GM firing order 5.7 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
