I started with OEM E-rated tires and the inflation pressure on the sticker was 80psi. After installing a TPMS and several blowouts and complete tire changes, I finally wised up and got G-rated tires which on the sidewall called for 80-95psi. I knew I needed to use a higher cold inflation pressure but I was not sure how high to go. I decided on 90psi.
When you are rolling the tire pressures quickly rise by 5-10lbs, especially in warm temps. On a trip we would routinely be at 105psi, so I decided that these 5lbs weren't all that critical because the pressures rise anyway.
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John & Janet from Texas via Connecticut and Vermont
2012 Keystone Montana 3150RL 5th Wheel
2012 Ford F350 Diesel 4x4 Lariat Crewcab SRW
6.7L V-8 diesel, 6-sp automatic, 3.55 axle ratio
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