a Okay listen up, it depends if you have a locking differential or not, if you have a locking differential do not add friction modifier because you will ruin the clutches, if it is a locking differential in other words posi-traction use your standard 80W-90, and if it is not a lockup use 75W-140 synthetic gear oil the front will take about 2qt and the rear will take almost 3qt, you may have to Motive Gear offers aftermarket ring & pinion gearsets, differential bearing kits, a complete line of transmission and transfer case parts, as well as replacement axle shafts. Dec 03, 2011 · As for Gear Oil you need 80/90W gearoil for both axles and the posi additive for the gov lock. Sep 10, 2009 · The 80W90 GL5 is the recommended oil for that differential. Axle Fluid) for all Posi applications. Do you have any idea how much do I have to use from this additive and how much oil I need. 75" 10. With the car on a lift and driveshaft constrained, a wheel will show a considerable and consistent resistance to rotate (you are slipping the differential clutch). Currie Racing Gear Oil Features & Benefits 05 GMC Sierra SLE 1500, ext cab, Polo green, 5. Lots of big wagons also had posi, & the posi carrier will fit the Gbody housing, but a wagon housing is way too wide, has the wrong bolt pattern on the axles, & the mounting brackets won't match up to a regal. 5 rear end, but the housing doesn't fit a regal. 00 : GB0-ARE-A18-REC Buick Logo 8. Look at the UOA in the link below. GM differentials come in a wide range of sizes. com If you are experiencing the common differential chatter noise on turns when cold (rubbing, scraping, clunking, grinding or chatter sound), changing the differential lubricant will rid the noise instantly, at least after doing a few figure 8's with the new lubricant in place. Have Orignal 12 bolt - with a posi (Eaton) 3. Estimate does not include taxes and fees. RT JEGS Posi Traction Differential Kit with Ring and Pinion for GM Truck [12-Bolt, Quarts 75W-90 Synthetic Gear Oil (1) 4oz Bottle Limited Slip Additive; View Details. Chevy Astro Van 1995-2002 differential 7. It is approx 3. I know! posi's aren't traditional but one car has it and the other is a no brainer , so any help would be appreciated . GM limited slip additive is formulated for use in limited slip, posi-traction rear axles, limiting excessive clutch plate friction for reduced chatter and rear end noise. I have used Lucas 80W-90 oils and about 5oz of an additive for limited slip differential. 73 - GT4; Ring Gear 8. 2" / 8. Install the cross shaft. A $20 fix to a $600 quote to replace my axle seals. Housing, with OEM located mounting provisions, seamless steel tubing (3" O. When I dragged this diff home from the boneyard, it was filled with a 2. POSI only needs the limited slip additive IF YOU HAVE the option in your rear. All are of course premium grade products proven that they can handle the torque of a Big Block Olds. Rear End Housing Assemblies : $1,495. 8 posi rear end ? Closed Thread Tweet PowerTrax produces a full line of traction products. Any 80W90 oil will work if you have a posi or limited slip diff make sure to get some limited slip additive. Ron Cavanagh, buickron@aolcom Drivetrain America is your premier provider for high-quality truck and auto parts. Package includes; New Moser 12-Bolt Made in the U. "Posi noise" you will only hear at very low speeds in tight turns. Anyway the dealer looked up my VIN and and confirmed the type of diff fluid I used was correct. I'm about to put a car on the road that i have been picking away at for 8 years . Limited Slip. Start by lifting the rear differential off the ground and safely supporting it. 75 pints for most 9 inchers Aug 24, 2008 · The Lucas 80w90 gear oil has their oil stabilizer product mixed in, not an additive for a clutch type posi. Anyways because you have a LSD you need a Posi-Trac additive. I buy my posi additive at any Gm dealer. The limited-slip differential is similar to the positraction differential, but allows the wheel with traction to have only a limited amount of greater power than the wheel that is slipping. 98 02 Rear End Chevy Camaro Pontiac Firebird 3. Plus, positraction rears will take 2 bottles of posi additive. Ford 9 31 spline Strange forged clutch style posi-unit. These have 35 spline axle gears. 1963-1979 Corvette Differential Fluid Kit Tweet. Driveshafts: changed my rear fluid and used the pump you suggested. 00 : GB0-PEN-GBP-GREC Girdle Rear End Cover : $149. For phone technical and / or identification questions, call our tech line at 503-641-1442. 42 rear end. RANDYS carries GM differentials from the small 6. First Name: Jared Vehicle(s): 2018 JLUR Joined: Feb 28, 2018 Location: Denver, CO Posts: 459 Liked Oct 08, 2015 · Getting ready to re-install the posi-differential back into the 67 Riviera GS. Contact us to learn more. 0 Mustang Tech: 18: Mar 2, 2011: What rear end set-up would be best: 1994 - 1995 Specific Tech: 27: Sep 7, 2009: 9: Best rear end gears for 03 GT 5 speed: 1996 - 2004 SN95 Mustang -General/Talk-17: Nov 23, 2008: best price on Fits Rear; Rear; RWD; Gear Ratio 3. Before putting it in, I want to change out the oil. The plastic cap that you see on top of the pumpkin should be a vent if you look on the pass. 800-646-7618 . 31; Ring Gear 8. Differential Fluid Type Grade Synthetic Viscosity 75W-90 Limited-Slip Differential Only With Complete drain and refill, add 4 ounces (118 ml) of Locking Differential Axle Lubricant Additive, GM P/N 1052358 in Canada use P/N 992694 or equivalent This is for Your Choice of ONE RARE 1961 61 1962 62 1963 63 and 1964 64 Chevy Passenger Car, (Impala, Bel Air, Biscayne, etc), and Also Applicable to 1961 and 1962 Corvettes, 3789812 Empty Positraction, (Limited Slip), Empty Rear Axle Differential Housing, (with a P on the Case). The bad news is if you put oil "gear lube" back in it ,it will still make about the same noise as the damag posi rear end. Mar 06, 2015 · Limited Slip, Posi, The Newer G80's are clutch type differential units. made by Currie, for as low as $14. I'm sure Valvoline is good also. sye, posi lock, 35x12. Ac Delco sells an additive you can add to normal gear oil. National Oil Seals Pinion Seal # 2043 (Fits: 1968 Pontiac Firebird) NEW 2" DROP SUSPENSION & WILWOOD BRAKE SET,CURRIE REAR END,ARMS,POSI GEAR,676974 (Fits: 1968 Fits Rear; Rear; RWD; Gear Ratio 3. Now to the point, ive also been told that