12:40:17am, Sunday, May 19, 2024
Case head flow
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Loosenut
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Wondering if anybody can tell me cam numbers on 504 heads before and after being ported. Intake and exhaust both thx. |
Re: Case head flow
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?
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Cam numbers? |
Re: Case head flow
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Depends who does em
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With stock valves .600 lift intake 220-240cfm exhaust 180-200cfm. Surely someone has some different numbers as well but that’s my 2 cents |
Re: Case head flow
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Registered: 11/14/2017 Posts: 80 |
"Depends on who does em" numbers are close to what I've seen, by cleaning up the ports on a basic job using stock valves for a limited rpm class. Better numbers can be achieved if you want to spend more $. If you're going to do it, I'd switch to automotive type valves for a better selection of retainers and springs. |
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