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How to convert MPH to HP??

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Old 01-22-2003, 05:58 PM
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How to convert MPH to HP??

What is the conversion if there is on for MPH to HP? The MPH on the run was 115 and I am curious what the HP would be (6spd car).

Any guesses if there isn't a converson? My guess is like 375rwhp. Does that seem close?
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Old 01-22-2003, 06:01 PM
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no 115 is not 375 LOL
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Old 01-22-2003, 06:04 PM
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if I had to take a stab i'd say 325 flywheel horsepower....
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Old 01-22-2003, 06:06 PM
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I don't think there is away to do it
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Old 01-22-2003, 06:09 PM
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i dont know about those guys but
375 is a fair guess for R.W.H.P. for that mph

try speedworld.com think they have method
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Old 01-22-2003, 06:10 PM
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i think it is possible but it would be a mathematical formula a page long and come with a battery operated mathmatician to interpret it for you. more horsepower is quicker acceleration (obviously...) and it means top end... i got 300 horsepower and my top end is roughly 170... but its so much more complicated than that i've already got a headache...
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Old 01-22-2003, 06:31 PM
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Maybe I wasn't clear enough.

It is a full weight 95 M6 camaro with head/cam stock gears. It trapped 115 in the 1/4.

I know 300rwhp ls1s trap 105. at sea level.

The above car was at sea level so I was just curious what it might be making to the ground. I haven't seen any sigs that could give me a better answer.

So if you are reading this and trap 115 or so, what is your RWHP?
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Old 01-22-2003, 06:34 PM
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OHHHHHH your looking for a comparison between hp #'s and the speed you trap at... i c i thought you were looking for what top end equals to horsepower... nevermind...
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Old 01-22-2003, 06:41 PM
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Why not just pay the 50-100 bucks and find out, rather then guessing around?? You've spent the money to make your car fast. Put a few more bucks in to find out how much you'e pumping

Alex
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Old 01-22-2003, 06:44 PM
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If the numbers were from my car, I would have. The numbers aren't from my car, but a friends.

-Sean
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Old 01-22-2003, 06:44 PM
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www.speedworldmotorplex.com
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Old 01-22-2003, 06:48 PM
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I'd say 360+ rwhp, 420+ at the flywheel. It trap 110 with 327 at the rear wheels
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Old 01-22-2003, 06:48 PM
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Thats the one Thanks
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Old 01-22-2003, 06:53 PM
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Dang...let's bash the guy for asking a simple question.

I can't seem to find a very good equation. Here's one that I've had bookmarked for a while, but I think it seems off a bit.

Last edited by 95CamaroZ-28; 01-22-2003 at 06:56 PM.
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Old 01-22-2003, 07:25 PM
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HP=(mph divided by234)cubed X weight
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