Valve Springs
- Inspect valve spring tension and free length. Replace spring if it is not within specification. See VALVES & VALVE SPRINGS table under ENGINE SPECIFICATIONS.
- Measure valve spring installed height from spring seat to bottom of spring retainer. If spacers are installed, measure from top of spacer. If height exceeds 1 19/32" (40.6 mm), install a 1/32" (.794 mm) thick spacer in cylinder head counterbore to obtain correct installed height. See VALVES & VALVE SPRINGS table under ENGINE SPECIFICATIONS.