I pump some gear oil into the diff from its 1litre container, then top up the gear oil container with this additive and pump the remainder into the diff. Best seller in automotive replacement differential assembly kits. Genuine gm fluid 88900330 limited slip axle lubricant. Oil additives, on the other hand, have a considerable influence on friction, again. Limitedslip differential friction modifier, 4 oz x 12 by ford performance. May 17, 2010 last week i got done reading a ton of posts on this site in regards to changing out the rear differential fluid. We have some profession confirmation of this but what we dont have is the knowledge of exactly which additives do that. Jul 26, 2008 hey, i just bought 3 bottles of royal purple differential oil, for my 2000 z28, and was about to buy some additive to go with it, but the guy at the store told me that royal purple already has an additive put in, so there is no need to add more. Gm general motors 88900330 limited slip positraction. Lubegard howto limited slip supplement differential.
It will meet your needs and deliver great quality at. Acdelco 104003 limited slip axle lubricant additive 4 oz. Dodge jeep limited slip additive friction modifier. The absolute best way to go, from a number of peoples recommendations, is to use straight up dino dinosaur or nonsynthethic in this case. My chevy 96 impala ss makes a loud noise that comes from the limited slip differential. How do i know if i have a limited slip differential.
The goal of the gear oil additive in limited slip differentials was to allow smooth cornering when the vehicle was being acceleratedwithout it, as medium to heavy power was applied with the right foot, the differential would lock up as designed but this could be annoying and dangerous in curves and cornersthe friction modifier. It is a clutch plate limited slip and for that reason needs a special oil or oil additive for limited slips. Full synthetic 80w140 heavy duty limited slip differential oil. Differential fluid, also referred to as differential oil or gear oil, provides the lubrication necessary to keep your differential functioning as it should. Sep 24, 2012 i am changing the diff fluid in my ford nine inch rear end. Over time many limited slip differentials develop clutch plate chatter due to degraded frictional properties of the differential fluid. Kendall limitedslip axle additive concentrate is a special additive used to modify the frictional characteristics of axle lubricants for use in limitedslip differentials. Gear lube 75w90 oil weight no limited slip additive. The powrlok was originally an oem limited slip but now it is only available aftermarket. Lucas oil gear lube limited slip additive free shipping. It helps to eliminate chatter in limitedslip differentials when added to nonlimitedslip api gl5 gear lubricants. Hitec 369 gear oil additive with hitec 397 limited slip additive provides. The rear axle should have the gear lubricant changed every 7,500 miles 12,000km.
My 2009 sr5 2wdv6 has 45,000 miles at this point and it still has the original gear oil. One thread suggested that it may hinder the limited slip ability of the diff and revert it to a normal one in terms of operation. In order to help select the oil for differential correctly, the best gear oils are gathered and presented on the list. Explore the mopar limited slip differential additive 4 oz. Limited slip differentials depend on the operation of preloaded clutch packs on each axle shaft. Slip lock is compatible with any brand of regular, syntheticblend and full synthetic gear lube. You can use synthetic in the gm auto locking diffs in fact the trucks come with it from the factory, but if you have limited slip like in the trailblazer ss or the corvette, gm uses dexron ls fluid. Sae 80w90 automotive gear oil specially formulated to satisfy the lubrication needs of most. Genuine mopar fluid 4318060ab limited slip additive 4 oz. Reason is the unit uses no clutches or friction disc of any sort. Bottle here, or find related products for your vehicle today.
Gear oil additive lubegard 4 oz bk 7652597 buy online. Order gear oil additives for your vehicle and pick it up in storemake your purchase, find a store near you, and get directions. They all perfectly fit differential, however, each one has its peculiarities, which should be considered. Will it hurt if you use a friction modifier in a non limited. Effective ep additives control gear tooth wear, even under high torque, low speed and shock loading. Limited slip differential friction modifier breakin additive can reduce breakin temps by as much as 50 degrees f 4 oz. The lsd is effective when load is applied to the differential applied throttle load, and is not effective. Friction modifier used with limited slip differential. Nulon limited slip differential oil provides superior protection against thermal degradation during high operating temperature, oil seal deterioration, and component wear. The royal purple and mobil1 prices are so close to the mopar price that there isnt any price advantage. Ford motorcraft oem xl3 friction modifier additive limited. Red line gear oils already contain this additive except the ns.
An oldschool viscosity that still outprotects the competition. When cornering, the inside tire turns slower than the outside tire. Feb 02, 2012 the good gear lube companies all add limited slip additive now because this product works in either type of rear end. The result is a gear oil that provides excellent low temperature fluidity for safe lubrication during very.