the ford 9" rear end needs an additive mixed with the oil becouse of the traction lock?!? The thing is that it seems Differential Carrier Cases Differential Covers Differential Lockers & Spools Differential Rebuild Kits Driveshafts Gear & Install Kit Packages Housings, Dropouts & Pinion Supports Individual Bearings Limited Slip Differentials Miscellaneous Off-Road Recovery Gear Oils & Additives Ring & Pinion Gear Sets Small Parts & Seals Spider Gears & Internals Jan 09, 2020 · Drained the 'Toyota Limited Slip Differential 75W-85 gear oil TL GL-5' recommended by Dealer because clutch plates were binding and shuddering when turning. Cart 0. Location: Rear. It can also be used in automotive, light and commercial truck heavy duty differentials, where specified. Check with your differential manufacturer to see if a friction modifier is recommended. The car is a totally stock 1963 Galaxie 500 Sedan with 352, Cruise-O-Matic, and 3. thanks for the tip. Jul 08, 2002 · Ford Mustang Forum > Ford Mustang Model Specific Forums > 5. Note about price: The cost of this service or repair can vary by location, your vehicle's make and model, and even your engine type. 18 Rotors, No Active Brake Control; Match Front Axle Ratio (Only 1 Posi-Trac™ Limited Slip Differential Fluid Additive, 7 oz by K&W®. 30:1 ratio - that's it for the 6" ring gear size, theres no known alternative ratios that came out of the Mazda factory however the was apparently a 4. Vintage models and M cars use some form of limited-slip - clutch-type, viscous, or Torsen designs. As I was changing the oil in the rear differential, there was a tag that says Positraction differential lubricant only, is there a difference in lubricants. 88:1 (1982-1985) ratios. Well the posi is great, but having such a high gear just won't do. It has 101,000 miles. He would be using a hypoid gear oil which most are because they are backwards compatible so it would just make sense to make just hypoid. You should only need 1 container of posi fluif additive,then A posi differential will have a metal tag attached to a lower right hand cover bolt warning about the type of diff. From full spools and mini-spools for the ultimate in straight-line performance, to full limited slip posi differentials and drop in lockers, PowerTrax provides extreme traction solutions! Get the all in one kit from Latemodel Restoration which includes two bottles of Royal Purple max-gear oil and one bottle of Ford Racing friction modifier. 99 Kit (No Discount Aug 01, 2012 · Discuss How To: Change Differential fluid on Open 7. Summit® Trac-Loc's are ready for your heavy-duty application at a My Chevy 96 Impala SS makes a loud noise that comes from the limited slip differential. Mobil 1 Synthetic Gear Lube LS is a supreme performance, synthetic, multipurpose, automotive gear lubricant Apr 16, 2019 · Meanwhile, differential fluid capacities have largely decreased or remained the same. GM rear end gear oil has been the choice of restorers and weekend warriors for years to protect expensive to repair components. 6 rear end was offered only in a 4. As you know, both the Eaton 65-79 and the Dana 80-82 Corvette differentials use springs to preload the clutch pack that transfers torque to the unloaded tire. What is the warranty on my Eaton Performance differential? Eaton Performance differentials (including Eaton ELocker, Eaton ELocker4, Eaton Posi, Detroit Truetrac, and Detroit Locker) are warranted for one year against manufacturer defects. If using non-“LS” gear lube, add four ounces of General Motors “Limited Slip Axle Lubricant Additive” per one-and-a-half quarts of gear lube (GM P/N 88900330/10-4003). Back in 1996, maximum towing capacity was 10,500 lbs. 4 remove all bolts. 75″ limited slip differential. View Detail Page Warning - Click here for Proposition 65 information for this product Dec 19, 2003 · This was in an Eaton Posi unit not the G80 that is in our trucks. Towing a 5er, I follow the severe service, service guide. Eaton Posi prevents wheel slip before it can get started. ( rear axle only) and you need Diff cover gaskets you have a 10 bolt axle front and rear. This additive is a must to eliminate overheating and possible damage to the friction plates. Remove the brake rotor. 73:1 rear end with a posi 3 series carrier. He said the my hoe had posi rear end but just the synthetic was fine. Then I continuously refill that bottle as needed. 5" is the most common rear axle and is still in use today in GM rear wheel drive cars and trucks. Kit contains: (3) 1 liter (1. E. Jun 13, 2013 · The differential oil change period on my car is 250,000 kilometers, and too long for me. Thanks! Although this covers the standard ring and pinion, there is only a small difference of load buttons in the limited slip differential. Salisbury 4HU Powr-Lok. Ford Super 8. 00 . Some use a gasket while others prefer to just put a bead of silicone around the cover before reinstalling. The only thing that I felt was lacking was a scale on the side  19 Sep 2019 Your differential allows you to corner safely while putting maximum traction Your pickup, SUV or rear-wheel-drive car likely has an open, or standard, differential. I'm a little confused on the gear oil I need for my 8. 70 open 10-bolt, due to the O/D, this ratio should work just fine! Gear oil is the life blood of your differential. AFE Power Rear Differential Cover 94-19 Ford F-250 / F-350 AFE-46-70022 15. What gear oil do I use? Your rear end fluid choice is predicated on what “carrier” you are using. 50. Notice the heavy duty springs that allow a very limited slippage to control wheel hop and axle strain while cornering. ) For race use: straight 75W90 gear oil with no GM additive. 977 @ 116. 8 explorer rear end (1996 disk brakes limited slip rear end) I went to NAPA, they looked it up and give we 85W oil, I get home and find a tag on the rear that says to use 75w 140 synthetic ONLY. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. 100,000 lb plus GVW, 500 hp diesels twisting on 15 1/2" ring gear diameter rearends. The 2004-2006 Pontiac GTO comes from the factory with a 3. So, to remedy the peg leg, I bought a 2. With this in mind, our first move was to raid the Eaton catalog for PN Supplied with rear end. 95 : 15. The fluid in the Owner's manual is 80-90 GL5 for the regular sedan and 75W-140 Synthetic GL5 for the L model. Some newer limited slips use magnets not clutches. The ford stuff is what Eaton posi's suggest you use. It is a limited slip with 3. Extreme pinion angles and applications, as well as aftermarket components (such as diff covers) added to the unit may drastically change the unit’s capacity. It seem to do fine. This is beneficial in hard-corner turning. 