Quarter mile results? The trap speed says the most about horsepower. This 480 hp 3850 lb car hit 121 mph . . . there are plenty of drag oriented cars with similar ratings that can hook up but still can't achieve that. Yes, I am suspicious. My guess is still 510-515 bhp. a 7-8% difference in power (if only that much) is a pretty major difference. I'd gladly take a 7-8% boost in power in any of my vehicles.
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