Info on V8 Engine Firing Order

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V8 Engines - Firing Order

Ford Engines
4, 6, 8, 10, 12 Cylinder Ford Engines

Ford V8 Engines
8 Cylinder Engines

Ford 351 Cleveland V8 Engines
The Ford 351 cubic inch V8 Engines

Doing something as simple as a cap. rotor and spark plug and wire change can quickly become complicated if you loose track of the wiring / firing order of your wires and you don't have a shop manual handy. Thanks to a few jobs where a wire or two were out of order in the reinstallation of what should have been an easy tune up using a new cap, new rotor kit and a change of the spark plugs and wires, this information was eventually written down and posted in the garage above the work bench. So here is a reference sheet of most domestic V8 engines:

Oldsmobile V8 Engines 1967 and later:

Oldsmobile V8 Engines 1967 and later:
Rotation: Counter-clockwise
Firing Order: 1-8-4-3-6-5-7-2

AMC for most V8 engines:

AMC for most V8 engines:
Rotation: Clockwise
Firing Order: 1-8-4-3-6-5-7-2
AMC V8 hp/Torque, Compression & Bore/Stroke

Buick Engines except HEI:

Buick Engines for most except HEI:
Rotation: Clockwise
Firing Order: 1-8-4-3-6-5-7-2

Chevrolet / Chevy Engines:

Chevrolet / Chevy Engines:
Rotation: Clockwise
Firing Order: 1-8-4-3-6-5-7-2

Chrysler Big Block & Hemi Engine

Chrysler Big Block & Hemi Engine Firing Order:
Rotation: Counter-clockwise
Firing Order: 1-8-4-3-6-5-7-2

Chrysler Small Block

Chrysler Small Block:
Rotation: Clockwise
Firing Order: 1-8-4-3-6-5-7-2

Ford Engines:
5.0L HO, 351W, 351M, 351C, 400

Ford Engines: 5.0L HO, 351W, 351M, 351C, 400:
Rotation: Counter-clockwise
Firing Order: 1-3-7-2-6-5-4-8

Ford Most V8 Engines

Ford Most V8 Engines:
Rotation: Counter-clockwise
Firing Order: 1-5-4-2-6-3-7-8

Pontiac Engines

Pontiac Engines for most 1955 through 1981:
Rotation: Counter-clockwise
Firing Order: 1-8-4-3-6-5-7-2
Note: the 307 Pontiac V8 engine rotates clockwise