Quote:
Originally Posted by misterp266
Not even sure there ever was a 4.11 for that rear.
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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.