A 10 second 1/4 is actually quite hard with a supra because of traction. Now if you are messing around on a freeway then that's a whole different story. Those things are the **** from a 70 mph roll. 
2001 Infra-Red ZX3 5-spd Bat Inc. 2"drop, AFX udp, diablo chip, custom shorty antenna, short shifter, titanium pedal set, ford racing seatbelt pads, kumho 712's, clear corners, str cam gears, indiglo guages, prothane engine mount, red custom painted interior, 5%tint on rear/20% on front, North Viking spoiler, focussport oil cap, custom cat-back exhaust, and 50 shot nx kit . Team Dezert Focus
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I can tell you that it's well over 600HP at the wheels. I am also looking at an expensive upgrade before it leaves Phoenix to raise the HP even higher!