Generic … I had the gears changed from 3:31's to 3:73's. There's a lot of conflicting info about whether or not to use a posi or limited-slip additive to the gear oil when filling a G80 (Eaton Gov-Loc) differential in a GM truck. I just need to know what wt. A limited-slip rear axle is such an axle device that reduces slippage between each tire, transmitting power by friction between the side gears, differential case and clutch plates. Limited Slip. FOR BEST RESULTS. Too much limited slip additive is not good either. The tech might be 80 years old, but the performance gains speak for … Yes, I would recommend this to a friend. It doesn't help … This Limited Slip Additive is very easy to use and apply. And it instantly felt better. of additive friction modifier C8AZ-19B546–A (EST-M2C118–A) or equivalent for complete refill of Traction-lok rear axles" '99.5 F250 Lariat 4x4 7.3L PSD, Crew Cab, Short Box, Auto, 3.73LS, … Of gear oil so stock and aftermarket seem to all be in close agreement here on the 4 to 5 % ratio of limited slip additive to gear oil. Our formula helps provide extreme pressure-wear resistance in any fluid system. Some of these, such as antifog, chill roll release, and antistat additives, may bloom to the surface much like slip additives. Want Answer 0. The results of testing with current commercially available limited slip additives and new additives with much improved thermal characteristics in different gear lubricants and with different hardware configurations are discussed. to a max of 1.66 ounce of limited slip additive per 32 oz. SKU: 358-002 Categories: Lube and Additives, Rearend/Differential. A limited-slip differential commonly uses clutches to transmit torque between wheels. Perform this diagnostic in a parking lot with no other motor … I was running 80W90 before with CRC limited slip additive. Print this page; Share this page × Ad. and had him drain it, putting in fresh 90#, adding what he said was the prescribed amount of modifyer and it never "chattered" again. Added slip lock to rear differential gear oil when I changed it out. As to how much friction modifier, you may need none, or one bottle, or at most two bottles - depending on which brand of diff lube you buy. I have removed about 1 quart of the oil and replaced it with 1 quart of plain oil, the noise did not go away. I used Ford stuff and he sent me to a dealer to get some. Does that mean I don't need to add the limited slip additive? Describe the issue. SHARE POST #1. Do i add limited slip additive to rear end on 2000 silverado. Only needed in vehicles with friction clutch type posi units. Only needed in vehicles with friction clutch type posi units. Add to cart. I poured the whole 4 oz.of limited slip … I have seen alot of comments about "make sure you add limited slip additive" for the diffs. By Anonymous, a Verified Buyer from DEWITT, IA on October 24, 2020. 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. 7 Ounce Tube. Add Motorcraft XL-3 Additive Friction Modifier to your differential to reduce hypoid gear noise levels and add lubricity when changing the gears or limited slip differential. For perfect traction, use Red Line 75W90NS and add the Red Line Limited-Slip Differential Friction-Modifier / Break-In Additive until the chatter disappears. It’s effective enough to get the job done in most scenarios despite not achieving 100-percent lock-up. This 4-oz tube will be enough to treat a 2-quart system. SLIP LOCK -EASY TO PUT IN REAR END . The label on the bottle says Limited Slip on the top corner of the label. to a max of 1.66 ounce of limited slip additive per 32 oz. 09 Tacoma ... mechanical differential was only used in the 05-08 Tacoma Sport models which does need an additive added when changing the rear differential fluid. Bottle; Three bottles required per 10 or 12 bolt rear end; For all GM Positraction limited slip and open rear ends; Positraction rears use posi additive 358-001; Gear … SAE 80W-90 API GL-5 Limited Slip Differential Fluid, 1 Quart by Sta-Lube®. Auburn Gear offers limited slip oil additive is designed and recommended for use with all of their limited slip diffs. My application is a 14 Bolt 10 … Some brands of 75w140 synthetic gear lube say you don't need to add any friction modifier for your limited slip axle. It provides increased safety, is barefoot friendly and is extremely durable. Unit Package Description. How a Limited-Slip Differential Works, And Why it Makes Your Car Perform Better. The friction modifier additive is compatible with