Imca Modified Racing Engine Piston To Valve Clearance
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Jeff's Performance checks piston-to-valve clearance with a dial indicator because it's much more exact, but they also squished a little clay for this article because it's a lot easier to see what's going on. Hill says minimum piston-to-valve for an engine with solid lifters and steel valves should be 0.080 inch for the intake and 0.100 inch for the exhaust. These have a few thousandths more clearance than that, but not much. View Related Article
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