89rstbi

how do i tell if a rear end is posi or not?...i have the casting number is there a site i can look it up on

tardster

Do both wheels spin and leave marks when you light them up?

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89rstbi

the rear end is out of the car...im buying a complete rear end from someone and i donno is it is posi or not...theyt "dont remember"

tardster

Well unless its a good freind i'm not sure if I would trust the "dont remember" part of it. if FormulaLT1 doesnt answer you soon you might pm him and ask him for sure on how to go about finding out for sure.

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Morley

There should be a little metal tag on the diff. somewhere with an RPO code stamped on it...get the code and look it up on an RPO decoder

89rstbi

if i turn one axle what should the opposite do?

Chevyracincamaro

the same direction as the one you are spinning...

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*Better power-to-weight ratio than a C6 corvette*

DaMoNe6969

yeah the simplest failsafe way to tell is to turn one tire.. the other side should turn the same way.. This means its a limited slip (posi)

If it doesnt turn, or turns the opposite way, its an open rear

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1995 BMW 328IS
camaro = SOLD
supra = STOLEN

FormulaLT1

If you know the RPO codes thats the easiest way. If not then damone's way works too. Or the super fail safe way is to open it up and see. Good Luck.

John

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RIP Hypsi - I just want to express I will never be the same after having lost such a good friend. You meant alot to me and I feel I am a better person for having known you. Til the day we meet again my friend you will always be in my heart.


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