help with piston / valve clearance
08-02-2009, 06:12 AM
#1
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help with piston / valve clearance Hey guys I need a little advice here. I'm about to do a head and cam swap on a stock ls1 bottom end. I have ported 243's unmilled with dual springs to install. Can I run the ms4 cam with these heads without having to get valve reliefs cut in the pistons? Would I be better off just running a cam with less lift so that I can use the thinner cometic head gaskets and bump up the compression ratio? Any advice will be appreciated.
08-02-2009, 07:03 AM
#2
if i'm not mistaken, duration is what you need to look at for piston clearance. I think you would need to flycut but im not sure. i had to fly cut, its not all that difficult.
