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Old 06-01-2016, 10:51 AM   #11
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You may want your tires to be up to temperature before adjusting pressures to the "footprint". My tire pressure monitors show about a 18psi difference from cold to highway temperature. Not sure how accurate the sensors are tho.
This kind of threw because every piece of literature says to measure cold tire pressure, but it makes sense. I had to get a nail pulled and patched and the tire guy agreed, chalk test needs to be done when at operating temp.

Make sure to take a cold pressure reading after the test so you know what to shoot for. By the way, make sure you get a good pressure gauge, I have 3 and they vary by up to 5 PSI when dealing with high pressure!
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Old 06-01-2016, 12:37 PM   #12
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I used to run 100 lbs in my tires until I saw the recommended tire pressure sticker from Forest River inside the rig, on the wall behind the drivers seat stating all six should be run at 90 lbs. which is what I've been going by since.
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Old 06-01-2016, 05:39 PM   #13
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I used to run 100 lbs in my tires until I saw the recommended tire pressure sticker from Forest River inside the rig, on the wall behind the drivers seat stating all six should be run at 90 lbs. which is what I've been going by since.
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Old 06-01-2016, 05:49 PM   #14
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Just got back from a trip with new tire pressure monitors, all tires set at 90 when cold.
While driving the inner rear tires got up to 108 while outer rears were at 98, fronts stayed at about 94-97 range.

I will be lowering mine to 80-85
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Old 06-01-2016, 10:14 PM   #15
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The sticker is misleading in that it assumes maximum weight.

Weigh your coach and follow the load tables for a more enjoyable experience.
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Old 06-01-2016, 10:49 PM   #16
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The sticker is misleading in that it assumes maximum weight.

Weigh your coach and follow the load tables for a more enjoyable experience.
You are 100% that's why we tell everyone they need to get weighed.
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Old 06-07-2016, 08:53 AM   #17
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After reading this maybe I don't need to upgrade my shocks to get a better ride! My sticker in the coach says 100 PSI so that's what I've been keeping them at! I was looking for an excuse to head somewhere! Now, where is this chart?...


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Old 06-07-2016, 09:24 AM   #18
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Randy, head to the scales and get weighted. Although weights for each tire would be nice, I think its an overkill.

Weight for each axle is ok, (front and rear). Then use the table that comes from your tire manufacture. It will give the minimum pressure for each tire when used as a single or dual configuration.

My placard from Coachman says to run 100psi in each tire, after weighing, the tire manufacture says the minimum I could run is 70 psi.
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Old 06-07-2016, 10:50 AM   #19
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When I think of the lay out and storage areas of my rig I just wonder how much difference there could be from tire to tire. I would assume that the main weight of the front is from the engine and set up while the rear wheels carry more of the house and storage. I would guess that when our F53 chassis' are used in a commercial application they don't weigh their trucks and adjust tire pressure daily to reflect how the load of the day is placed in the trucks, it would take to much time. which we all know is money. My guess is they use a set pressure and roll with it. Sometimes reading these forums some of us RV'ers are looking to get the performance and ride from our rigs that one may get in a BMW instead of a boxed house on wheels.
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Old 06-12-2016, 10:33 AM   #20
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After reading this maybe I don't need to upgrade my shocks to get a better ride! My sticker in the coach says 100 PSI so that's what I've been keeping them at! I was looking for an excuse to head somewhere! Now, where is this chart?...


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Click on the hyperlink in the first thread.
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