Do i need to add a limited slip additive to valvoline 75. How to troubleshoot a limited slip positraction diagnostic. Crown 4318060ab limited slip differential fluid friction. This product is inserted into limited slip differentials along with gear oil for added lubrication. Do i need to add a limited slip additive to valvoline 75 140. Get deals on automotive parts, truck parts and more. Details about ford motorcraft oem xl3 friction modifier additive limited slip differentials. Amsoil slip lock differential additive can be used in any limited slip or locking differential that requires a friction modifier added to the gear oil. This special type of oil with a high viscosity is designed to cope with extreme pressure and high temperatures and is thicker than engine oil.
Free, expert advice about red line limitedslip differential friction modifier breakin additive available. Here youll find our range of limited slip differential lubrication, most commonly 1 way lsd locks under acceleration, commonly in fwd vehicles, however you can have 2 way lsd locks under acceleration and deacceleration, and 3 way lsd almost always locked, very close to having a solid welded diff. Any differential that is running a positrac limited slip with steel clutches we would highly recommend using gm ac delco axle lube part number 89021672 and gm limited slip additive part number 992694. Nulon limited slip differential oil is modified with antifriction additive to reduce and even eliminate differential clutch chatter in vehicles fitted with a limited slip. Even the limited slip axles in newer dodges only require synthetic fluid. Lubegard limited slip supplement is specifically formulated for the clutches in limited slip differentials. Stalube sl2473 apigl5 plus new generation limited slip gear oil 1 gallon. There are three basic types of differentials open, limitedslip and locking. Lsds are popular due to their ability to send more torque to the wheel with the most grip similar to a locked diff while also. Amalie friction modifier additive limited slip differential 8. Designed using stateoftheart technology and with customers in mind. Step 1 troubleshoot the limited slip rear axle when experiencing a shudder or bind from the automobiles rear axle during low speed turns.
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. Only needed in vehicles with friction clutch type posi units. In this video we show you how to use our limited slip supplement with proprietary lxe liquid wax ester technology, and then well answer some of the most common questions about it. Acdelco 104003 limited slip axle lubricant additive. From what i can tell, limslip oil is designed for vehicles with limited slip differentials, and thus has extra additives over a normal hypoid gear oil. Limited slip differential noise maintenancerepairs car. Hypoid oils have additives to help them cope under extreme pressure, but as limited slip diffs still have hypoid gears in, i would assume limslip oil also has the same additives. The reason gm says dont add ls additive on a g80 is because, most all gl5 gear lubes the g80 uses a gl5 syn gear lube contain some amount of lsfm additive, thats premixed in each bottle. Turn your ford into a highperformance street and drag. Produces a frictionreducing barrier that does not drain off. Is an extreme pressure api gl5gl6 and api mt1 limited slip and conventional differential oil, with superior high temperature stability when compared to mineral differential gear oils.
Red line limited slip differential frictionmodifier breakin additive will significantly reduce the friction during breakin of differentials. Redline synthetic shock proof oil with positraction additive. What you need for gm positrac differentials limited slip. Slip lock is a suitable substitute for any oem or aftermarket friction modifier for differential use.
After driving the car for 10 miles the differential started to make noise. Clutch plate limited slip the powrlok has been built by the danaspicer corporation since the mid 50s. I have been reading and searching the forum about changing my rear differential oil. Limslip additive is also used as a supplement to formulated limited slip differential gear oils to overcome the problem of adsorption of the. Use 4% for prevention of limited slip chatter in brokenin units typical one 4 oz. The more i read the more confused i become about vsc, autolsd, and atrac.
A limitedslip 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. Pennzoil platinum axle sae 75w90 long evo lube supply. The g648 226mm rii is the limited slip differential. Mar 20, 2018 in this video we show you how to use our limited slip supplement with proprietary lxe liquid wax ester technology, and then well answer some of the most common questions about it. Add 1oz at a time to clutchtype limited slip or positraction. Buy 3 quarts of dino oil, plus some limited slip differential additive, and youll be good. Molyslip g gear oil supplement is a suspension of molybdenum disulfide mos2 in a high quality multiviscosity gear oil with extreme pressure, antifoam and adhesion additives that. I was running 80w90 before with crc limited slip additive. The factory stock differential cover capacity gear oil is 72 oz or 4. Acdelco limited slip differential additive helps to reduce differential temperature, prevent rust, and extend the life of clutches and gears. Limited slip wet clutch transmission fluid for awd differentials. Limited slip differential noise maintenancerepairs. I have used lucas 80w90 oils and about 5oz of an additive for limited slip differential. There are three basic types of differentials open, limited slip and locking.
