just put in new MSD COIL PACKS&BRISK PLUGS on my 05 gt.can feel a difference all ready.getting it dynoed again to see what the gain is, if any.5.0 just did one with a blower and gained a lot.i'll be back with the out come.


coil packs were $389.99 plus shipping.ordered from mike at SPEED UNLMITED great to work with and talk to.plugs from Steeda $146.00 counting shipping.you have to regap the plugs.first chance to get out on on the car today,and you can feel the differance from about 2500 rpm up.it bites big time.there is a gain in both hp&torq.5.0 n the new issue put the packs on a blown 04 gt and gained 40 hp according to the story.i'd be happy to get half that.i'm hopeing to get in to dyno this week to see.just had it done2 wks ago and with steeda cai+the inlet tube,preditor tune,and mac axle backs,plus the dyno tune came out with 292 hp,and289 torq on 91 octane.i'm hoping to go to 300 at least.i'll post after![]()
What did you gap the new Brisk spark plugs to. Did you gap to factory spec or something different because of the hotter coil packs which I also have on my stang.