Quote:
Originally Posted by P51A
I disagee, muscle cars have a history of understating a cars horsepower. This was especially prevelant in the 60's. A perfect example was the Shelby 500GT KR, it was rated at around 350hp, but in fact had over 400. I has to do with insurance. It is more costly to insure a 600hp car than a 500hp car, so the manufactorers take that into consideration when posting numbers. 
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The HP rating has nothing to do with insurance and to think otherwise is obsurd. The fact is when you insure the car, it still comes up as a Mustang GT end of story. They dont know that it makes 510 or 300hp and I can not ever remember being asked how much hp my car made when I insured it. I do know from experience though that you can get a car once in a while that will be a "freak" car. My stage 3 threw down 400rwhp before I ever modded it. It would outpull stage 3's that had smaller pulleys and exhaust done to it no problem. So I do know that it happens, I just dont think its on a production run basis to understate hp.
Harry, no one is knockin the P-51 or trying to take anything away from it by any means. It is built the way these cars should be and it does have potential for incredible numbers. Thanks to the P-51 model we now have the means to go forged and put a bigger blower on these cars. Its definately paved the way for some new technology from Roush...
