Want to upgrade tires
I have a 2010 Montana 3400RL with a total (ship+max carrying-tongue)weight of 13540 pounds and have been using GY Marathons 235/80R16 and blowing out tires and damaging sides of RV. I would like to u...
Forum Discussion
Personally, I went from the OEM D's to E's on my 11.3k GVW FW and I run them at 80 all the time. Living in AZ, where towing is almost always hot, it can't hurt. Yesterday, coming down I-17 from Flagstaff, I stopped in N Phx for a drink and checked my tires. All 4 were in the 140s with the shadier side about 5 degrees cooler. Driving right at 65 mph and already having dumped, so running medium weight. Temp on my mirror was high-90's. I've also noticed that running the heavier tires at max psi makes tight turns a lot easier, with less creaking and groaning from the suspension, since the harder tires slide a bit easier. FWIW, were I to clean out my FW totally, and run light, I'd probably run at 70 psi...just because.
Lyle
Lyle
