GM LS V8 (4.8, 5.3, 5.7, 6.0, 6.2) Firing Order

Firing order: 1-8-7-2-6-5-4-3 (18726543).

Cylinder numbering: Left bank 1-3-5-7

Firing order diagram

TIMING END ▲1138567324476582Driver sidePassenger side
firing order 1-8-7-2-6-5-4-3. The small number by each cylinder is its place in the firing order.

Details

EnginesGM Gen III / Gen IV LS V8: 4.8, 5.3, 5.7 LS1/LS6, 6.0, 6.2, 7.0 LS7
Years1997-2020s
Firing order1-8-7-2-6-5-4-3
Cylinder numberingLeft bank 1-3-5-7
IgnitionCoil-per-cylinder on every Gen III/IV; no distributor.

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