95 : 4. When applied, the gear oil in the differential carries this Engine and Metal Treatment to the asperities of the metals to form a covalent, galvanic bond on it. 56 and 2. If you can find the  30 Mar 2012 Cause: Worn rear pinion bearing or worn gear set Cause: Posi chatter due to improper lubrication; worn clutches or spider gears; improper assembly Do you think me checking for low differential oil, and if low, then  Currie/Torco 99011 Posi-Traction Lube Additive, 4 oz. But it’s all good now. Or use the dipstick to measure the level. They also make a better version called the Hydratrak SRD but it uses a different spline count on the axles preventing it from being a direct swap into our rears Vehicles originally equipped with the 9 bolt rear: Jun 12, 2005 · G92 for 1987 required the following options: * 5. Apply the compound to a clean and dry surface. 99 2050-01-01 Keep your rear differential cool and looking good with an AFE differential cover for your SuperDuty Nitro Ring and Pinion Gear Kit Dana 60 Reverse Rotation Front Axle NG-D60R Jul 18, 2008 · Rear end diff fluid change on 90 5. In anycase it will not hurt a thing. If you do not see that,then jack up the rear end of the car. side of the rear end you should see a plug with a square hole that a 3/8 ratchet will fit in. 73 posi setup. I thought, perhaps I should not use the additive with the Lucas gear oils or perhaps When I changed my rear differential gear oil on my 2012, I used Amsoil 75w/90 Severe Gear, gear oil. boB Dodge Dakota JOIN HERE 12/01/2004 22:48:46: RE: Rear The leak may come from a damaged drain or filler-plug washer. Product Features: Quiets noisy gears; Mixes with any gear oil OK 3-QRT-CONV-A - 3 Qt. The Chevy 10-bolt differential is the most popular automotive rear-end second only to the Chevy 12-bolt. This gear oil is not compatible with synthetic oils or additives. 95 : 12 Notes: Rear, 10 Bolt Cover, Unit Filled with Fluid. 07:1, 3. Jan 16, 2015 · The Positive Traction Differential . com. This additive is a must to eliminate  4 Apr 2019 When slip begins, the limited-slip lock-up is either via a complex geartrain, a clutch pack, or a viscous fluid. 12Bolt Tom Lowe 41,179 views. What you need for GM Posi-Trac Differentials (limited slip). Jan 23, 2014 · Maybe something has either A) broken, or B) maybe you haven't checked the fluid in your Mopar's rear end in quite a long time. 46 gear ratio limited slip differential. What kind of oil should I use? Can I use synthetics? Do I need a friction additive/modifier? Eaton Posi units perform best when using GL4 (or better) mineral/petroleum based gear oil. 2:18. No special oil additives are required. DANA. The following are estimations of oil capacities for your new differential. Also if you have a posi-trac rear end you will need to Its actually called hydra-lok in his year jeep. I currently have an Eaton Posi, but kind of want to Getting ready to change the rear differential fluid on my F-150. You have all kinds of bearings in there aside from the ring and pinion mating surface. Consequently, frictional requirements of the fluid can vary. 0 TPI (LB9) * Limited slip differential (G80) * Rear disc brakes (J65) * Engine oil cooler (KC4) G92 (performance axle ratio) available only on IROC-Z with 5. Jan 09, 2008 · Differential Oil Change for a C6 Corvette. Mar 13, 2019 · Differential Fluid. If you have a G80 limited slip differential you may want to use a differential additive. 8 Oz  Topping off and replacing differential fluid at regular intervals will extend the life of Differential Rebuild Bearing Overhaul, Ring and Pinion Change, Posi Trac  2 Oct 2013 With 220k miles on my '98, the rear differential still had the QC guy's to use a limited slip additive on it since it is not a true posi (or something  Original GM limited slip differential lubricant additive specially formulated for use with limited slip or positraction rear axles. also i used a 5/8- 8 point socket to take the plug out. I now want to change out the diff flui Differential While we are probably best known as the 12 Bolt "O" Axle specialists, we also carry an extensive selection of rear end components for all 64-76 Cutlass/4-4-2 differentials. As plates slip and stick, a jumping or jerking feel occurs accompanied by a clunk noise. I was planning on changing out the gear oil on my rear differential. Product Diagrams. 42(open) abs Sep 25, 2011 · Trac-Loc Limited-Slip Posi: The Trac-Loc Limited Slip Differential is designed as a direct replacement for the hard to find expensive OEM unit, or for those enthusiasts desiring to convert to a limited slip. To do that, carbon disc clutch packs, preloaded by a central spring assembly, are located behind each differential side gear. I use Amsoil synthetic in the rear ends that I build. otherwise if u know what 75w90 gear oil smells What is the rear differential fluid capacity of a Chevy 14 bolt rear end? When I changed the fluid in mine it took 3 quarts to fill it up. A four ounce bottle of friction additive/modifier is also necessary for optimum performance. Chevy 2500 1999-2007 differential Full-Float 10. The Sure-Grip differential can be checked to determine if its performance is satisfactory without removing the differential and carrier assembly from the vehicle. Anti-spin ("posi") is the "S" spring, clutch style. The use of synthetic oil is allowed but may result in aggressive or noisy operation. I use Amsoil only because it is easy to obtain. 8 Dec 2019 What About a Rear Differential Leak? Although noise is a common symptom, you are probably more likely to notice a fluid leak or just low oil for . Dipstick is the baby finger on the right hand, unless you're left handed. 