found a 07 mustang gt, 28,000 miles, 1 owner older guy bought it new, mods are a vortec supercharger, its got the auto tranny that iam wanting, 4.10s, new torque converter, he says its got a mild tune, showed me dyno sheet, 368 rwhp, a couple time sheets 11.78 at 112 mph, it really drives out...