• Rankin
    1
    I look at the vehicle decal inside my driver door for the tire size and pressure. It has listed for pressure 75psi rear and 65psi front. It's a 2006 F350 SRW Lariat. Anyway tires are 10ply E rated and say max psi cold is 80. Just wondering does everyone follow the manufacturer recommendation? They're new tires probably less than 10,000Km on them and don't want to prematurely wear them out from using the wrong pressures.

    Thanks
  • Ray
    466
    My new truck came with 80 PSI tires. The factory set them at 80 PSI for the back and 65 PSI on the front. I upped the front to 70 PSI and everything seems to work well towing. My rear seems to wear way faster but likely due to the extra weight on them and maybe the exhaust brake action or spinning with all the torque these new trucks have. :) I've rotated them after 15K. They are just the OEM Firestone tires.
  • RickB5r
    0
    I set ALL of my tires at 70 psi (the 5th wheel too). Rides very nice.
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