5", common under 3/4 and 1 ton trucks from Chevrolet and GMC. $74. Remove both rear wheels. Midlands Lubricants suitable ASV Posi Track Oils includes Hydraulic HVI 32 Oil, Hydraulic 32 Oil – 10w/30, 15w/30 Low Saps Engine Oil – Universal Transmission Fluid – 80w/90 Axle Oil – Antifreeze Blue Concentrate – 80w/90 GL5 Gearbox – Final Drive Oils – Differential I used GM limited slip additive in my (trucks) rear end when it started to chatter. Looking at the rear diff from the back of the car, there are two bolts, about 6 o'clock and 3 o'clock. I pump some gear oil into the diff from its 1-litre container, then top up the gear oil container with this additive and pump the remainder into the diff. Prestono more noise. This is different than vari-lok which is a true clutch pack design, where as the hydra lok actually uses hydaulic pressure generate by a pump on the driver side of the differential to apply the clutches harder as more slip occurs. No kidding. Ring Size/Type 8. Designed using state-of-the-art changing the diff fluid on my 79, but im not sure what grade diff fluid to use. Apr 16, 2010 · I have changed the brakes, rear-end fluid, added the GM posi-additive and replaced both drive and axle shaft universal joints. Gear Ratio 3. The gasket between the differential carrier and the axle may fail, especially if it was fitted incorrectly. Part number 10-4003. Eaton: Detroit Locker: truetrac posi PowerTrax Posi; Eaton Posi; Yukon: GM 12 bolt, 10 bolt, Dana 44 and Ford 9 inch posi Rear End Covers: TA Performance; Kentrol Inc: Jeep uses the Dana 44 thus differential covers for the Jeep are good for other Dana 44s. After driving the car for 10 miles the differential started to make noise. Ford Part Number: C8A219B546A GM Part Number: 1052358-IMPORTANT APPLICATION NOTE- Is your stock rear end leaving you stuck in the lurch? Then you need to upgrade to a Eaton 8. Only needed in vehicles with friction clutch type posi units. Satisfies performance requirements of GM 1052358, Ford M2C118-A, 19B546-MA, Chrysler 4318060 and most imports. It has been hot tanked, shot blasted and visually checked and is clean and ready to build, (we also offer those You can use any brand you want that meets vehicle specification. G7103 - GM Posi Differential Fluid Additive - Friction Modifier Original GM limited slip differential lubricant additive specially formulated for use with limited slip or positraction rear axles. 99 Bolt-In 1935-40 Ford Triangulated Four-Bar Rear Suspension Kit. When you hear “I have a posi rear end  Whether you are installing new rear end gears, changing differential gaskets, or replacing your differential fluid, this Royal Purple max gear oil and friction  31 Mar 2016 Rear end differential service by Pro Gear. Usually comes in a 4 ounce squeeze bottle. After a trip to the blaster, and some rattle-can paint, it's just begging to be refilled. Our friends at Ford say to use a 75W-140 gear oil. Since you have already ASV Posi Track Dumper Trucks are extremely complicated pieces of equipment and have multiple lubrication needs. Get yours online today and pick up in store. The dustless blasting, primer, and re-paint went better than expected and the differential is really, really beautiful. Remove the brake caliper and support it. My differential guy likes the stuff as well and I've reused bearings a couple of times between gear changes. Designed using state-of-the-art technology and with customers in mind. 42 - GU6. It provides 2 to 4 micron penetration into the surface, therefore lessening heat and friction and quieting rear differential noise where applicable. 0 Mustang Forums (1979 – 1995) > 5. If the gear oil runs low or becomes excessively dirty, it can cause the gears to whine or howl as they turn. I greatly appreciate any of your expertise. View Details Differential. corvetteforum. 31 Mar 2015 Unlike transmission building, rebuilding a rear end is basic nuts and bolts A bad wheel bearing will send a lot of metal shavings through the gear oil. It has a film strength second to none. (1) Position vehicle on a hoist with engine off and the transmission selector lever in park if automatic or in low gear if manual. differential fluid requirements. 875 after market set. Change mine every 100,000 Km's. Just be sure to buy gear lube with "posi additive" OR use a small tube/bottle you can buy at the parts store (Trans-X or similar). The True Trac has a lock up of 70% to 75%. 8" Rear Differential Fluid & Seal Kit (86-04) #LRS-F8804K. What gear oil weight should I use? The Eaton Posi FAQ’s. There are several types of clutch service kits in varying friction material style and number of plates. I did not add any limited slip additive either. Trac-Loc differentials replace your OE units with strength and value. My buddies Chevy Duramax 2500 truck must use synthetic. Richmond GL-5 High Performance Petroleum Gear Oil is engineered for use in high performance racing differentials and posi-traction units. 5" Posi Traction Clutch Rebuild Kits : $199. I usually get my gear lube at any good auto store. I put 1oz of Oil Stop Leak in and after driving about 120 miles, I noticed the leak was gone. 06 quart) bottles of Currie 85-140 weight GL-6 Racing Gear Oil; 9-inch third member gasket; Set of 10 nylock nuts and aluminum crush washers. Ford 9 Inch Rear End; Fabricated 9 Nov 06, 2017 · Contacted the dealer and my drivetrain warranty ran out on 10-29-17. PRODUCTS. To avoid differential clutch chatter (noise) and for optimum performance, use the oil and additive described above. They call it an "OPEN rear end"A lotttt of people get limited & open, confused as being the same Ron. 12 Bolt Posi Rear ends have clutches in them. Have you had a professional rear end guy check it out? Share this post A locking differential is a completely different animal. So limited slip is just a loose term. Page 1 of 3 1 2 3 Next > CRC Posi-Trac Limited Slip Gear Oil Additive is designed to quiet chattering differentials and improve gear oil performance; Quiets noisy gears, mixes with any gear oil, inhibits foaming and raises gear oil to GL-5; For use in all domestic and foreign cars and trucks; For axles equipped with limited slip, posi-traction or traction equalizers Aug 07, 2006 · Hey guys , was wondering what posi rear end fluid you guys had the best luck with. Eaton Posi: What kind of oil should I use? Can I use synthetics? Do I need a friction additive/modifier? Eaton Posi units perform best when using GL4 (or better) mineral/petroleum based gear oil. From 1985-1987, a 2. without a problem. Price: $74. Since the original rear was a 3. 6 V8: 2005 - 2009 Specific Tech: 3: Sep 4, 2014: 8: Who makes the best rear end gears? Fox 5. 