'65 M-21 4-Speed - The Supercar Registry

02-04-2023, 02:50 PM

DAVE H DAVE H is offline

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As always, thank you Jeff for taking the time to share your knowledge.
I guess the only other clue might be the lack of a division number stamp before the year number. It looks like they ran all 4 divisions through Fremont in '65. Buick big blocks were introduced in '67. Pontiac had the uniblock, so possible..but I'm leaning towards the Olds F-85, 442 through the process of elimination, assuming that what is stamped is correct.
Dave.

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