Rear End Fluid Choice....
TECH Resident
Joined: Jan 2003
Posts: 855
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From: AUSTIN TX
And can someone clarify exactly what the purpose of the additive and what it does. It is my understanding that all it is is a friction modifier designed to encourage the clutches to slip and therfore make the transition around corners and parking lots bind free (more like an open differential). If that is all it does, then I would not see a need for most of us on this board to use it. It obviously has nothing to do with lubrication qualities or GM would require it in all rear axles, not just those equipped with limited slip differentials.
http://www.xcellube.com/products/atf_gear/gl5.htm .This is what I used & I added two bottles of gm limited slip additive.
Synthetic is to slick for the carrier & it could cause the seals to leak this is what Strange told me .
Synthetic is to slick for the carrier & it could cause the seals to leak this is what Strange told me .
Originally Posted by 1ScrudeDude
Digging up the ol' thread again...
Can anyone tell me the rationale of NOT using synthetic. I always thought synthetics would have better cooling capabilities.
Can anyone tell me the rationale of NOT using synthetic. I always thought synthetics would have better cooling capabilities.
Thread Starter
11 Second Club
Joined: Aug 2003
Posts: 1,541
Likes: 1
From: Boring Green, Kentucky
Originally Posted by DynoDR
Only that my rear end bearing replacment jobs more than tripled when the oem started using syn. fluid. Some at very low mileage also. The only thing they all have in common is the synthetic fluid.
Funny thing is, a shop I went to last week said the exact same thing you did.
Synthetics in rear---->
Thread Starter
11 Second Club
Joined: Aug 2003
Posts: 1,541
Likes: 1
From: Boring Green, Kentucky
Originally Posted by NaSSty99
i got 80 w 90 in my 8.8", i think i'll switch to 85-140
i don't have any limited slip additive right now, is it ok to drive the car a couple of miles before i put any additive in it?
i don't have any limited slip additive right now, is it ok to drive the car a couple of miles before i put any additive in it?
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