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Don’t let Overlap get Over You!

Wednesday, 18 May 2016 by

  There are hundreds of articles written on Camshaft selections.  Very little is discussed on the importance of  Valve Overlap. Overlap is the angle in crankshaft degrees that both the intake and exhaust valves are open. What does it do? At high engine speeds, overlap allows the rush of exhaust gasses out the exhaust valve to

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