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#13
02-27-2023, 02:03 PM
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Not a big issue , but something that can benefit you a little going forward when surrounded by other Pontiac-aholics .... the 13 Heads are open chamber - not closed chamber.
1967 was the last year PMD used closed chamber design on production heads. Check your intake casting date. Maybe get lucky and be 1969. And carb number too. |
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