What do you suggest along with plug gap or are you guys running a factory plug and gap?

 

This question would likely be better addressed in the FI forum, but the FI guys I've spoken with all run aftermarket ignitions(MSD...Jacobs) and copper plugs(mostly NGK) one or two heat ranges colder in high boost(heat) applications. If you get the high energy ignition you generally increase the gap as much as you can get away with. This will vary with each application, ignition system, and plugs, so you'll have to experiment a bit to get it just right.

 

NGK-BKR7-E gapped at .036-.036

runnin those on a 6psi JRSC GSR