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If you know the weight of your car (with you in it) and have a
quarter mile time slip this calculation will estimate the rear wheel HP of your car based on the trap speed in MPH.
How accurate is this result? At SMOKEmUP.com we believe this HP calculator is the best on the web bar none.
Check out what other people have to say about it. If you have chassis dyno'd your car, have a timeslip, and know the race weight of your car please post your results