S10/T10 Blazer 2WD L4-121 2.0L VIN Y 2-bbl (1983)
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