This inspiring, you've been running 7psi on an untuned car for how long? With rich fuel ratios, do you have any problem with fouling spark plugs? or do you use a colder plug.
been since May 2008.
when im in boost im 12-12.x rich..and Im assuming so,I change them every 5+months.but I drive ALOT.
im running NGK-BKR7E-11 gapped to .032
idk what happend..it was after the run was over and he was slowing down or w.e happens after he lets off..ha yea it made a loud noise and followed by white smoke..haha