I promise...last psi question
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โJul-04-2018 04:11 AM
I have mixed feeling about this and would appreciate your comments. By the way, I have had a steering stabilizer and rear trac bar installed. These have helped but...
2005 Honda CRV Toad
Invisi-brake
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โJul-05-2018 05:36 AM
2007 Holiday Rambler Navigator 45' DD Series 60
2019 Dodge Ram 1500 Limited
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โJul-04-2018 11:54 AM
Are all of your tires increasing more than 15-20% above recommended cold inflation pressures? There are two thoughts that come to my way of thinking. The tires may be entering into a form of fatigue/tread separation. Or, they are overloaded. Some troubleshooting into what loads they are carrying may answer the overheating condition. Side note, make sure your inflation gauge is accurate.
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โJul-04-2018 11:11 AM
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โJul-04-2018 10:36 AM
Get weighed and pressurize accordingly.
80 psi is your max? What size tires are these? My tires are Max 110psi cold. I'm running at 80 given my weight.
2018 Newmar Baystar 3414
2022 Ford Escape Hybrid TOAD
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โJul-04-2018 10:29 AM
lower than it would have been had I started at the recommended rate" NO!
Sold 04 Dynasty to our son after 14 great years.
Upgraded with a 08 HR Navigator 45โ...
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โJul-04-2018 07:30 AM
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โJul-04-2018 06:58 AM
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โJul-04-2018 06:01 AM
CapriRacer wrote:
Rule of thumb: Operating tire pressures should not increase more than 10% - and anything over 15% requires immediate action.
I don't think that is true AT ALL, at least not for motorhomes.
IF....all of your tires increase about that much, then it is the tire design and the environment that is causing it.....or your starting pressure is too low.
If the fronts increase a LOT more than the rears, then it might be an alignment problem.
The fix for a large increase in pressure NEVER is to lower the starting point. Quite the opposite, in fact.
CanAm Spyder in the "trunk"
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โJul-04-2018 05:46 AM
goufgators wrote:
โฆ.. But, (we're in Fl and roads get hot this time of year) as miles increase, pressures increase up to and sometimes over 15 psi above starting pressure. โฆโฆ.
Rule of thumb: Operating tire pressures should not increase more than 10% - and anything over 15% requires immediate action.
If I am reading this right, the tires are 80 psi max - so 15 psi is about a 20% increase. Something is wrong and it needs to be addressed.
The obvious thing is the starting pressure. Are you measuring in the cold of the morning? Tire pressures increase about 3% for every 10ยฐF increase in ambient temperature. So if you start when it is 60ยฐF, and get another reading when it is 90ยฐF, you should see a 9% increase just due to the increase in ambient temperature. You shouldn't count that - and I suspect this is a major source of the pressure increase.
So take some careful measurements, taking into account the ambient temperature vs increases due to operating temperature. If you are still seeing high pressure increases - SLOW DOWN!! That's the easiest way to reduce the increase. Then figure out what to do next.
CapriRacer
Visit my web site: www.BarrysTireTech.com
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โJul-04-2018 04:24 AM
The number one thing that reduces tire life and increases the possibility of a blowout is underinflation. This is what you would like to do and they all recommend against it.
Follow the manufacturer's guidelines and inflate your tires at the specified air pressure when COLD, before you drive on them, and then just leave them alone until the next day, when they are cold again.