"These days, almost never," proclaims Billy Godbold, Comp Performance Group Valvetrain Engineering Group Manager. For sure, anytime you can reduce the mass of the valves, valvesprings, valve locks, ...
Bruiser ("Ground & Pound," October '09) seemed well at home in the upper rpm. A closer look revealed a less-than satisfactory issue with valve float and subsequently a loss in power. It's been known ...
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