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Old 06-08-2015, 08:33 AM   #21
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Fonzie, I have a decal on the side of my Rockwood and it states that the tire pressure should be 50 psi but the tires are marked as 65 psi ???????
Need to know more info on trailer you have: year, model, gvwr and then all info of tires on sticker and info on actual tires.....then I and others can comment
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Old 06-08-2015, 09:48 PM   #22
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My RV is in storage for the week, I will reply next week after I check the tires
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Old 06-08-2015, 10:20 PM   #23
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Well let's say, start at max rated pressure, COLD. Then drop pressure only if tread wears in middle. you are likely to wear the tire out before treadwear becomes an issue. And when I say where the tryout I mean it gets so old you have to replace it before whatever we're out and in the process you'll get much better mileage and much easier towing.
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Old 06-09-2015, 08:03 AM   #24
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My big question should have been, why did FR put a label on the RV which is different than the rating on the tires?
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Old 06-09-2015, 09:54 AM   #25
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Good question

I have never seen a a tire recommendation that was not for max. ie. LOAD RNG C 50psi load RNG D 60 etc
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Old 06-09-2015, 09:58 AM   #26
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One of the reasons that you do not run the tires too hard is that the flex in the sidewall is part of the suspension. The more air you add the harder it bounces.

The air pressure is part of the design.
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Old 06-09-2015, 04:20 PM   #27
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My big question should have been, why did FR put a label on the RV which is different than the rating on the tires?
The reason a tire manufacturer puts the maximum load capacity of a tire on itís sidewall is to provide all users with a value not to be exceeded. The psi value is the minimum amount of inflation pressure needed to obtain that maximum load capacity.


Vehicle manufacturers can set the recommended inflation pressures on the vehicle certification label to a lower value than what is on the tireís sidewall. However, the value they set must, at a minimum, provide enough load capacity to support the trailerís total GAWR per axle.


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Old 06-09-2015, 05:51 PM   #28
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Sounds like if I don't overload the RV I should , to be safe, inflate a couple of psi above FR suggestion
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