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Old 07-09-2020, 10:12 AM   #1
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Tire Pressure

One thing I don't see talked about much with all the conversations on suspension upgrades and ride control is tire pressure. I inflated my tires to the 92psi rating listed on the sticker and went for a test drive. I will note here that they were terribly under inflated. That made a difference in ride and handling. I then inflated my tires to 102psi, (max is 110) and again went for a test ride on the same roads. Again a nice improvement. We are not talking a fix all here, but observation is keep your tires inflated. If you really wanted to do it right you would load your rig up with everything so the weight of your coach is as close to your normal and go weigh it, front axle, rear axle, complete coach. Then go to the tire manufactures website look up their recommend PSI for the weight. I installed a tire PSI & temp system to keep an eye on thing and notice how hot the tires get. This can be caused from being under inflated. All tires get hot, but under inflated tires flex more which will cause them to wear faster and get hot.
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Old 07-09-2020, 12:06 PM   #2
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92 psi is the sweet spot for me....
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Old 07-09-2020, 12:34 PM   #3
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My posted tire inflation sticker is 82. I maintain mine at 86 cold. Very good ride, tried higher cold psi and found the ride very harsh. My tire minder never indicates tires above max 110 PSI. Tires are now 6+ years old. I’ll replace due to age before I ever wear them down.
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Old 07-13-2020, 07:42 AM   #4
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I inflated mine to 100psi to start our trip out west from Indiana.... by the time I got to the higher altitudes + blazing heat of Utah we were running 130PSI - yikes! Had to back them down a bit.

I have been running 98-100PSI cold when fully loaded - had a blowout last year on an underinflated rear interior tire so I have certainly been more aware of tire pressure since then!
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Old 07-13-2020, 07:29 PM   #5
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My wheels have 110 psi on them. Is that max pressure or max cold pressure?
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Old 07-13-2020, 07:42 PM   #6
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Quote:
Originally Posted by Brand2328 View Post
My wheels have 110 psi on them. Is that max pressure or max cold pressure?


Cold.
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