07-31-2010, 01:22 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
400 lb open pressure is nowhere near enough.....I wouldn't even feel comfortable with 450-475 for a solid roller.
For street rollers, I usually go around 250 seat and 550 open.
On a hydraulic roller, 150 lb seat pressure and 400 lb open is good.
For an engine never turning over 6000 rpm, there is no reason to not use a hydraulic roller cam. There are also plenty of grinds that will allow you to make comparable power levels.
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