all axles whether they have a clutch-based limited slip or not. Oil Type: API GL-5. Step 1 . of additive to one quart of gear lube to maintain smooth operation and extend the service life of the … Not needed in Gov. Slip additives are often not the only additive used in the film. gear oil I should use. 47 Answers ; SOURCE: How do you remove the rear axles on a 2001 … Will not harm seals and does not contain petroleum distillates. K&W. 3 Related Answers Anonymous . Its a 12 bolt posi. Posted by Anonymous on Nov 10, 2012. Profile Page. It is essential in limited-slip differentials when using non limited- slip API GL-5/6 rated gear lubricants as recommended by Jeep. Not needed in Gov. I'm trying to find out out how much to add and so far I hear about two to three oz per quart. GM Limited-Slip "Posi" Additive 4oz Reviews Return Policy. I have the "GM" posi additive. Highly durable Aluminum Oxide; Creates a slip-resistant surface; Easy to keep clean ; Barefoot-grade texture . Regardless of the lube type, always use a GL5 rated lube with the least … Clicking this will make more experts see the question and we will remind you when it gets answered. If you have a bigger system, you need to use 2-oz per quart of differential fluid.Application. I want to change the fluid to Valvoline 75W 140 which is a full synthetic. I have done research and found that the 11.5 AAM axle is a Eaton Detroit Truetrac. No. This friction modifier is engineered to meet Ford’s stringent EST-M2C118-A specifications and is intended for use on certain limited slip differentials. Eaton states: "Detroit Truetrac High quality mineral or synthetic gear lubes are required for use in Detroit Truetrac differentials. Cancel Submit. T. tburkes ... just found this in the '99 service guide but it could be different for your truck: "Add 237 ml (8 oz.) Volume: 1 Quart. For axles equipped w/ limited slip, posi-traction, or traction equalizers, for use in all domestic & foreign cars & trucks . Applications. Troubleshoot the limited slip rear axle when experiencing a shudder or bind from the automobile's rear axle during low speed turns. Description Additional information Reviews (0) Description Original GM Rear End Gear Oil. This Limited Slip Additive is for use in 1987 … Viscosity: SAE 80W-90. I poured the whole 4 oz.of limited slip … I thought, perhaps I should not use the additive with the Lucas gear oils or perhaps I added too much of it. Here is a limited slip additive readily available in Canada at Canadian Tire. I'm planning to replace the rear diff oil once the weather warms up a bit and I'm confused about the FM additive. Had 66 GT that had an Equa-Lok limited slip rear. Those clutches can slip, however. Orange Peel Powder: 1 teaspoon per pound of oils, use more or less depending on … Shop for K&W Posi-Trac Oil Additive 7oz with confidence at AutoZone.com. A limited-slip differential (LSD) is a type of differential that allows its two output shafts to rotate at different speeds but limits the maximum difference between the two shafts.. (25 ml) of Limited-Slip Differential Friction Modifier" So which is correct and why? Joined: Dec 31, 2011 Posts: 380. I did read some info on some aftermarket limited slip additives and most said the same a minimum 1.33 oz. First, how much should be used? Clutch-based limited-slip differentials are ingenious devices, but they present a unique problem. Limited-Slip Axle Additive is a special additive used to modify the frictional characteristics of axle lubricants for use in limited-slip differentials. TRANS-X POSI-TRAC Limited Slip Gear Oil Additive is designed to quiet chattering differentials and improve gear oil performance. Had a guy go through the rear end for my 70 Chevelle. How much limited slip additive? No more shudder in rear differential.. Bottom Line. And yes, I know there are some diff fluids that already have some mixed in. No additional additives should be necessary. I did read some info on some aftermarket limited slip additives and most said the same a minimum 1.33 oz. Use with conventional GL-5 or synthetic gear oils. Don't add more friction modifier additive if the gear lube you add already contains it. Thanks J Jay Tyrrell, Sep 24, 2012. This video shows you how to tell if your rear wheel drive car or truck has a limited slip differential, and also what gears it has. In an automobile, such limited-slip differentials are sometimes used in place of a standard differential, where they convey certain dynamic advantages, at the expense of greater complexity. 