A stock TT supra is rated at 315lb-ft of CRANK torque at 4000rpm. HP = torque * RPM / 5252HP = 315*4000RPM / 5252 240hp = 315*4000rpm / 5252 Thats about 208HP at the wheels at 4000rpm with a 15% loss in the tranny. I wasnt too far off. But you are off more than I was by saying 275-300rwhp at 4000rpm. I would imagine that supra is still very drivable on a regular street. I definately wouldn't complain. : That chart shows about 175rwhp AT 4000rpm.. even worse below.
: Stock supra should be at or near full boost at 4000rpm. thats ~275-300 rwhp. : 3.5k-4k rpm is at a full 100rwhp deficit w/ that turbo. ~150-200rwhp deficit below "BPU"ish. : Very impressive max power #'s. But *definitely* more laggy than stock. way more.
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