Maybe this will give you some perspective:
2020 Z4 M40i, same wheel specs as the Supra, had plenty of wheel spin since it wasn't a drag strip, and Dragy was reading 2 mph slower than the digital gauge in the car (overcast skies may be the cause?).
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Project Car: DF Goblin
-Built LSJ-T
2021 C8 Corvette 1LT
2021 Model Y Performance
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