Thread: 65-85 under.
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Old 12-21-2022, 02:22 PM   #3
Paul Precht
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Default Re: 65-85 under.

Quote:
Originally Posted by 442OLDS View Post
My combo is rated from the factory at 365.
I would be in favor of treating my 365 factor the same as this one:

Mopar 426 365 291 295 1964
Would you then be in favor of running a manifold from an Olds that came on late 50s engines along with an AFB that flows 575 cfm in place of your QJ that flows 800 cfm. Would you give up the valve to piston clearance and long stroke that allows you so much more cam than the 426 SW can run.
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