Valve guides
Cylinder Heads

Valve guide wear-What to fix and why?

Valve guide wear refers to excessive clearance between valve stem and valve guide. As guides wear, the side to side movement can cause valves to seat improperly. Valve leakage causing compression loss is another reason […]

Valve Lash Setting
Cylinder Heads

Valve lash setting and adjustment

The term “valve lash” is often used when discussing valve train adjustment. A valve lifter (sometimes referred to as a tappet or cam follower) follows the contour of the camshaft lobe and transfers that motion to open […]