Cylinder Head
NOTE:
When valve and/or valve seat are machined, valve clearance is reduced and may cause improper valve operation. Valve lifter must be collapsed and clearance checked. See, in this article, VALVE CLEARANCE ADJUSTMENT under ADJUSTMENTS.
Check cylinder head warpage at deck surface. Resurface cylinder head if warpage exceeds specification. See CYLINDER HEAD table under ENGINE SPECIFICATIONS at end of article.
CAUTION:
DO NOT
machine more than .010" (.25 mm) from cylinder head original thickness.