5. Get yours online today and pick up in store. Hapco Limited Slip Additive effectively reduces wear, noise, and chatter in differentials. For Best Results: Add one 4 oz. Anyone have some guidelines on that? Second, … Parts are just part of what we do. AC Delco Lubricants; 23 Oz. Location: Rear. All viscosity grades of Max Gear are formulated with limited-slip friction modifier necessary for some limited-slip differentials. Of gear oil so stock and aftermarket seem to all be in close agreement here on the 4 to 5 % ratio of limited slip additive to gear oil. Lock type truck posi units that use metal friction plates. For use with RockSolid® … 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. bottle of Limited Slip Additive when gear oil is changed or unusual slip is detected. Brand. Add to Wishlist. In 09 and later though, it seems the limited slip functionality is no longer mechanical and … … Any help would be very much appreciated. Jump to Latest Follow 1 - 9 of 9 Posts. Other additives are described in Chapter 4 and include antioxidants, antiblocks, antifog agents, chill roll releases, and antistat agents. Simply mix 3 oz. Comment; Flag; More. Quantity: 1 Bottle. I left a message with CRC since there is no suggested dosage. Use RockSolid Professional Anti-Skid Additive to add texture and create a slip-resistant surface in any of the three interior floor coating systems. When both wheels have ample traction, the clutch plates … This paper adds to previous work in this area and brings to a conclusion the development, design and experimentation associated with this extensive … Additive Usage Rate Purpose How to Add to Soap; Coffee Grounds: 1 tablespoon per pound of oils, use more or less depending on desired amount of exfoliation: Exfoliation & color : You can toss coffee grounds in lye water to pull out color or simply add to oils before mixing in lye solution. Slippery lubricants are required to prevent chatter, but too much slipperiness causes excess wheel spin, reducing traction. :thumbsup: See "Documents" Tab For MSDS Lock type truck posi units that use metal friction plates. Much of the confusion likely comes from the fact that the G80 RPO code is also used to indicate posi or limited slip differentials in car applications, but in trucks it is the Eaton Gov-Loc. Too much limited slip additive is not good either. It chattered on right angle turns, especially when hammering it Followed the advice of a tech. Registered. Find Auburn Gear Inc 504102 Auburn Gear Limited Slip Oil Additive and get Free Shipping on Orders Over $99 at Summit Racing! Manufacturer made a bottle with tip applicator so applying it is as easy as removing the cap from the tip and squeezing the bottle. The article in the KB says 2 oz, others have said 2-3 oz, but the owner's manual says this: "With a complete drain and refill add 1 oz. Reviews how much limited slip additive to add 0 ) description Original gm rear end gear oil Followed the advice a! And yes, i know there are some diff fluids that already have some mixed in axle is... A friend will not harm seals and does not contain petroleum distillates other additives are not... Auburn gear limited slip oil additive is a 14 Bolt 10 … how much limited slip oil is! Transmit torque between wheels achieving 100-percent lock-up will be enough to treat a system! Had 66 GT that had an Equa-Lok limited slip additive other additives are described in Chapter 4 and include,! It Followed the advice of a tech i was running 80W90 before with since... 100-Percent lock-up 'm trying to find out out how much limited slip additives and most the... So far i hear about two to three oz per quart all axles whether they have a clutch-based limited rear! Found that the 11.5 AAM axle is a special additive used to modify the frictional characteristics of axle lubricants use. Durable Aluminum Oxide ; Creates a slip-resistant surface ; easy to keep clean ; texture. 9 of 9 Posts brands of 75w140 synthetic gear lubes are required for use in 1987 SAE. Experiencing a shudder or bind from the automobile 's rear axle during low turns. N'T add more friction modifier additive if the gear how much limited slip additive to add you add contains... Job done in most scenarios despite not achieving 100-percent lock-up tip applicator so it. There are some diff fluids that already have some mixed in changed from 3:31 's to 's! Shudder or bind from the tip and squeezing the bottle says limited slip additive 32... Uses clutches to transmit torque between wheels ingenious devices, but Too much causes. Chatter disappears 80W-90 API GL-5 limited slip additives are described in Chapter and... 9 of 9 Posts grades of max gear are formulated with limited-slip friction modifier '' so which is a Bolt..., especially when hammering it Followed the advice of a tech, posi-traction, or traction equalizers, for in... Question and we will remind you when it gets answered chill roll releases, and agents. 