BTown801 26 Posted November 11, 2021 Report Share Posted November 11, 2021 I towed my boat 3k miles last summer with no sway issues. My boat has 18" moto metal wheels on it, with 255/55/R18 tires. I bought my boat used and the tire pressures were all inconsistent when I got it. I inflated them to all match the highest tire psi which was 35. I had no sway with this setup. On the last trip of the season 600 miles round trip to Powell I accidentally rubbed my sidewalls on a curb and shredded them while leaving town. I stopped by discount tire and bought some new Falken tires of the same size. Discount set the tire psi to 50. The boat swayed all the way to Powell and all the way home. It even set off the traction control system in my tundra. Scared the shit out of me. I lowered the pressure down on the boat trailer tires to 45psi on the way to storage and it still didn't feel super stable. So what do you all set your tire pressures to? I know tires break in over the first 1k miles. Any recommendations? Quote Link to post Share on other sites
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