RumbleRumble Posted December 11, 2016 Share Posted December 11, 2016 Anyone ever use a MSD srt-4 coil pack for there car? Did you run hotter plugs or change the gap? Was it worth it? Link to comment Share on other sites More sharing options...
xrayspecs Posted December 12, 2016 Share Posted December 12, 2016 I looked into it and didnt see any major gains to be had from changing the coil pack i looked all over and nasioc has a few n/a threads on this but i wasn't convinced to make the change. Ive run hotter plugs and just went back to oem, cause it didnt make any butt dyno difference during my daily drive. Link to comment Share on other sites More sharing options...
Matty2Hotty Posted December 13, 2016 Share Posted December 13, 2016 +1 i researched the same and never did on any of mine. Link to comment Share on other sites More sharing options...
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