Proper Engine Building Techniques Piston To Head Clearance Checking
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Since this engine is extremely high compression, the piston is very close to the cylinder head at top dead center. For this reason, piston-to-head clearance must be checked as well as piston-to-valve clearance. Instead of estimating the compressed thickness of the head gasket, we keep a used gasket on hand to measure the actual clearance. View Related Article
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