Valve Clearance Specifications — 1991 GMC Syclone V6-262 4.3L Turbo Service Manual

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pro multis · About Operation CHARM

Stem To Guide Clearance	Intake	Standard	0.0010-0.0027 Inch (in)
		Service Limit	0.0037 Inch (in)
	Exhaust	Standard	0.0010-0.0027 Inch (in)
		Service Limit	0.0047 Inch (in)