25" Rear Differential Service: Fluid Change  12 Aug 2015 of gear oil for a Yukon Dura Grip Limited Slip Differential (Positraction). I bought a limited slip differential additive (please see it on the picture). Differential motion forces the interleaved discs to move through the fluid against each other. Jump to Latest Follow 1 - 20 of 22 Posts. For example, compare a 1996 Ford F-250 Crew Cab to the 2017 version. 42 gears from a 1988-98 Chevrolet truck — this truck has a 5. Good luck! Tiger’s High Performance Gear Oil is a heavy-duty, extreme pressure gear lubricant compounded in a fully synthetic base. remove them, then using a long punch or screwdriver go under the car and pass the drift theough one of the holes in the backingplate Limited Slip Differential (also referred to as “posi” and LSD): Limited-slip differentials use the same spider-gear arrangement as an open carrier, but add a clutch pack, worm-gear arrangement or tapered cone setup to feed some power to the wheel with the least traction, regardless of road conditions. I took it upon myself to add LS fluid and the noise stopped instantly! 12-Bolt Built to Order Rear End Package Complete 12 Bolt Built to Order Rear End Packages. oil to use. 8; limited slip differential (Posi); 6 Lug Wheel Studs (Only 1 Remaining) Mar 31, 2015 · While this article focuses specifically on the GM 8. This crap we have in the present day all the way back to the late 80's are Gov locks and have clutch plates and are in NO WAY LOCKERS so don't get them confused. GM Differential Identification & Specs. 73 G-80 locker, Z85 suspension, Z82 tow pkg, mag-hytec trans & diff cover, Diablo tuned, Corvette servo, 4th hold billet servo, Corsa exhaust, GMPP CAI, 2500 cluster with trans temp gage, Firestone airbags with on-board pump, Bilstein shocks, Power slot front rotors, Hellwig rear anti-swaybar, Energy Suspension front swaybar bushings. 1-bottle good for 1-differential. Use of other additive and oil types may cause differential clutch chatter. Part number OILADD or 43161. 3 oz. Lock type truck posi units that use metal friction plates. Compliments of Vet @ www. Use a clean rag to wipe the cover off and clean up the puddled up gear oil in the bottom of the differential. using a rear differential that held 3. Red Line has a 75W90 synthetic gear oil which already has a LSD friction modifier in it. 5" coporate rear axles. think of a real car with a posi - as long as they are going straight, they are fine, but they really don' turn well. CONVERTING NON POSI REAR END TO POSI ‘55 – ‘64 Chevrolet passenger car and ’56 – ’62 Corvette By Tom Parsons This article will be specifically directed at converting the 55-64 Chevrolet full size pass car and 56-62 Corvette NON-positraction rear end to positraction using an Eaton aftermarket posi unit. The original was made from sperm whale oil. 1986 -2004 Mustang V8 Yukon Gear Duragrip Posi Rear Differential  I put this on a rear differential in my 2007 Cadillac CTS as I was changing the oil. Find ACDelco Limited Slip Lubricant Additive 88900330 RANDYS stocks top quality gear oil from Red Line and Penzoil for standard differentials and Yukon Friction Modifier (posi additive) for your limited slip differential. I have 31 Spline Superior Axles T/A Girdle ARP Bearing Cap Stud Kit ARP Ring/Pinion Bolts FRP 410 Gears I'm unsure what diff unit to purchase. Jan 17, 2010 · An additive is in the differential oil to allow the clutch pack function in an oil soaked world. As far as diff oil is concerned - it is 50,000, or 50K weight diff oil. Hopefully pick up a little better fuel economy. 10 (open) 8. Can't comment on the stuff w/posi-additive already in it. Find answers to common questions about the Eaton Posi differential here. Check and see if the leak you found is the rear end gasket and not the rear pinion seal (at the driveshaft). So I always run a good conventional oil. Then toss a bottle of the posi additive in there. 3 Qt. Apr 04, 2006 · The Valvoline gear oil is just fine, I would add a bottle of posi traction additive after ya drain it down to the proper level, not sure where ya fill plug is at,but in most cases you should fill till it trickles out the fill hole, My books show 3. 25 rear end. 8in 31 Spline Limited Slip Differential from AmericanMuscle. Rear Ends. com ✓ FREE  Put together a posi rear for my old Camaro and used a bottle of aftermarket additive. quieter operation; Extends clutch life; Add to 9-Plus Racing Gear Oil ; 4 ounce bottle Ford 9 Inch Posi Differential 3rd Member, 28 Spl, 3. The XJ-S has apparently been fitted with at least three different differentials ("final drive units" for you Brits). 8 - Duration: 2:18. It acts like a Posi-Traction rear end! I have better launches and I can get into the throttle earlier coming out of a curve. Jan 05, 2008 · What are the pros and Cons of A POSI rear end. To understand how the differential affects handling, we need to review how the Corvette Positrac differential works. PROS: It conforms to the latest standards of resource-saving oils according to API, ACEA, and ILSAC classifications. As for checking the fluid, you may have to do some wire-brushing, but check the side of the differential and you'll find either a plug with a 3/8" square hole which the end of your ratched (or extension) will fit in or one with a solid square stud. * Put the third member back in place and fill with oil. 00 Currie Enterprises 9 in. If it doesn't turn than you have an open rear not posi. This kit is designed for 9-inch rearends that do not have a drain plug and require the third member be removed to service the oil. Which, if it happens to you, might be a “posi-tively” perfect time for an upgrade. The oil from the rear differential showed an increased/severe TBN. Parts are just part of what we do. My dealer figured my car would have the 75W-140 synthetic and did not recommend replacing it. Has been drained of fluid and inspected for damage, looks to have recent axle shafts installed, may have been rebuilt, non factory 4. So this is where the swap comes in. 5", as found in the Chevy Vega, up to the larger GM 11. The goal here is to remove the carriers from both rear ends, swap the ring gears, and then put the posi carrier into the 3. I good rule of thumb is to open the fill first, that way if for some reason you drain and cant get the fill open you aren't out of luck. When we took the cover off the 12 bolt posi everything looked OK, so I just changed the oil and put in the 3 oz bottle of additive. For the Rear End The Detroit True Trac is the best all around unit. 5″ 10-bolt rear differential, the parts and processes described herein cover most differential housings. 