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Old 10-31-2020, 03:40 AM
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jbtech jbtech is offline
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Quote:
Originally Posted by Lynn View Post
Freddie will correct me if I am wrong, but I think your options for a correct GM set of gears for a 12 bolt are going to be 3.73, 4.10, 4.56 and 4.88.

Aftermarket makes 4.30 and 4.33 gears. While they were available from the factory in Pontiacs in the late 60s, I think the BOP rear was different from the Chevy 12 bolt.
Thanks for the info looks like aftermarket is my only option.

Anyone have some good used gears I won't need to break in?

Thanks!
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