57 347 intake port dimensions
Crazy question, but does anyone know the intake port dimensions for a 57 347?
Thanks, Stan |
The exhaust ports changed in 55,56, 57,58 but I dunno about the intake side, do you need measurements?
Maybe I can find a '70's gasket to compare to the intake flange... Curious, what are you working on? |
I think the intake gaskets are 57-60.
Well, to answer the question of what am I working on. I am looking at an old Hilborn stack injection. Thinking of adapting it to a Chevy 348 going in a 32 Ford. I have plenty of 70’s Pontiac parts to compare, but my understanding is the early stuff is quite small comparatively. Thanks. |
After market intakes were 55-60 and 61-64.Can we assume 55-60 ports are the same size?Tom
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'57 has larger intake ports than '56. '57 through '60 have the same size intake ports.
59 & 60 heads should not be interchanged because of different water flow passages for reverse flow (59) vs "conventional" flow (60) heads. |
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