868 & 863whp Dyno pull, Celica Alltrac ST-185, Full Exhaust

These 2 back to back runs were at 43psi falling to 39psi. Right at peak torque, (7000rpm) the tires spun on the dyno on both runs. Apparently the front was doing a wheelie, so we put a a different strap across the front straps. Needless to say the 47psi run was just ridicules