Limited slip differential fluid friction modifier 4318060ab by crown. Lucas oil 101224 lucas pure synthetic gear oil compare gear oil, pure synthetic, 75w140, limited slip additive, 1 gallon, set of 4. Amsoil sliplock differential additive synthetic solutions. Effective ep additives control gear tooth wear, even under high torque, low speed. Some ls additives friction modifiers used to control the breakaway characteristics of limited slip clutches will increase the oxidation rate of the oil, i. Oem parts are made of thick high quality materials and will fit your vehicle perfectly. The g648 226mm rii is the limitedslip differential. Red line limited slip friction modifier will significantly reduce the friction breakin of differentials, reducing breakin temps to as much as 50 degrees f. Limited slip fluids in nonls differential bob is the. Does that mean i dont need to add the limited slip additive. Gm limited slip additive is formulated for use in limited slip, positraction rear axles, limiting excessive clutch plate friction for reduced chatter and rear end noise. This may be more than you want to know but the reason the additive was called for was to help disengage unlock the clutch. Limitedslip axle additive concentrate kendall motor oil. Uses this hypoid gear design where the diff make fluid pressure to drive the side gears to make a limited slip.
Im not sure i even got my head fully wrapped around the concept. A favorite of track day gurus, intermediate viscosity for consistent lsd operation. Gear oils made for standard differentials do not contain the additives that make these clutches work. Dodge jeep limited slip additive friction modifier lubricant.
Lock type truck posi units that use metal friction plates. This product is made of highquality components to meet and exceed strict quality requirements. It will meet your needs and deliver great quality at an affordable cost. Molyslip g gear oil supplement is a suspension of molybdenum disulfide mos2 in a high quality multiviscosity gear oil with extreme pressure, antifoam and adhesion additives that plates onto all gear drive surfaces. Buy gear oil additive lubegard 4 oz bk 7652597 online from napa auto parts stores. Free, expert advice about red line limited slip differential friction modifier breakin additive available. I am changing the diff fluid in my ford nine inch rear end. There may be better friction treatments, but oem is better than. Its basically dino oil with the proper amount of additive mixed in. Limited slip or positraction units will often chatter without use of this. I ask friends and all said certain limited slip diffs needed a additive added to the standard as well. G80 rear differential recommended fluid chevy and gmc.
Acdelco limited slip differential lubricant additive helps to reduce friction and noise in the rear axle. I thought, perhaps i should not use the additive with the lucas gear oils or perhaps. Amsoil sliplock differential additive is formulated with advanced friction modifiers and is designed to eliminate gearhousing chatter in cars, trucks and suvs equipped with limitedslip, positraction and locking differentials. The most common question we get asked is what oil and additive to run in my differential. Kendall special limitedslip gear lubricant is an extremepressure, api gl5. Hypoid oils have additives to help them cope under extreme pressure, but as limited slip diffs still have hypoid gears in, i. Its formulated by high performance ep additive for superior protection along with special friction modifier for enabling lsd performance. Buy online from opie oils for delivery to your home, workplace or mechanic. I want to change the fluid to valvoline 75w 140 which is a full synthetic. Genuine gm fluid 88900330 limited slip axle lubricant additive 4 oz. Look on the label if it does not say limited slip on the front and in the fine print it is not limited slip dont use it.
Specially formulated additive to provide smooth operation of clutchtype limitedslip differentials. The label on the bottle says limited slip on the top corner of the label. If equipped with a limited slip differential, be sure to add 4 oz. I just wanted to see if anyone can confirm this, i just drained the differential oil, and im waiting to see weather i should buy additive or not. I thought, perhaps i should not use the additive with the lucas gear oils or perhaps i added too much of it. Compatible with both petroleum and synthetic gear oils. The differential allows the tires to rotate at different speeds. And the additive in the modifiers are only their to quiet the action of the limited slip and prevent disc shutter. Limited slip fluids in nonls differential bob is the oil guy. Here at limitedslip we stock and supply many different differentials from the world biggest manufacturers, including cusco, quaife, wavetrac and kaaz. In nonlimitedslip racing differentials and quickchange units using the red line shockproof gear oils an additional 3 to 6% red line limitedslip differential frictionmodifier. The noise started after i changed the oil in the rear end. Wet clutch tribology friction characteristics in limited slip. A vehicles rear differential sends power from the driveshaft to the axles.