Tire pressure

brianw0048 · Feb 20, 2017

I'm sure I'm splitting hairs here, but in the mornings my tire pressure is 36 or 37 PSI. Once the tires warms up it comes up to 40.

Should I bump it up to 40 cold? Or leave it where it is?

Thanks.

UDCentaur · Feb 20, 2017

I was always told park on a flat surface. Check the pressure at a cold temperature. Even a few miles can cause psi to change.

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MADDOG · Feb 20, 2017

Set your tire pressure when cold. They will grow a bit, as you've noticed, when they heat up.

What tires do you have on the truck? What max pressure is specified?

It's a bit of a guessing game sometimes. I set my BFG's at 65 cold to start out and noted that I was getting a bit of uneven wear, with the tires wearing faster in the center of the tread. So I backed them off 10 psi and checked them again at 5K more miles. They had all evened out nicely. 65 psi was a bit high apparently and it was a bit bouncy. Backing off helped with the bounce, too.

Tire pressure

brianw0048

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UDCentaur

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MADDOG

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