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My '04 TL was rated 270 HP when it was released. Under the new SAE standard the power "dropped" to 258 HP.
Also, when measuring the HP at the crank from the results of a dyno pull, you should take the whp number and divide by the difference of 100% and the drivetrain loss. Multiplying by 1.15 is incorrect. You should divide by 0.85.
300 whp / 0.85 = 353 HP, whereas 300 * 1.15 = 345 HP.
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