of additive to one quart of gear lube to maintain smooth operation and extend the service life of the … Find Auburn Gear Inc 504102 Auburn Gear Limited Slip Oil Additive and get Free Shipping on Orders Over $99 at Summit Racing! 5. 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. The tech might be 80 years old, but the performance gains speak for … Applications. Oil Type: API GL-5. K&W. It provides increased safety, is barefoot friendly and is extremely durable. I had the gears changed from 3:31's to 3:73's. I was running 80W90 before with CRC limited slip additive. Viscosity: SAE 80W-90. It doesn't help … T. tburkes ... just found this in the '99 service guide but it could be different for your truck: "Add 237 ml (8 oz.) I did read some info on some aftermarket limited slip additives and most said the same a minimum 1.33 oz. Anyone have some guidelines on that? Describe the issue. I want to change the fluid to Valvoline 75W 140 which is a full synthetic. Highly durable Aluminum Oxide; Creates a slip-resistant surface; Easy to keep clean ; Barefoot-grade texture . GM Limited-Slip "Posi" Additive 4oz Reviews Return Policy. Only needed in vehicles with friction clutch type posi units. It’s effective enough to get the job done in most scenarios despite not achieving 100-percent lock-up. It chattered on right angle turns, especially when hammering it Followed the advice of a tech. Profile Page. Do i add limited slip additive to rear end on 2000 silverado. Limited Slip. 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. Description Additional information Reviews (0) Description Original GM Rear End Gear Oil. to a max of 1.66 ounce of limited slip additive per 32 oz. I have the "GM" posi additive. Regardless of the lube type, always use a GL5 rated lube with the least … Registered. Here is a limited slip additive readily available in Canada at Canadian Tire. Will not harm seals and does not contain petroleum distillates. 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. Any help would be very much appreciated. bottle of Limited Slip Additive when gear oil is changed or unusual slip is detected. Slip additives are often not the only additive used in the film. Some brands of 75w140 synthetic gear lube say you don't need to add any friction modifier for your limited slip axle. Had a guy go through the rear end for my 70 Chevelle. I used Ford stuff and he sent me to a dealer to get some. 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. I have done research and found that the 11.5 AAM axle is a Eaton Detroit Truetrac. Auburn Gear offers limited slip oil additive is designed and recommended for use with all of their limited slip diffs. No more shudder in rear differential.. Bottom Line. Generic … SKU: 358-002 Categories: Lube and Additives, Rearend/Differential. Shop for K&W Posi-Trac Oil Additive 7oz with confidence at AutoZone.com. Jump to Latest Follow 1 - 9 of 9 Posts. Not needed in Gov. SAE 80W-90 API GL-5 Limited Slip Differential Fluid, 1 Quart by Sta-Lube®. I did read some info on some aftermarket limited slip additives and most said the same a minimum 1.33 oz. I have removed about 1 quart of the oil and replaced it with 1 quart of plain oil, the noise did not go away. Posted by Anonymous on Nov 10, 2012. This 4-oz tube will be enough to treat a 2-quart system. Too much limited slip additive is not good either. This paper adds to previous work in this area and brings to a conclusion the development, design and experimentation associated with this extensive … I poured the whole 4 oz.of limited slip … Don't add more friction modifier additive if the gear lube you add already contains it. Those clutches can slip, however. See "Documents" Tab For MSDS Limited-Slip Axle Additive is a special additive used to modify the frictional characteristics of axle lubricants for use in limited-slip differentials. 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. I have seen alot of comments about "make sure you add limited slip additive" for the diffs. Step 1 . :thumbsup: (25 ml) of Limited-Slip Differential Friction Modifier" So which is correct and why? And it instantly felt better. AC Delco Lubricants; 23 Oz. This Limited Slip Additive is very easy to use and apply. 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. Second, … Get yours online today and pick up in store. 3 Related Answers Anonymous . No additional additives should be necessary. If you have a bigger system, you need to use 2-oz per quart of differential fluid.Application. Cancel Submit. Clicking this will make more experts see the question and we will remind you when it gets answered. 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. How much limited slip additive? I'm planning to replace the rear diff oil once the weather warms up a bit and I'm confused about the FM additive. Unit Package Description. 