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Re: tire pressures in the wet

To: sam strano <strano@stranoparts.com>
Subject: Re: tire pressures in the wet
From: Gail/Sid deLeon <deleon@sstar.com>
Date: Thu, 11 Jan 2001 16:18:10 -0600
Did these tires get wet in a puddle of coolant from
a car i worked on?
Sid

sam strano wrote:

> At 08:15 PM 1/10/01 -0500, Karen Rafferty wrote:
> >I pulled the following from Kumho's web site:
> >
> >   "Most cars should begin by using cold inflation
> >   pressures for wet track conditions that are 5 to 8
> >   psi below the cold inflation pressures they use in
> >   their tires for a dry track."
> >
> >I always thought the opposite was true - that you
> >*raised* pressures by 5 or so psi for wet conditions.
> >Which is correct?
>
> I've always dropped mine if it's really wet.  I never saw the reasoning
> behind adding air, and thereby adding spring rate to the tire in slicker
> condidtions.......  You don't have the grip, and won't be deforming the
> tire as in the dry...........
>
> I also know one reason given was so the tread "v"-ed out and supposedly cut
> through the water better.  I don't buy that either.  That is a minute
> amount, and I think would be more than lost by the stiffer sidewall.
>
> JMHO though.  :-)  And you know me, I have plenty of those.
>
> Sam

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