[DeTomaso] Comp Cam Kits

Daniel C Jones daniel.c.jones2 at gmail.com
Thu Jul 30 14:23:43 EDT 2009


> I think a smaller LSA means more overlap, and moves the power to
> higher RPM.

If you hold the duration constant, yes but that's not the way to spec
the cam.  First you decide on the RPM range which sets the total
overlap.  Then, based upon intake valve size, displacement, compression
and valve angle, you pick the ideal LSA.  Duration then falls out of
the equation.

Dan Jones



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