Chevy Camshafts - Got Lobes?
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Camshafts only look simple; in reality, they're complex devices that control all four valve events (intake open, intake close, exhaust open, exhaust close), as well as how far the valve opens, how long they stay open, and how long they're both open at the same time. These factors, along with the distance between the intake and exhaust centerlines (LSA), determine how much power an engine will make and where in the rpm range it will make it. View Related Article
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