G 2500 3/4 Ton Van V8-350 5.7L VIN L 4-bbl (1983)
![background image](/gmc/g_2500_3/4_ton_van/v8-350_5.7l_vin_l_4-bbl/Page-1622002.png)
decrease gun distance
Tighter Pattern
Decrease air pressure
and/or gun distance
Wider Pattern
Increase air pressure
and/or gun distance
decrease gun distance
Tighter Pattern
Decrease air pressure
and/or gun distance
Wider Pattern
Increase air pressure
and/or gun distance