Quote:
Originally Posted by DGthe3
Something is very off. Motortrend (and others) regularly have pretty happy dynos, but this is insane. That car isn't making another 70 hp over advertised (let alone another 170 ft-lbs), not when it was SAE rated. I'd place my money on either a poorly calibrated dyno or a botch on the environmental inputs.
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https://www.motortrend.com/cars/chev...ults-followup/
Short version: they input a couple wrong estimates for drag losses. Aero drag was too high, and for some reason they ran it as if it were all-wheel-drive instead of rwd. Combined, they made the readings seem much too high. Calculation based on acceleration runs make for much more sensible power estimates.