06-18-2014, 07:47 AM
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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
The bigger the cam, the more overlap it has. The more overlap, the less efficient the engine is at lower rpms. As Scott says, you can get "the buck" if they are too inefficient and you also get a "dirty" idle quality, along with softer power on the bottom end and mid range.
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