Hey everyone, I have a 2003 Mustang GT, and I was wondering what spark plugs you guys might be using on the same type setup. Just let me know what plug and temperature and that would be great. I have only gotten the car about 6 months ago, and I still have a lot to figure out in terms of what I should be running with the supercharger on it. Any help would be appreciated!

 

I know on my ProCharged '13 5.0, they recommended plugs were 1 heat range colder than stock. Also gapped smaller at 0.030.