Buick Workshop Service and Repair Manuals

Valve: Specifications
Valve Lift Specifications

Engine/VIN      Year     

Int. 

Ex.

4.3L/V6-262/Z  

1992-93     

.350 

.385

5.0L/V8-305/E  

1993  

.350  

.385

5.7L/V8-350/7  

1992-93     

(1)

(1)

5.7L/V8-350/P  

1994     

.418

.430

(1)- Except police models, intake .350 inch, exhaust .385 inch. Police models, intake .413 inch, exhaust .428 inch.