hey stroker guys......
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these engines hardly have a "top end" lol. i would consider 3500-4000 mid range. and the answer is no.
You have the right idea. the longer stroke will demand more air at any given RPM, but i think the magnum heads flow pretty good, you would probobly only see flow issues when getting close to 6000rpm.
A better flowing exhaust and intake is a must, but the heads should have no problem supporting 390ci under 5500RPM
You have the right idea. the longer stroke will demand more air at any given RPM, but i think the magnum heads flow pretty good, you would probobly only see flow issues when getting close to 6000rpm.
A better flowing exhaust and intake is a must, but the heads should have no problem supporting 390ci under 5500RPM
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