I do not increase tire pressure on the front tires. I run the same towing and solo. There is very little, if any, additional weight on the front axle when towing. Maybe just a little but not enough to justify changing the tire pressure. On our prior truck, there was 20 pounds less on the front axle when towing. I have weighed this current truck solo and the Montana solo but have not yet weighed both together. With prior trucks I had those weights but haven't done it yet with this one.
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