07-13 Silverado 1500 4.8/5.3/6.0L ~ MSD Street Fire Coil Pack Swap

07-13 Chevy Silverado 1500 5.3L
MSD Street Fire Coil Pack Swap
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[@Gun_powder_therapy]

Thanks for the video. I need to do mine.

[@rollinassassin9499]

can you tell/feel a difference when idling or driving or any mpg gain????

[@Five3_Nell]

Maybe with the idling but not so much when driving

[@rollinassassin9499]

Any engine codes from lack of power to the coils ??? I’ve been looking to swap my coils out but I see a few videos where they have to upgrade the coil wire harness to send more power because the coils will misfire and throw an engine code