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lldolls's avatar
lldolls
Explorer
Jun 03, 2018

Towing our 28’ Jayco

We have a 2009 Ford F-150 XLT SuperCab, we purchased a 28’ 2016 Jayco Jayflight BHBE. The tow weight on our truck is 9800lb and the camper weight is 6540. The truck came with 235 70R 17 passenger tires. We went to purchase new tires and they recommended a LT tire. They put on a size 265 70 R 17 Wrangler Adventure AT with Kevlar. We tried pulling our camper for a short trip and it was porpoisng (bouncing up and down) so bad we couldn’t hardly stand it! We have asked around to try and find out what to do about it and Ford told us that it is because we have the wrong size tire for our truck. They said an all terrain tire is too “meaty” for our truck. Goodyear told us the same thing but the tire store says it is not the tire. Please help if you have had this issue and found a resolution.
  • bluie5's avatar
    bluie5
    Explorer
    Jun 03, 2018
    When my truck was new, with new tires, it was really squirrelly pulling our 37ft TT. After about 1k miles on the tires everything settled down.
  • Terryallan's avatar
    Terryallan
    Explorer II
    Jun 03, 2018
    While the taller tire could hurt tow capacity. It shouldn't make the truck bounce. I would look more at the WDH. to me. It sounds like it is not tight enough / not pulling enough weight, Letting the truck, and trailer tongue bounce on the springs. Pull another link or so in the chains, and see if it calms down.
  • camp-n-family's avatar
    camp-n-family
    Explorer
    Jun 03, 2018
    The taller sidewall and deeper tread can cause the ride to become squirrelly. It may improve a bit with time. Did you air the tires to the max pressure? That will help with the sidewall flex.

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