Valve Clearance Specifications
Year Engine/VIN Valve Lash
1989-90 4.3L/V6-262/Z 3/4 Turn (2)
1989-92 5.0L/V8-305/E 1 Turn (1)
1991-92 5.7L/V8-350/7 1 Turn (1)
1992 4.3L/V6-262/Z 3/4 Turn (2)
(1)- Turn rocker arm stud nut until all alsh is eliminated, then tighten nut the additional turn listed in 1/4 turn increments. Refer to ADJUSTMENT PROCEDURES/VALVE LASH.
(2)- Turn down from zero lash.