Cylinder Block
- Check cylinder bore, out-of-round and taper. Measure at about .50" (12.7 mm) below top surface of cylinder bore, middle of bore and about .50" (12.7 mm) from bottom of cylinder bore.
- Check valve lifter bore diameter. Repair or replace cylinder block if it is not within specification. See CYLINDER BLOCK and VALVE LIFTERS tables under ENGINE SPECIFICATIONS.