You should aim for 4 to 8 degrees hotter on the inside, and the center temp
to be in the middle of the temp range. On a clockwise course check the L/H
side tires.
Example:
Inside 150 center 147 outside 144
Barry Spencer
----- Original Message -----
From: "Alan Gruner" <algruner@yahoo.com>
To: "Jerry Mouton" <jerry@moutons.org>; "Michael R. Clements"
<mrclem@telocity.com>; "Bay_Area_Autocross_List" <ba-autox@autox.team.net>
Sent: Monday, April 08, 2002 2:44 PM
Subject: Re: Tyre pressures, was great school
> The wisdom I have heared is that you want the inside
> about 20 degrees hotter than the outside.
>
> --- Jerry Mouton <jerry@moutons.org> wrote:
> > Michael,
> >
> > Have you checked with a pyrometer? Next time I'm
> > there
> > ask me, you can use mine. Temps should be even
> > across
> > the tread.
> >
> > Jerry
> >
> > Jerry Mouton mailto:jerry@moutons.org
> > Laissez les bons temps rouler!
> >
> > ----- Original Message -----
> > From: "Michael R. Clements" <mrclem@telocity.com>
> > To: <kirkm@zeta-idt.com>; "'james creasy'"
> > <Black94PGT@pacbell.net>; "'Autocross'"
> > <ba-autox@autox.team.net>
> > Sent: Monday, April 08, 2002 1:41 PM
> > Subject: RE: great school
> >
> >
> > > Kirk,
> > >
> > > Are you talking about a '93 Mustang? If so,
> > doesn't that car weigh like
> > > 3300 lbs. with more than half over the front
> > wheels? So we're talking
> > > about cars that are roughly 1,000 lbs. lighter
> > with close to 50/50
> > > distribution. I would expect lower pressures, but
> > how much lower?
> > >
> > > James, your pressures seem low even for your light
> > car. But maybe I
> > > should try it. The treadwear goes all the way to
> > the sidewall corner but
> > > not over. So maybe I can go even lower?!? At that
> > low pressure I'm
> > > afraid of damaging the rims. Maybe I shouldn't
> > worry about that until
> > > the treadwear starts coming over the corner of the
> > tire.
> > >
> > > On my 2850 lb. RX-7, using V700s, I got the best
> > sticktion at 30 F / 28
> > > R. Using R1s on that car, the sweet spot was 29 /
> 27.
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