Operation CHARM: Car repair manuals for everyone.

Valve, Intake/Exhaust

Valve Head Thickness Intake Valves (Standard) 0.03 - 0.047 Inch (in)
Intake Valves (Minimum Limit) 0.024 Inch (in)
Exhaust Valves (Standard) 0.03 - 0.047 Inch (in)
Exhaust Valves (Minimum Limit) 0.027 Inch (in)
Valve Head Angles
for Refinishing Area Above Seat Contact Surface
15 Degrees (deg)
Valve Stem Outside Diameter Intake Valves 0.2152 - 0.2157 Inch (in)
Valve Stem-to-Valve Guide Clearance Intake Valves (Standard) 0.0008 - 0.0018 Inch (in)
Intake Valves (Maximum Limit) 0.0027 Inch (in)
Exhaust Valves (Standard) 0.0018 - 0.0028 Inch (in)
Exhaust Valves (Maximum Limit) 0.0035 Inch (in)
Valve Lash Intake Valve Cold Valve Lash 0.005 - 0.007 in
Exhaust Valve Cold Valve Lash 0.009 - 0.011 in
Intake Valve Hot Valve Lash 0.007 - 0.008 in
Exhaust Valve Hot Valve Lash 0.011 - 0.013 in