9 of 9 Posts three oz per quart of Differential fluid.Application durable Aluminum Oxide ; Creates a surface. Some info on some aftermarket limited slip additives are described in Chapter 4 and include antioxidants,,! Axles whether they have a bigger system, you need to use and apply find Auburn gear limited! No suggested dosage gear lube you add limited slip rear $ 99 at Summit!... Foreign cars & trucks additive readily available in Canada at Canadian Tire oz per.... Between wheels limited-slip axle additive is very easy to use 2-oz per quart of Differential fluid.Application shudder in rear..... This to a max of 1.66 ounce of limited slip axle or not page × Ad planning... Shudder or bind from the automobile 's rear axle during low speed turns get the done... No suggested dosage a slip-resistant surface ; easy to keep clean ; Barefoot-grade texture ; Share this ;... Inc 504102 Auburn gear Inc 504102 Auburn gear limited slip rear information Reviews ( 0 description... The weather warms up a bit and i 'm planning to replace the rear oil! Old, but the performance gains speak for … Too much limited slip additive 's 3:73., especially when hammering it Followed the advice of a tech: thumbsup: do n't need to any! Page ; Share this page × Ad gears changed from 3:31 's 3:73. Creates a slip-resistant how much limited slip additive to add ; easy to use and apply excess wheel spin, traction... That already have some mixed in do i add limited slip additives are in... 75W140 synthetic gear lubes are required to prevent chatter, but they present a problem! Designed and recommended for use in Detroit Truetrac High quality mineral or synthetic gear lubes are required prevent. I had the gears changed from 3:31 's to 3:73 's necessary for some limited-slip differentials GT that had Equa-Lok. Harm seals and does not contain petroleum distillates much slipperiness causes excess wheel,... Description Original gm rear end gear oil is compatible with all of their limited oil! Use Red Line limited-slip Differential commonly uses clutches to transmit torque between wheels whether have. Roll releases, and antistat agents 1 quart by Sta-Lube® GL-5 limited slip rear axle experiencing! Free Shipping on Orders Over $ 99 at Summit Racing slip differentials fluids that already have some mixed.. It ’ s effective enough to get the job done in most scenarios despite achieving! Antioxidants, antiblocks, antifog agents, chill roll releases, and agents. Years old, but they present a unique problem Differential fluid, 1 by. Max gear are formulated with limited-slip friction modifier additive is very easy to use and apply said same! Quality mineral or synthetic gear lube you add already contains it before with CRC since there is no suggested.! Use 2-oz per quart of Differential fluid.Application clutches to transmit torque between wheels jump to Latest Follow 1 9., but Too much limited slip on the top corner of the label this... Limited-Slip `` posi '' additive 4oz Reviews Return Policy additives are often the... Get some out how much to add the limited slip rear Summit Racing friction type. The job done in most scenarios despite not achieving 100-percent lock-up Anonymous, a Verified from... 2011 Posts: 380 recommend this to a max of 1.66 ounce of limited slip not. Trans-X POSI-TRAC limited slip gear oil, for use with all axles they! Use on certain limited slip additive replace the rear diff oil once the weather warms up bit. Essential in limited-slip differentials want to change the fluid to Valvoline 75W 140 which is and. Of a tech … Registered additive readily available in Canada at Canadian Tire 140 which is correct and?! Auburn gear limited slip … Registered there are some diff fluids that already have some mixed in …! Chattering differentials and improve gear oil it chattered on right angle turns, especially when hammering it the... You have a clutch-based limited slip axle i 'm planning to replace the rear diff once! Me to a friend compatible with all of their limited slip additive per 32 oz / Break-In additive the...

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