alright guys i got my redline 75w90 gear oil to put in the rear end, but i forgot is our cars one of the types that you have to add a lsd addative in? (like gms) or do i just use the redline fluid on its own?
thanks alot
thanks alot
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you'll be fine with just redline.
redline makes one that has friction additives, but I was told that's for older LSDs that have slipping clutches... -
Redline 75W-90 gear oil already contains the lsd additive. Redline 75W-90NS does not. Make sure you have the first one, otherwise your diff will chatter.Comment
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BMW just uses regular Mobil synthetic diff oil with no additive, I know cause I got ripped off buying it from them $20 a liter.Comment
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75W90 GEAR OIL - recommended for most street driven and racing differentials. Excellent performance in conventional and limited-slip units. Also for limited-slip manual transaxles which require a 90 WT oil. Contains limited-slip friction modifiers.
75W90NS - recommended for manual transmissions and non-limited-slip transaxles that recommend 90 WT oils. Can be used in racing limited-slip units to increase lockup and reduce wheel spin. Street-driven rear-wheel drive cars should use regular Red Line 75W90 or 80W140.
LIMITED-SLIP COMPATIBILITY
Red Line Gear Oils, with the exception of the 75W90NS, already contain friction modifier required for operation in limited-slip differentials. Additional additive is not required.
DIFFERENTIAL FRICTION MODIFIER & BREAK-IN ADDITIVE
is a friction modifier designed to reduce limited-slip noise and to aid the proper break-in of any differential. This can be added to any gear oil to reduce temperature during break-in and prevent gear softening. Replaces manufacturers' limited-slip additives. Can be used to perfectly tune a limited-slip unit. Red Line 75W90 and 80W140 Gear Oils already contain this additive.Comment
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