Quote:
Originally Posted by ChuckD
No. It's a 662 hp car - as validated on engine dyno with SAE certification.
From SAE:
"To tout power and torque ratings as "SAE-certified," engine manufacturers must have an SAE qualified witness watch over the entire testing procedure to ensure that it is conducted in conformity to SAE standard J1349."
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it might or might not be 662hp at the crank but we know its a legit 600+rwhp car. ZR1's only typically dyno 530-540rwhp so the GT500 is extremely efficient at putting it down to the wheels it seems