V 3500 P/U 4WD V8-350 5.7L (1989)
![background image](/gmc/v_3500_p/u_4wd/v8-350_5.7l/Page-925001.png)
Distributor: Specifications
Distributor Timing Advance
The Control Module advances or retards the spark. If the base timing is set incorrectly, the engine spark curve will be incorrect.
Distributor: Specifications
Distributor Timing Advance
The Control Module advances or retards the spark. If the base timing is set incorrectly, the engine spark curve will be incorrect.