Yep that wont work.90 mustang with a 347 with a xtrim vortech making 22-25# of boost. i have a 6al right now is their something better or somethings else to lose. feels like on the dyno on the top end like the spar is blowing out. tha plugs aare gapped at .18 thanks
The best way to compare ignition systems is the amount of energy delivered to the spark plug. This is rated in millijoules.WHAT ABOUT A 7Al-2 BOX?