[Healeys] Conclave tire pressure change

[richard mayor]

Who knew this would have any controversy?  The tire pressure change had
nothing to do with temperature.  The only difference is in altitude. Just
like the percentage change of oxygen in the air as you go up in altitude,
there is a change in the atmospheric pressure as you go up in altitude ....
they both go down.   The pressure in the tire, as measured by the gauge, is
relative to the ambient pressure.  I knew this before leaving Portland so I
lowered the pressure in all my tires to 29 psi.  I had assumed that the
pressure would go up about 3 pounds.  It actually went up 4 pounds.
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