Re: 4.7 Dyno Run - Matt

From: steve preston (steve239dak@yahoo.com)
Date: Wed Dec 20 2000 - 22:35:48 EST


Wow.I`ve never heard of that.I do know that Sammy
Hagar and Van Halen first crossed at 5150! Steve P.
--- Will <mgrwburns@macconnect.com> wrote:
> >By definition torque and horsepower must be equal
> at 5252 rpm... it
> >is a physical law...
> >
> >Chris
> >
> >>I think if you see a dyno sheet and the tq/hp
> lines never cross,it is not
> >>really accurate.If it is measured correctly,the
> tq/hp lines will ALWAYS
> >>cross each other at 5250 rpm.I have seen this
> printed and spoken by engine
> >>builders and dyno test engineers.Just something to
> keep in mind,I could be
> >>wrong about this,just like anything else,but I am
> pretty sure about it.TTYL,
> >>
> >>Will Coughlin willcoughlin@hotmail.com
> >>'00 reg.cab,2wd,4.7L/hd5-spd/3.92sg(9.25")
> >>http://www.geocities.com/willcoughlin/index.html
>
>
>
> HP = (torque x rpm)/5252
>
> so, lets say hp = 270 ft lbs x 5252 / 5252 = 270hp
>
> so NOW, let's say torque = 270hp x 5252 divided by
> 5252 = 270 horsepower
>
> so yeah, they are the same as 5252
> --
> 66 Coronet 440 400-4 727
> 73 Swinger /6 A999
> Powermac G4 400
> Powerbook 3400

=====
1999 Dakota Sport 3.9V6,4x4,3.92 Anti-spin,42RE auto,Intense Blue,regular cab.



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