Forum Discussion
JaxDad
Jan 15, 2018Explorer III
AlaskaShooter wrote:
With the extreme cold you will loose 1 psi for every 10 degs lower the temp is from when you last checked the air pressure. Then take a tire gauge with you as you head south and check as the temps warm and release air as needed to keep the pressure at manufactures specs. Safes on tire wear and insures proper handling of your rig.
True, but since the pressure increases at the same rate and tires heat up as they roll, within an hour they are at about 90 deg F regardless of ambient temps.
So if you set the tire pressure at 0 deg F then start driving very shorty the pressure will be about 9 deg higher than what you set it to.
“Cold” tire pressure recommendations are based on about a 65 deg F ambient temperature at the time of taking the reading.
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