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Forum: Pontiac - Street 07-08-2021, 11:22 PM
Replies: 45
Views: 6,385
Posted By John Milner
Someone could have slipped a 455 crankshaft in it...

Someone could have slipped a 455 crankshaft in it when it was rebuilt. A 33 cc dish with the 455 stroke would have likely put the compression near 9.5:1.
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