Longer valves were used with camshafts lifts when they got over around .550" lift. Eventually the follower will want to walk right off the end of the valve tip. Preferably, you want the follower to...
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Longer valves were used with camshafts lifts when they got over around .550" lift. Eventually the follower will want to walk right off the end of the valve tip. Preferably, you want the follower to...