When it was dyno'd, it wasn't tuned? It's hard to tell what's really left on the table, my car found about 20 to the wheels after the tune.
1999 WS6, 6Speed, 6.0L, 243's, Fast 78, EPS 226/234 .598/.601, Hooker LTs, TSP Y pipe, Monster stage 3 clutch
1976 Firebird, Balanced 400,PERFM RPM Intake/750CFM Carb, Ported 6X-4 heads, Hooker LT's, true dual 2.5"exhaust, XE274 cam ADV 4*
Under Construction:01 Pathfinder, 70 Firebird