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Head Build Valve Guide Check
Head Build Valve Guide Check
Step two is checking valve-guide clearance. Alvarez began by checking the guides themselves with the dial-bore gauge. According to Alvarez, guides should come in at 0.001 inch clearance on the intake side and 0.0015 inch on the exhaust. If the guides are bigger than this (i.e., loose) they must be replaced. View Related Article
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