Towing and Tow Vehicles > General Q & A

Tire Pressure

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Mitch:
Anyone increase their tire pressure when they tow?  I've been poking around the internet and it seems that a fair number of people do.  I've never done that but I'm thinking it might change my ride characteristics for the better.

Stevepro172:
you should run your tires at max pressure to get the most payload available.  I would however NOT go over the recommended max cold pressure trying to get better ride/handling.

Inspector Don:
Just a note on tire pressure; The load rating is based on Max pressure. Most RV manufactures use tires that just meet the requirements for max load if inflated to max pressure. I have seen some cases where the valve stems used are not rated for the max pressure of the tire. Many of the tires have a speed rating that is less than the speed limit on most Highways. Heat is an issue in many of the southern states, and a tire that is out of balance will generate more heat than a balanced tire. A tire can be perfectly balanced and if it is out of round, it will react much the same as a tire that is out of balance.

Mitch:
Good info, thanks. I was actually thinking of raising tire pressure on the tow vehicle not the trailer. Any thoughts?

djsamuel:

--- Quote from: Mitch on May 04, 2018, 07:49:09 AM ---Good info, thanks. I was actually thinking of raising tire pressure on the tow vehicle not the trailer. Any thoughts?

--- End quote ---

I raise the tire pressure in my truck about 5psi when towing. It is still below max pressure.

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