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if my car did not come with posi then what all will i need to get for them to install it? did all z28's come with posi or not? i have a 2000 z28 that only leaves one line burn outs
This means that your posi is going out. You should have a torsen diff as the 98's were the only ones that came with an auburn for the ls1 years if I'm not mistaken....