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Old 06-10-2021, 07:12 PM
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Bill Hanlon Bill Hanlon is offline
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Join Date: Feb 2005
Location: Fredericksburg, TX
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Quote:
Originally Posted by misterp266 View Post
Not even sure there ever was a 4.11 for that rear.
1966 Chassis Parts Book lists 4.11:1 and 4.33:1 gearsets for 65-66 big Pontiacs. Same book lists a 4.10:1 for the 64 rear axle.

And then there are these from the Pontiac Master Parts Catalog dated 10/1/60.
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My Pontiac is a '57 GMC with its original 347" Pontiac V8 and dual-range Hydra-Matic.
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