valvespring installed height for 302 ford procharged
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valvespring installed height for 302 ford procharged

  1. #1
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    Default valvespring installed height for 302 ford procharged

    Huch more seat pressure should a supercharged marine engine run than an auto engine? And what else should i know about setting up a valvetrain in a marine motor?
    Last edited by onefastt; 07-06-2010 at 02:09 PM. Reason: first question made no sense.

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    gn7
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    You do know what the required spring pressure is for the cam your running is.....right? Lets start there.



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    130 lbs seat pressure 350 open

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  6. #4
    gn7
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    OK. Take the diameter of the intake, find the sq inches, Dia X Dia X .7854. Multiply that number by the PSI boost=increase in spring pressure required. Minimum.



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    Diameter of the intake port or valve? And should i leave the exhaust set up at 130 or do the same

  8. #6
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    valve.
    Carry on.

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