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