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RE: Tyre pressures, was great school

To: "'Jerry Mouton'" <jerry@moutons.org>,
Subject: RE: Tyre pressures, was great school
From: "Michael R. Clements" <mrclem@telocity.com>
Date: Mon, 8 Apr 2002 14:20:44 -0700
Thanks, I would appreciate that.

> -----Original Message-----
> From: Jerry Mouton [mailto:jerry@moutons.org] 
> Sent: Monday, April 08, 2002 14:10
> To: Michael R. Clements; Bay_Area_Autocross_List
> Subject: Re: Tyre pressures, was great school
> 
> 
> 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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