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. Does that mean I don't need to add the limited slip additive? My application is a 14 Bolt 10 … Parts are just part of what we do. Not needed in Gov. 7 Ounce Tube. Quantity: 1 Bottle. For perfect traction, use Red Line 75W90NS and add the Red Line Limited-Slip Differential Friction-Modifier / Break-In Additive until the chatter disappears. FOR BEST RESULTS. Use with conventional GL-5 or synthetic gear oils. Slippery lubricants are required to prevent chatter, but too much slipperiness causes excess wheel spin, reducing traction. For use with RockSolid® … For Best Results: Add one 4 oz. Volume: 1 Quart. Joined: Dec 31, 2011 Posts: 380. For axles equipped w/ limited slip, posi-traction, or traction equalizers, for use in all domestic & foreign cars & trucks . Print this page; Share this page × Ad. 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. Comment; Flag; More. I thought, perhaps I should not use the additive with the Lucas gear oils or perhaps I added too much of it. Some of these, such as antifog, chill roll release, and antistat additives, may bloom to the surface much like slip additives. Manufacturer made a bottle with tip applicator so applying it is as easy as removing the cap from the tip and squeezing the bottle. gear oil I should use. Thanks J Jay Tyrrell, Sep 24, 2012. It is essential in limited-slip differentials when using non limited- slip API GL-5/6 rated gear lubricants as recommended by Jeep. Add to Wishlist. 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. All viscosity grades of Max Gear are formulated with limited-slip friction modifier necessary for some limited-slip differentials. 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, … The label on the bottle says Limited Slip on the top corner of the label. Clutch-based limited-slip differentials are ingenious devices, but they present a unique problem. Simply mix 3 oz. This friction modifier is engineered to meet Ford’s stringent EST-M2C118-A specifications and is intended for use on certain limited slip differentials. I just need to know what wt. 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. Troubleshoot the limited slip rear axle when experiencing a shudder or bind from the automobile's rear axle during low speed turns. And yes, I know there are some diff fluids that already have some mixed in. Perform this diagnostic in a parking lot with no other motor … Brand. Other additives are described in Chapter 4 and include antioxidants, antiblocks, antifog agents, chill roll releases, and antistat agents. … Had 66 GT that had an Equa-Lok limited slip rear. Its a 12 bolt posi. Too much limited slip additive is not good either. Hapco Limited Slip Additive effectively reduces wear, noise, and chatter in differentials. I'm trying to find out out how much to add and so far I hear about two to three oz per quart. I poured the whole 4 oz.of limited slip … TRANS-X POSI-TRAC Limited Slip Gear Oil Additive is designed to quiet chattering differentials and improve gear oil performance. Want Answer 0. Use RockSolid Professional Anti-Skid Additive to add texture and create a slip-resistant surface in any of the three interior floor coating systems. Add to cart. A limited-slip differential commonly uses clutches to transmit torque between wheels. 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. and had him drain it, putting in fresh 90#, adding what he said was the prescribed amount of modifyer and it never "chattered" again. In 09 and later though, it seems the limited slip functionality is no longer mechanical and … First, how much should be used? Only needed in vehicles with friction clutch type posi units. SHARE POST #1. 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. When both wheels have ample traction, the clutch plates … Added slip lock to rear differential gear oil when I changed it out. Our formula helps provide extreme pressure-wear resistance in any fluid system. 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. This Limited Slip Additive is for use in 1987 … No. By Anonymous, a Verified Buyer from DEWITT, IA on October 24, 2020. 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.. 47 Answers ; SOURCE: How do you remove the rear axles on a 2001 … to a max of 1.66 ounce of limited slip additive per 32 oz. Orange Peel Powder: 1 teaspoon per pound of oils, use more or less depending on … I left a message with CRC since there is no suggested dosage. Eaton states: "Detroit Truetrac High quality mineral or synthetic gear lubes are required for use in Detroit Truetrac differentials. 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. SLIP LOCK -EASY TO PUT IN REAR END . Lock type truck posi units that use metal friction plates. 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. 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 … Yes, I would recommend this to a friend. Location: Rear. Reducing traction: 380 i used Ford stuff and he sent me to a.! I have done research and found that the 11.5 AAM axle is a 14 Bolt 10 … much... The gears changed from 3:31 's to 3:73 's DEWITT, IA on October 24, 2012 friction! 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Bottom Line antioxidants,,... Frictional characteristics of axle lubricants for use on certain limited slip additive is designed to chattering. Remind you when it gets answered friction clutch type posi units that use friction.