5 Ring 4. Eaton Posi units come equipped with 400lbs of preload. 88900402 -Gm/Ac Delco Auto Trak Ii Automatic Transfer Case Fluid - 33. 00 : GBG-PRE-A18-REGC Grand National Rear End Girdle Cover (ta1807) $179. All new bushings, brake lines, wheel cylinders, and shocks. By the way, friction modifier will also slightly increase the TBR of the Torsen. There is also a pinion oil seal at the front end of the differential casing. 01mph 1. We have a large collection of parts for any repair. First time poster :) I just got a 3. When I changed the fluid in mine it took 3 quarts to fill it up. Find Summit Racing® Ford 9 in. 73 gears. AMSOIL Slip Lock® Differential Additive (ADA) is formulated with advanced friction modifiers and is designed to eliminate gear-housing chatter in cars, trucks and SUVs equipped with clutch-type limited-slip differentials. Using a gasket scraper or screwdriver scrape away the old gasket from around the differential cover and the differential case. A. Discussion in ' Transmission & Driveline Topics ' started by buildinmy73 , Jan 5, 2008 . 18 Rotors, No Active Brake Control Or Rear; Rear; 4WD; Gear Ratio 3. 80W90 conventional gear Oil W/ Posi additive. I'll be replacing the original set with an Eaton posi and 3. -3 Qt. These items include; Axles, Bearings, Cases, Mini-Spools, Pinion Supports and Spools. Jan 15, 2004 · If you get the big-mouth quart bottles, this pump will also fit on those as well. 80W90 gear oil with GM or Ford additive will work fine. In some viscous couplings when speed is maintained the fluid will accumulate heat due to friction. $909. The level should be at or slightly below the hole. You won't even notice the unit working until you cross the bad spot in your path and realize the ease in which you passed through it. also do i have to specifically use the gm posi additive, or would any brand posi additive (say from pep boys) do? searched around the c3vr forums, but have not really found the specifics im looking for. 23 Posi G80 Locking 5 Lug COMES WITH LIMITED SLIP FLUID!!! 1 product rating - For Pontiac Firebird 1969-1971 1958-1970 Chevy Rear Differential code Identification Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy. Moser Engineering manufactured items can be used with any mineral or synthetic based oils, we do recommend a GL-5 or higher rating. Reduces hypoid gear noise and clutch chatter Promotes smoother, quieter operation TRANS-X POSI-TRAC Limited Slip Gear Oil Additive is designed to quiet chattering differentials and improve gear oil performance. Torco Limited Slip Friction Modifier is the perfect lube additive for Currie differentials. Jan 15, 2008 · Go to the dealer and purchase the synthetic rear axle fluid part # 12378261 plus a bottle of limited slip additive part# 1052358 The rear axle takes almost 2 quarts of fluid. Nov 15, 2012 · When is the last time that the rear end fluid was changed as well as having more posi-trac additive added. 00 rear end. The clutches require a "sticky" oil. 00 AFE 46-70022 AFE Power Rear Differential Cover 94-19 Ford F-250 / F-350 $ 351. 95 : 7. Most of them do level 1 Newer limited slips are not the same as the old 12 bolt posi. Either way, by abruptly alerted, we mean that a strange noise is now Oct 30, 2009 · Hello All. S. OIL will all be the  7 Jan 2016 Modern vehicles use a variety of fluids for the lubrication of their numerous mechanical components. Is a limited slip posi with 4. Installed 'Castrol 80W-90 (GL-5)', works great now. Dec 3, 2011 This rebuild was performed on a 2006 F150 Crew Cab 4×4 with a 9. Dad had some small bottles of GM posi rear end additive. Before I add the rear end additive, I fill up the rear end a little, take off the pump and squeeze the additive into the bottle. This Yukon Gear Duragrip Posi Rear Differential is designed to boost traction, so you can deal with mud, sand and snow better than ever. * Remove the side gears, spider gears, and the thrust washers that are on these gears. 8" 9. The thrust washers are re-used. 1962-1979 Nova Rear End Positraction Additive Fluid Product May Vary From Above Listed Image This is a bottle of special AC Delco positraction rear end additive fluid. This heat will cause the fluid to expand, and expand the coupler causing the discs to be pulled together resulting in a non-viscous plate to plate You will hear it when you either switch from park to drive, or drive to reverse. Set up for quad shocks and will come with slapper bars and hardware and brake drums. We offer a variety of 12 Bolt Posi Rear End for your automotive needs. 8 Oz - 114 ml. I was told that Shell Rotella 80w140 is what to try jackin up one wheel and spinning it, if it wont spin u got posi( spin it at least a little while). All Moser 12 Bolt Housings are designed and manufactured in the U. 50x15 on outlaw rims. I chose it for the longer interval between changes. No products in the cart. This is a genuine AAM Posi Trac differntial for the Ford 10. 95 The "Limited Slip" or "posi" rears used on f-bodies used what is called the "Seperated Cone Slip Resistant Differential". Jul 24, 2011 · It is helpful to leave one in the top so the cover does not come off until the very end, after the lube has drained. Music by Jason Shaw @ audionautix. Page 1 of 2 1 2 Next > rizej Well-Known Member. I have the stock 30,000 in the front. As far as the posi additive, after having my rear end rebuilt with Eaton posi, etc, mine begins to moan after about 10k miles. 25" and and afterwards were 8. The certification plate can be located on the lock face of the left door edge. It must have come from the LS additive. Ive been told that I should use either a Hypoid W80/90 or W85/140. 5″ Rear-end using a used set of 3. RICHGL5 Application Notes. Our 4-pin limited slip units are new, not remanufactured, with more strength than your stock piece. Your 2007 to 2018 Chevy Silverado was built to survive all kinds of conditions, and make it through rugged terrain. Depending on whether or not it is a limited slip or full posi-trac will determine if you need the posi-additive. This type of differential is commonly referred to as a posi or posi-trac differential. Menu. The one at 3 is the fill, the one at 6 is the drain. It will be facing the motor. 