GM firing order

GM firing order 1988-1998

GM Full-Size Trucks 1988-1998

GM FULL-SIZE TRUCKS 1988-1998 FIRING ORDERS REPAIR GUIDE

1: 1988-95 4.3L Engines Firing Order: 1-6-5-4-3-2 Distributor Rotation: Clockwise
2: 19-95 4.3L Engines Firing Order: 1-6-5-4-3-2 Distributor Rotation: Clockwise
3: 1988-95 5.0L, 5.7L and 7.4L Engines Firing Order: 1-8-4-3-6-5-7-2 Distributor
Rotation: Clockwise
4: 1996-98 5.0L, 5.7L and 7.4L Engines Firing Order: 1-8-4-3-6-5-7-2 Distributor
Rotation: Clockwise

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