Re: heads
Now if your going to use a hi lift cam like the L-100, the head will have to be clearanced . Also, regardless of the head you use the piston to head clearance should be .045/.050" to increase the turbulence in the chamber. This will improve throttle response and economy.. Just remember there's a reason why you do things and some of the choices have an affect on other things. There's a differance between building an engine and putting one together.
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