Quote:
Originally Posted by NHRAstocker409
Because of course due to the Stock rules, piston-to-valve clearance is at a minimum.
Mine measured .070" on the intake, .045"+ exhauast ( cam is retarded 4 deg ).
Pistons are "clean" in the area where the exh valve gets close, but no evidence of contact.
My rocker arm "puncturing was actually more prone to the intake... the ramp on the intake lobe is a little more aggressive ).
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Aubrey,what method did you use when measuring the piston to valve clearance?