GM firing order

GM FIREBIRD 1967-1981 FIRING ORDERS REPAIR GUIDE

1: Engine: 1967-74 230 and 250 Firing order: 1-5-3-6-2-4 Distributor rotation:
Clockwise
2: Engine: 1975-76 250 Firing Order: 1-5-3-6-2-4 Distributor rotation: Clockwise
3: Engine: 1977-81 231 Firing Order: 1-6-5-4-3-2 Distributor rotation: Clockwise
4: Engine: 8-Cylinder engines (except 1978-81 305 and 1978-79 350(Chevrolet) Firing
order: 1-8-4-3-6-5-7-2 Distributor rotation: Counterclockwise
5: Engine: 1978-81 305 and 1978-79 350 (Chevrolet) Firing order: 1-8-4-3-6-5-7-2
Distributor rotation: Clockwise

GM firing order

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gm firing order
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