[s-cars] Tire Pressures

[mlp5]

How many variables do your experiments control for?
Hot/cold tire temp/pressure reading?
Tire contact patch size ~ are 17's bigger than 16's, 255's bigger than 245
or 225's?
Gauge or absolute pressures? i.e., does ambient altitude pressure count?

mike

>-----Original Message-----
>From: Bill Clancy [mailto:clancybill at yahoo.com] 

>I have to ask...
>
>has anyone really experimented with pressure?   Cuz I have.
>
>----- Original Message ----- 
>From: "mlp5" <mlped at qwest.net>

>> Street @ 36 f/r; track between 38 & 40 front, 36 rear.  But 
>then again we're at 5,200 ft+ most of the time.
  
>-----Original Message-----
>From: s-car On Behalf Of Lee Levitt
>
>I run 34 front/rear on my 255/40 17's.

and from Bill's experiments, Sent: Tuesday, May 18, 2004 9:25 PM

Has anyone done any trial and error?   I did and I ended up with 32 psi on
my stock 16x8's.    with 34-36 the car feels slippery on the highway.  28-31
and it feels muddy -- not to mention that I am sure it would wreck the
tires.

I have no experience with 17's but i did spend a fair amount of time fine
tuning the pressure with the 16's.