Valve Train Analysis - Static

Static checks (engine off) are to be made on the engine prior to the dynamic analysis.

Valve Cover Removed
Check for damaged and/or severely worn parts and correct assembly. Make sure correct parts are used with the static valve train analysis.

Rocker Arm
- Check for loose mounting bolts, studs and nuts.
- Check for plugged oil feed in the rocker arm or cylinder head.

Valve Tappets
Inspect the valve tappets for:
- excessive tappet gap.
- sticking tappet plunger.

Replace valve tappets as necessary.

Camshaft (Overhead Cam Engines)
Inspect the camshaft for: scoring, scratches and excess wear on the camshaft lobes.

Replace the camshaft if necessary.

Valve Springs
- Check for broken or damaged valve springs.
- Check valve spring strength.

Replace as necessary.

Valve Spring Retainer & Valve Spring Retainer Keys
Check for proper seating of valve spring retainer keys on the valve stem and in the valve spring retainer.

Valves and Cylinder Head
- Check for plugged oil drain back holes.
- Check for worn or damaged valve tips.
- Check for missing or damaged valve stem seals.
- Check for excessive valve tappet gap.
Check installed valve spring length.