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| {{copyright}} | | {{copyright}} |
− | ==Overview==
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− | Firing orders for GM engines.
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− | ==Chevrolet==
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| [[Image:Chevy_firing_orders.jpg]] | | [[Image:Chevy_firing_orders.jpg]] |
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− | *In the case of reverse rotation marine engines where the distributor rotation is opposite of a standard rotation engine, the reverse rotation firing order becomes '''1-2-7-5-6-3-4-8'''.
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− | ==Buick==
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− | ===Buick V8===
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− | [[File:Buick v8 firing order.jpg|border]]
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− | *The 1970 Buick 350 ci engine has a firing order of 1-8-4-3-6-5-7-2 and the rotor spins counterclockwise. The number 1 distributor cap terminal is at 5 o'clock viewed from in front of the car.
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− | *1963-'66 401 and 425 ci Buick engines have a firing order 1-2-7-8-4-5-6-3 and the rotor spins clockwise. The number 1 distributor cap terminal is between 8 and 9 o'clock viewed from in front of the car.
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− | *The 1964-'66 300 and 340 ci Buick engines have a firing order of 1-8-4-3-6-5-7-2 and the rotor spins clockwise. The number distributor cap terminal is at the 4 o'clock position viewed from in front of the car.
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− | ===Buick V6===
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− | [[File:Buick V6 firing order2.jpg]]
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− | ==Oldsmobile==
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− | [[File:Olds firing order.jpg|border|250px|]]
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− | ==Pontiac==
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− | [[File:Pontiac firing order.jpg|border|260px|]]
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− | ==Cadillac==
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− | ===331, 365, and 390 V-8 1962-back===
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− | [[File:Cad firing order 390 62-back.jpg|frame|left|1962-back 331, 365, and 390 ci with counterclockwise distributor rotation.]]
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− | <br style="clear:both"/>
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− | ===390, and 429 ci 1963-up ===
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− | *1-8-7-2-6-5-4-3
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− | *Clockwise rotation
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− | ===368, 425, 472, and 500 ci 1968-up ===
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− | *1-5-6-3-4-2-7-8
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− | *Clockwise rotation
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− | ===4.1L and 4.5L===
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− | [[File:Cad 4.1-4.3 L fo.jpg|frame|left|4.1 and 4.5 L]]
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− | <br style="clear:both"/>
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− | ===Northstar===
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− | *1-2-7-3-4-5-6-8
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| [[Category:Engine]] | | [[Category:Engine]] |
− | [[Category:Firing orders]] | + | [[Category:Undeveloped articles]] |
− | [[Category:GM]]
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