Re: Isky cams

[DatsunDoc@aol.com]

The Isky U-20 cams are all based on L-series profiles  developed in the early 
70's(they use the same master to grind the profile). They were developed for 
L16 and L24 engines. They will work in U-20 engines but the actual valve timing 
events will be different than advertized for L-series engines because the 
rocker arm ratio is less for a U-20 than L-series. Hence, less lift and less 
total duration. In fact, most aftermarket U-20 reground cams are ground with 
L-series profiles to them.

Mike Unger

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