RE: HP AND TORQUE NEEDED

From: Sam Parthemer (rtdkota@yahoo.com)
Date: Tue Mar 21 2000 - 15:17:44 EST


Hmm.. it is purely driveline lose, so... I guess the
new auto for the 4.7 is more efficient than the
46RE...

Sam '00 RT

--- Stlaurent Mr Steven <STLAURENTS@mctssa.usmc.mil>
wrote:
> The factor is more like .83 for the 4.7L PowerTech
> V-8. I will need to
> prove this on a Dyno run in April (Escondido area).
> I have seen the Dyno on
> a GC Jeep with a 4.7 and it read around 195 at the
> rear (stock).
>
>
-----------------------------------------------------------------
> Steven St.Laurent
> Test Engineer
> Test Branch, GSD,MCTSSA
> MARCORSYSCOM, US Marine Corps
> mailto:stlaurents@mctssa.usmc.mil (work)
> mailto:Saint1958@home.com (home)
> Office: (760) 725-2296
>
> -----Original Message-----
> From: Sam Parthemer [mailto:rtdkota@yahoo.com]
> Sent: Tuesday, March 21, 2000 10:44 AM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: HP AND TORQUE NEEDED
>
> I believe it is rated at 250 hp, 335 Ft./lbs.s of
> torque, or roughly.. 250 x .8 = 200 hp at the
> wheels,
> and 335 x .8 = 268 ft./lbs. of torque. That's real
> close, as my '00 RT stock did 203 hp @ 270 ft/lbs...
> I recently dyno'd it again after headers, 1.7s, and
> Gen II.. 227 hp & 320 ft/lbs... or 227 /.8= 283.5
> hp
> and 320 /.8 = 400 ft/lbs at the flywheel. Probably
> +-5% of those figures would be a good range. The
> 4.7L
> with a 5 spd would be hp x .82 to get rwl HP/torque.
>
> Sam '00 RT
>
>
> --- Kyle Kozubal <grndak4x4@home.com> wrote:
> >
> > ----- Original Message -----
> > From: Frank Johnson <frankwjohnson@hotmail.com>
> > To: <dakota-truck@buffnet.net>
> > Sent: Tuesday, March 21, 2000 11:23 AM
> > Subject: Re: DML: HP AND TORQUE NEEDED
> >
> >
> > > 4.7 is 235 hp and 295 ft/lbs
> > > 5.9 is 250 hp and ??? ft/lbs--dunno
> > >
> > > Frank WJ
> > >
> > >
> > > >
> > > >Ok the other day I got the HP ratings for the
> > 4.7L and the 5.9L R/T now
> > > >(sorry) but can I get the torque ratings on
> these
> > two?
> > > >
> > > >4.7L = xxx HP & xxx Torque
> > > >5.9L = xxx HP & xxx Torque (R/T)
> > > >
> > > >TIA
> > > >Dennis
> > >
> > >
> >
>
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