hi,
in response to your questions:
1) no, not all 12-bolts are posi. posi was optional.
2) 12-bolts are rebuildable. you can obtain a 12-bolt without posi and convert it to posi.
3) if you have a small block, 10-bolt should be ok. if you have a big block, 12-bolt is recommended. used 12-bolt is your best bet, but they're rare (low supply, high demand).
4) some rear ends are same and some are slightly different (ie, trailing arms). don't know which ones are compatible.
anybody please correct me if i'm mistaken... i just bought a used 12-bolt non-posi for my '69 ss (dropping in a 454 instead of 396) for $100 (a steal). i'm now searching for the posi unit to rebuild.
good luck!
sherwin
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, March 19, 2002 8:19 PM
To: [EMAIL PROTECTED]
Subject: [Chevelle-List] rear questions
Replies to this message are sent to The Chevelle Mailing List
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hey out there!
i have a question, is it worth it to convert my 10 bolt into a posi unit,
then eventually buy new ring/pinion, or should i just search for a used 12
bolt or ??
are all 12 bolts posi??
are the 12 bolt posi rebuildable??
which would be the cheaper/stronger venture??
are buicks, olds, pontiac a-body rears all the same (bolt into the car)
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