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Old 11-30-2023, 04:39 PM
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Quote:
Originally Posted by Stan Weiss View Post
If that is the case then why does ever Pontiac engine from a 326 ci to a 455 ci having different bore size and strokes all had the same 0.063" offset? (Based on the information I have)
96,946 GTOs built in '66. Eight pistons each... 775,568.
Pistons were mass produced, fixed offset makes sense.
455SD was already receiving extra attention because of
the rods, 326 just needed a slug to fill a hole.