Boosted - I'd say something definitely isn't right with your friends set up. That is very low. The IC could be restrictive, but I wouldn't think it would be that restrictive. With 272 cams, he should be at least upper 700's to the wheels.
I ran the Supra at the track on Friday night, didn't do near as well as I was hoping. I couldn't hook up at all, 60 ft's usually around 2.4-2.5, and pedalling it through the first 3 gears. At only 25PSI I was able to run a 12.0 @ 135MPH. Upping the boost only made traction worse, and I ran slower. If I could have hooked up on 31PSI, I think I would have been very close to 140 traps.