Reducing the air pressure on warm tires results in under-inflated cold
tires. The tires are designed and rated for this. As the pressure in
increasing in all the tires, this is not an issue for the VC. In
addition, by the time a change in air pressure changes the dynamic
rolling circumference of a tire; it will quickly heat up and destroy
itself as the sidewall has to flex to take up this difference.  This is
the cause of most blow-outs.

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
Of Jason Willenbrock
Sent: Tuesday, July 20, 2004 2:36 PM
To: vanagon@GERRY.VANAGON.COM
Subject: syncro-tire pressure

hey all,
my recommended tire presssure for my 14 inch wheels on my 87 syncro
westy is
36 in front and 40 in rear.  so this psi is done when cold.  after
driving a
some highway miles in this heat the tires heat up significantly and the
pressure of course increases.  the increase is 4 psi all around.  should
i
adjust for this increase and let air out, or is this increase taken into
consideration and allowed for?  i don't want my new vc to be working
anymore
than it has to. so do i let air aout when a lot of driving is going to
be
done, or just don't worry about it and make sure the psi is the same on
the
rears and the fronts?

thanks
jason

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