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Valve Clearance Specifications|Page 1816 > < Piston Ring Dimensions|Page 1810
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Valve Clearance: Specifications
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.

Valve Clearance Specifications|Page 1816 > < Piston Ring Dimensions|Page 1810