![]() Simply put, the tire rolls on the pavement the way it was designed – not more in the middle of the tire so to speak. But in general:Īssuming you are using the tire manufactures charts, air pressure for the highest load on the heaviest tire, plus 5 psi in some circles, is recommended for the best ride and tire tread life. When Howard comes up for air from the last adventure perhaps he will provide more info as he is an expert on tires. ![]() So before I go letting air out of my tires, what benefit does reducing the pressure give me? I'm guessing it's better tread wear, because the tires won't be over-inflated for the weight that's on them? Or better handling? Something else? Are there any added risks that might offset the benefits? I'm just a little leery after having learned all the dangers of under-inflation.īy the way, I do have a TST 507 TPMS, so I can monitor tire pressures and temperatures while we're driving. Our Load Range G Goodyears have a max pressure of 110 psi, but the tire load/inflation table for our tires says we can (should?) run them at 90 psi based on our measured axle weight. In our case, we had a wheel-by-wheel weighing done on our 5th wheel (by Escapees SmartWeigh). I've seen lots of questions about how to determine the correct tire pressure for RV tires - but I haven't yet found an explanation of WHY you should inflate the tires to less than max pressure if you have more tire capacity than weight on them.
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