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Old 08-27-2015, 08:27 AM   #1
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mwwade's Avatar
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Location: Elk City, Ok.
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Your thoughts appreciated!

I have read much on this web site dealing with coach weight vs. tire pressure. I want to install crossfire air monitoring systems on the rear duals. The problem is the crossfire system has different air pressures pre set for what exact air pressure you want to run in your tire. Since the tire industry has come up with a weight/tire pressure formula, our tire pressures will change because of the amount of weight we carry. My 22.5 tires will handle 110lbs. Max. What would be wrong with using a crossfire with a max. Setting of 105lbs. This way I would be safe as not to under inflate the tire. I have ran 110lbs in the tires, and I really can't complain about the ride. I have used the crossfires on other vehicles and they work great. They are easy to to adjust the air in both tires at the same time. As well as easy examination of the the air pressure on the gauge.

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Old 08-27-2015, 05:20 PM   #2
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Don't have any experience with the Crossfire system but here's a link to Michelin's RV tires and their weight/pressure recommendations.

RV tire brochure

When I first bought my coach I had 100psi in each tire and just about lost the fillings in my teeth. Had the coach weighed, could only get weight per axle. Based on that my XRVs were recommended at 80 front and 90 rear (duals). Really improved the ride. Wear patterns are uniform. No excessive heat in tires on the hottest days. Minimal pressure rise when warm. Working for me.
2001 Monaco LaPalma
Workhorse W-22
Chevrolet 8.1L
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