Originally Posted by superhog88
Is it absolutely necessary to run dual spark plugs
Can you only fire one plug
Will the engine run properly
Is there a horsepower advantage to two vs one


The stock coils fire both at the same time, unless you're planning on aftermarket wires/coils?

1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
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