DeTomaso Mailing List: July 2001, Message #99

didn't the list agree about 22-30% last time this subject was raised
----- Original Message -----
From: Scott Carpenter <scottcar@scottcar.org>
To: Multiple recipients of list <detomaso@realbig.com>
Sent: Thursday, July 05, 2001 2:58 PM
Subject: RE: Dyno pull video


> Does anyone know the correct equation for converting rearwheel horsepower
to
> determine the flywheel horsepower?  I had my Pantera on the chassis dyno
> last week and I came up with 318.8 HP and 320.6 lb/ft of torque at the
rear
> wheels. (BTW I have pictures on my site:
> http://www.scottcar.org/pantera.html )  The guy running the dyno said you
> basically lose 15% through the drivetrain.  So he did this on the
> calculator:  318 / .85 = 374 (rounded) so he said I am making about 375 at
> the flywheel.  I was a little dissapointed as the car was supposed to have
> 350 stock.  And the previous owner put a fair ammount of money into the
> motor, so I thought it would have been a little higher.
>
> I see that on Geoffs dyno sheet he made 398 at the rear wheels but
indicated
> 550 at the flywheel.  Using my equation it should only be 468 at the
> flywheel.  Is it possible that I am using the wrong equation?  BTW Geoff
the
> car looks great!! (I'm still trying to get the video to download at the
> moment... )
>
> Scott Carpenter
> #1523
>
>
> -----Original Message-----
> From: bounce_scottcar-40scottcar-2Eorg@realbig.com
> [mailto:bounce_scottcar-40scottcar-2Eorg@realbig.com]On Behalf Of Geoff
> Swavley
> Sent: Thursday, July 05, 2001 9:27 AM
> To: Multiple recipients of list
> Subject: Dyno pull video
>
>
>
> Well .... we did the dyno pull on 9365 Wed afternoon, and I've changed
> my web page to include it for those that are interested. It actually looks
> as though 9365 will be back on the road after 2.2 years of being off
> the road! The video is short and the pull I recorded only takes
> the engine to 5000rpm (6500rpm redline). She is making 398hp (296kw)
> at the rear wheels. I won't even begin a short version of the drama's
> during the last two years (you'll have to wait for the full frustration
> relief version!!). So ... if you want to see & hear 406ci of fuel
> injected, 11:1 compression, roller everything, forged everything,
> steel everything and aluminium everything (in he right places) motor go
to:
>
> http://www.radx.net/~geoffs/detomaso.html
>
> I'll start working on the details and full story .... alternatively
> you can gather together a large number of $$$$ and just set a light
> to it!!
>
> geoffs :-)
>
> ----------------------------------------------------------------------
> Geoff Swavley                       Email : geoffs@radx.net
> UNIX Sys Admin                      Snail : Level 8, 10 Valentine Ave,
> Support and Network Operations              Parramatta   NSW   2150
> Dept of Land and Water Conservation         Sydney  Australia
>                                             Phone : 61-2-98957125
> http://www.radx.net/~geoffs                 Fax   : 61-2-98957086
> Mobile: 61-425-224475 / 61-2-83004475       Home  : 61-2-83389510
> ----------------------------------------------------------------------
>   "Modern art is what happens when painters stop looking at women
>    and persuade themselves they have a better idea." - John Ciardi
>
>