Notice that they use the Dynapack dynamometer. This removes all tire
slippage from the equation since the wheels are taken off and the dyno is
bolted directly to the hub.
Paul L Fisher
Visit my website: http://www.paul-fisher.com
Amsoil dealer: http://www.paul-fisher.com/oil
-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of Bob
Sent: Monday, September 04, 2006 4:13 PM
To: shotimes@autox.team.net
Subject: RE: [Shotimes] N/A Dyno 318hp 279tq
I don't know. A wag: Probably less than 5%. Maybe Dinan would have an
opinion:
http://www.dinancars.com/whitepapersFile.asp?ID=9
I don't have an issue with the guy, just don't try to compare these numbers
with someone else's car.
> -----Original Message-----
> From: shotimes-admin@autox.team.net
> [mailto:shotimes-admin@autox.team.net] On Behalf Of Paul L Fisher
> Sent: Monday, September 04, 2006 1:57 PM
> To: 'Bob'; shotimes@autox.team.net
> Subject: RE: [Shotimes] N/A Dyno 318hp 279tq
>
> OK. But what are we talking, 10%, 20%?
>
>
> Paul L Fisher
>
> Visit my website: http://www.paul-fisher.com
> Amsoil dealer: http://www.paul-fisher.com/oil
>
>
> -----Original Message-----
> From: shotimes-admin@autox.team.net
> [mailto:shotimes-admin@autox.team.net]
> On Behalf Of Bob
> Sent: Monday, September 04, 2006 3:44 PM
> To: shotimes@autox.team.net
> Subject: RE: [Shotimes] N/A Dyno 318hp 279tq
>
> Because it reduces driveline losses through the tires.
> Unless this is a
> salt car, 70 psi is twice normal inflation which will cause
> less rolling resistance via a smaller contact patch and less
> power will be
> absorbed by the normally flexing sidewalls. In the real
> world, 70 psi would leave the vehicle with significantly
> reduced traction,
> but in this case, the tie-downs prevent slippage. This
> throws off the load calculations and creates an unrealistic
> environment.
> Most likely, the tuning was done under real world
> conditions and then the owner told the operator to get some
> good numbers.
>
> If someone wants to use a dyno as a simulator so that tuning
> can be done,
> the general goal is to get the dyno variables as close to
> real world as possible. This would include a real world curb
> weight with
> 1/2 tank gas and a driver.
>
> -- Bob
>
> > -----Original Message-----
> > From: Paul L Fisher [mailto:sho@paul-fisher.com]
> > Sent: Monday, September 04, 2006 1:03 PM
> > To: 'Bob'; shotimes@autox.team.net
> > Subject: RE: [Shotimes] N/A Dyno 318hp 279tq
> >
> > Huh?
> >
> > How does that increase your HP?
> >
> >
> > Paul L Fisher
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