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The Old 403 in the 1979 Trans_Am has the same Firing Order as other GM V-8s 1-8-3-4-6-5-7-2. Take the distrbutor cap off and have some one crank the engine so you will know which way to place the wires CLOCKWISE or COUNTER CLOCKWISE. Then turn the engine until the timing mark is showing. then put the #1 plug wire on the corosponding position on the cap and place the rest of the plug wires on. If it fires up ypu are in business if not you need to move the plugs wires 180 degrees (or half around the cap and try again)


Probably just a typo up there...but the firing order is actually 18436572.

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15y ago

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