Buick Workshop Service and Repair Manuals

Valve: Specifications
Valve Arrangement

FRONT TO REAR

4.3L/V6-262
Right.......................................................................................................................................................................................................................E-I-I-E-I-E 
Left.........................................................................................................................................................................................................................E-I-E-I-I-E 

5.0L/V8-305 & 5.7L/V8-350
All.....................................................................................................................................................................................................................E-I-I-E-E-I-I-E