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Old 10-19-2013, 07:49 AM   #29
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Join Date: Dec 2009
Posts: 1,318
Originally Posted by Wayne M View Post
It would behoove owners to read the information contained in Roger Marble's Blog. He spent 40 years developing tires for a major manufacturer.

His blog is here

Here is an excerpt from one of his information pages:

"One other option for those only a few psi low. Drive to the nearest service station at slightly reduced speed (10 mph under the speed limit would be max) and follow these instructions on how to inflate a hot tire.

1. Record your cold inflation.
2. Calculate how many psi each tire would need to reach your goal cold inflation.
3. Drive at reduced speed, hopefully no more than 10 miles, to the service station with air available. You might want to call ahead to be sure they have enough space or long enough hose to reach your rig. Not all service stations can accommodate a Class-A with a toad.
4. Measure your now warm inflation pressure
5. Add the psi needed from step #2 above plus 3psi to learn your temporary "warm" tire inflation
6. Inflate your warm tires to the temporary goal inflation calculated in step 5.
7. Confirm you have the needed inflation the next morning after the tires are at ambient temperature and adjust accordingly.

If you follow these steps I think you will find that your tires have the proper inflation or 1 or 2 psi more so you can set the inflation at your exact goal cold inflation using your digital gauge."

Air pressure is not rocket science, just physics.
Replace step 3 with "Carry a 150 psi compressor with you". I have never been sorry for having mine with me, and have helped out quite a few others along the way.

2006 Patriot Thunder C13 Allison 4000
2010 Ford Flex Ecoboost AWD
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