IQ52 said Are you talking about piston to valve clearance? Because it isn't checked at TDC! http://www.racingheadservice.com/Information/Technical/PistonToValveClearance.asp Click to expand...
70aarcuda said at max lift the piston is no where around tdc....the valve to piston clearance needs to be check during the over lap period of the camshaft..... Click to expand...