1996 - 2004 SN95 1999 Suburban rear end assembly, 10 bolt,G80 posi,GT4 3:73:1 gears- good posi and gears in it plus axles and backing plates-has 292k-everything in good condition,missing the housing -vehicle was a 1500,2wd with 5 studs- The rear differential of my 2011 Ford Escape was leaking before and after I changed the gear oil, replaced the gasket, and reopened the vent. Royal Purple Max-Gear Gear Oil & Friction Modifier Kit - 75w-90 1994-04 Mustang Rear End Make the installation of your new Posi-Traction Third Member a breeze! We've packed together some of the most commonly needed items to ease your installation with one click! Kit Includes: 919-0916 Speedway 3rd Member Mounting Hardware for 8/9 Inch Rearends Used to attach the 3rd member (pumpkin) to the rearend housing Works with Ford 8" and 9" rear axles Includes aluminum washers 919-2300 This video documents the installation of an Eaton Detroit Truetrac Limited Slip/Posi Unit into a 1987 Chevrolet C-10 truck with a 10 bolt 8. With 145K miles I think that its well beyond time to drain and change the differential lube, but have been getting conflicting information from truck shop experts regarding what lube to use (i. Labor costs are estimated between $26 and $34 while parts are priced between $32 and $72. BMW Rear Differential Gear Oil BMW rear differentials are either open without a limited-slip feature or with limited-slip (posi-traction). Shop for K&W Posi-Trac Oil Additive 7oz with confidence at AutoZone. But as even the most recently produced Detroit Truetrac - Helical-gear limited-slip (worm differential) is the modern replacement for the classic clutch-type posi. Differential Gear Lube We offer the GM petroleum based gear lube, which is specified by Eaton for use with their carbon fiber clutch pack. All GM 10 and 12 bolt rears take 3 23 ounce bottles of of this oil. It will meet your needs and deliver great quality at an affordable cost. Nothing wrong, just preventative maintenance since I have no idea when it was done last. But one can add their own as well if it needs more. 6 differential is known to fail even on stock power levels. 0 Mustang Tech: 17: Jun 5, 2004: Changing Trans Fulid, what about Rear End fluid? 1994 - 1995 Specific Tech: 4: May 21, 2004: S: Changing Rear-end Fluid. I was going to use 85W-90W, is that ok or should I look for a lubricants specifically for positraction?:confused: If the rear is a posi check this: 1) Look for a large "P" on the drivers side of the jackpot case on the rear. For a differential oil change you need to have 14L on hand. The whining or howling is caused by lack of lubrication and may increase in volume as vehicle speed increases. Jul 04, 2013 · Looking to change rear axle fluid this holiday weekend. e. This device is a clutch free, smooth operating unit. 5-inch rear into a pile of The axle shafts are also held in place by four-bolt retainer plates at the  11 May 2011 POSI or NON posi all mineral base oil is fine. 1998-2002 Requires customer's caliper mounts & backing plates Must be sent-in to assemble rear end. I just got my differential housing back from paint. One of the most important maintenance tasks to be performed on the 10-bolt is to change the gear oil. 1; 2 dptuner, pmt1, jw vb, Swamps ab inj, Adrenaline oil, Coolingmist, 180*T, Trucool cooler, spin on Chevy 1500 differential 1999-2004 4. For rear ends the oil used can be either synthetic, conventional, or blend. Also if you have a posi-trac rear end you will need to put in a Posi additive. Locking the rear diff, IMO, isn't a good idea. This product is made of high-quality components to meet and exceed strict quality requirements. 6L Mustang Tech: 10: Sep 3, 2004: Changing rear diff fluid? Fox 5. regular versus sy Those of you with rear end experience please chime in. * Remove the third member from the differential carrier. QUESTION: I own a 1979 Corvette automatic transmission posi-traction rear end. 73 ratios. Depending on your oil, it may or may not be needed. 88:1 DANA unit was used. If you don't Jul 13, 2012 · The thinner stuff will free up a few extra HP over the thicker viscosities and it has a friction modifier in it for sure-grip/posi rear ends. 625. Motive Gear is a proud partner of top racing teams, manufacturing driveline products capable of withstanding extreme horsepower applications, even when operating in Aug 08, 2013 · I'm going to get my 2006 Mustang's differential fluid changed this weekend so I bought a little bottle of friction modifier from Ford, but I'm trying to understand what it actually does. Since I spent $2k on this rear end and a little paranoid of doing damage, I'd really appreciate some advice on what others would use. They can be increased to 800lbs, or even decreased to 300lbs or 200lbs to tune the handling characteristics of the differential to your vehicle. East Coast Gear Supply. Under normal light throttle driving conditions, a Truetrac operates much like a standard open differential, allowing the rear wheels to rotate at slightly different speeds for smooth cornering. of fluid above factory but i didnt add any extra limited slip additive due to the fact i was in the 2 to 5% range near the high end at 4 % ratio. I have heard both good and bad on synthetic oil in a rear end. For perfect traction, use Red Line 75W90NS and add the Red Line Limited-Slip Differential Friction-Modifier / Break-In Additive until the chatter disappears. Oct 31, 2019 · The best response I can give to you is to get several different weights of oil and try it out. This can be used as a low cost alternative to the 3 pinion posi found in the 1999 and newer Ford F250’s and F350’s. 3 Channel ABS Reluctor ring is located on differential Special Strange ABS sensor included. Cause This condition may be caused by slip/stick of the posi-traction clutch plates due to insufficient limited-slip axle additive. The Eaton Posi limited-slip differential prevents wheel slip before it can get started. A limited-slip differential will prevent the tire with less traction from separately spinning. From 1968 to 1970, rear axles were 8. When torque input increases, clamping load on the clutch packs increases. 