Re: Rear Wheel Horsepower

From: Chad (mcc@negia.net)
Date: Fri Jun 25 1999 - 08:41:05 EDT


All of these different online HP calculators, and the Gtech, how do they
measure HP. Flywheel or Rear Wheel?

Thanks,
        Chad

James Harmon wrote:
>
> To answer a query about rear wheel hp and flywheel hp, you loose about 40% due to
> the drive train. factor that out from the 245 hp for the 360 engine and that
> gives you around 166 hp (with 68% efficiency). The stock 318 runs only around 153
> hp at the rear wheels. This is the reality and not the DC hype. That is why some
> people are not too impressed with a 225 +17 hp at the rear wheels for my truck.
> That is until they realize what it really means - 355 hp at the flywheel. And
> that is without a supercharger. Our eventual goal is to get around 270 hp at the
> rear wheels or almost 400 hp at the flywheel.
> Jim
>
> Bernd D. Ratsch wrote:
>
> > I was mainly giving a average example. I personally don't know what the
> > rearwheel HP is of an R/T...but it should be above 200 IMHO.
> >
> > At 03:15 PM 06/24/1999 -0400, you wrote:
> > > Bernd wrote "Doesn't that sound a little bit low for the HP gains??
> > >The average gains from the Paxton's are 40%. Now take a (low powered) engine
> > >at 200HP and
> > >that gives you an 80HP boost. (The R/T's should be well above 200HP.) "
> > >
> > > Bernd, are you talking, at the rear wheels ? 200 hp..
> > > Ted O.



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