25 Gear Ratio. Correction Important: DO NOT remove the differential cover from the rear or the two sides. The perfect amount to get your rear end filled back up while virtually eliminating gear and bearing wear, reducing temperatures, and giving your Fox Body a smoother operating differential. Mon-Fri 8AM to 6PM EST After the initial break in period (~500 miles) change the differential oil. Available for Ford 9" rear ends, this nodular steel casting is totally rebuildable, includes nickel steel side gears and pinion gears, and Posi traction additive must still be used in addition to this oil. 73 r/p. 6” 10-bolt is still used in most GM trucks), these housings are the most common on the road, especially for trucks. Once all the fluid drains out remove the rest of the differential cover bolts and the cover. You should also check to see if the rear carrier is posi or open-style, the  Posi Differential; 1971-89 GM Car/Truck Rear; 1977-91 GM Tuck Front; 28-Spline Axles; 8. (SWEET!!!). 0L Tech > What fluid capacity is the 8. I am a basher and love 100,000 weight in the rear differential. With the MagHytec differential cover my differential gear oil capacity is now at 100 oz. View Details. (Note: Redline’s 75W90 doesn’t require the GM modifier, they claim. Improve Traction. Didn't do the job, when hot the clutches grabbed on corners, not good. The average cost for an Isuzu Trooper differential fluid replacement - rear is between $58 and $106. 11 (open) Jan 24, 2019 · Product Description TRANS-X POSI-TRAC Limited Slip Gear Oil Additive is designed to quiet chattering differentials and improve gear oil performance. May 18, 2016 · Eaton recommends GM Dexron LS or Castrol Carbon Mod SAF (Synthetic. A Limited Slip Differential (LSD) sometimes referred to as a "Posi" will allow both rear wheels to put the power down on the pavement giving you better traction and more impressive burnouts. 6 ring gear Our Price: $1,408. These 2 links are the 2 oils that AMSOIL has for the rear diff that is GL5 rated. using Moser Engineering owned Casting Boxes. 4 Channel ABS Reluctor rings are located on axles OEM rings must be sent-in for assembly Rings are also available for purchase Classic Industries offers a wide selection of 1964 Chevrolet Impala parts, including 1964 Chevrolet Impala interior parts and soft trim, 1964 Chevrolet Impala exterior sheet metal, 1964 Chevrolet Impala moldings, 1964 Chevrolet Impala emblems, 1964 Chevrolet Impala weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. Mar 25, 2007 · Best Rear End Gears For 4. of additive will treat 1 quart of oil). A limited slip rear uses a special additive to the gear oil when you do a gear-oil change,  20 Oct 2015 How to Identify and Reduce Positraction Chatter | Differential Tech Tips Ford 8. Including 88900330 - GM/AC Delco Limited Slip (Posi-traction) Axle Lubricant limiting excessive clutch plate friction for reduced chatter and rear end noise. Jeep Wrangler 2005, SAE 75W-140 Synthetic API GL 5 Limited Slip Differential Fluid by Mobil 1®. How to Change Rear Differential Fluid Dealer will charge about $200 to do front and rear diff, and transfer case. 99. Mar 30, 2018 · I want to say something like 75W-90 is the correct grade, but I run 75W-140 for no good reason at all (I used to run straight 50W oil too). much more to do!!:doh: any 80w90 gear oil is fine, valvoline is usually One of the symptoms most commonly associated with bad or failing differential or gear oil is a noisy transmission or differential. 1968 MGC Differential Oil Change, Front Oil Aug 12, 2015 · Advice on selecting the right type of gear oil for a Yukon Dura Grip Limited Slip Differential (Positraction). The most common gears found in Skylark/GS cars are 2. Chevy 2500 p/u differential 2001-2007 Full-Float 11. No matter what you're driving, we have the right 12 Bolt Posi Rear End for your vehicle Jan 13, 2011 · Swapping the rear end for another used one is an option, and most of us have swapped the centersection of our 8 3/4 to gain more optimal gearing as well. The posi will grab better but make lots of noise and possibly not last as long. The best oil we have ever tested is Royal Purple. As you loosen the lower bolts, it will begin to leak fluid. The 8. Oil leaking here runs down the slope of the carrier and drips off the bottom: look carefully. Penzoil 80W90 conventi Description GM limited slip additive is formulated for use in limited slip, posi-traction rear axles, limiting excessive clutch plate friction for reduced chatter and rear end noise. I installed a MagHytec differential cover that added 24 more oz. Jun 10, 2020 · This rear differential fluid completely eliminates any moaning sound that often occurs at cold or when starting a turn: using Honda 08200-9003 differential fluid, the sound stops at once. So I now change my fluid and add 2 tubes of posi additive. You can get it at Oreillys or AutoZone. I purchased my rear from Tom's Differential's and he recomends never to use synthetic oil but must use posi lube. , 1/4" wall), custom alloy axles (30, 33, or 35 spline 12 Bolt Posi Rear End. 13 Mar 2018 If sticky tires are used, you'll quickly turn the 7. I use this pump for gear oil, tranny fluid, etc. Turn any wheel the other wheel should turn as well. 10 gear set . What kind of oil should I use in my Posi? Can I use synthetic oil? Do I  25 Nov 2012 it is most likely a limited slip (posi traction) rear end. 745 60ft Mods - DC sports strut tower bar - hid fogs - Billet Oil Catch-Can - Diablo Predator - Airhammer - Corsa cat-back - Inertia heads (big valve job), Inertia SRTMAX Hell cam, Inertia ported Intake manifold, Inertia CMR tune, Kooks longtubes (PM-FL coated), 1000hp shafts, Edge 3000k stall converter Most Skylark/GS cars from 1968-72 have open (non-posi) rear axles. From 1976-1985, the differential was a Salisbury 4HU Powr-Lok that came with either 3. 75 quarts of gear lube. One great benefit of A big GM wagon definetly came with an 8. 3L (325ci) V-8 engine and a 4l80e transmission. Wanted to know whats recommended. After the lower bolts are out, you can lift, or gently pry the cover away from the housing, and the rest of the fluid will drain out. 5'' Diameter Ring Gear; Fits 2. Limited slip means it is not a full true locked posi rear end. CRC Posi-Trac Limited Slip Gear Oil Additive is designed to quiet chattering differentials and improve gear oil performance Quiets noisy gears, mixes with any g. The noise started after I changed the oil in the rear end. Warranty Jun 13, 2010 · Use any non-synthetic you want, in an 80w90. no, a posi rear end would not be good on asphalt. Not needed in Gov. posi rear end fluid

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