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thank you for the double check. I just kept looking at those tables that said I should inflate to 70 and it just didn't seem possible to be correct. So I will run it at 80 all the way around. My GAWR is 7000 F and 12000 R so that is ok. Trish.

Ok Tireman, I looked at the tables and the best I can figure is 70psi for both front and back plus the 10% = 77 plus 5 = 82. Now, my label says 90 front , 80 back. 70 75 80 85 90 95 S 2895 3040 3195 3315 3450 3640(F) D 2720 2860 3000 3115 3245 3415(F) Just a double check please, am I right - I should be running around 82 all the way around? The tires look a bit "poochy" at that I do have the Tireminder, set right now at 90 front, 80 back. So I guess I would need to "up" that to 95 all the way around? Ft driver 2750 Ft Pass 2700 Rear dual driver 5000 Rear dual pass 5000 I had asked a Michalin dealer for help, he couldn't figure out his own tables. The tires are Roadmaster range F. Not my choice to have run but I was out in the boonies when I had to get tires, right then (large crack in the sidewall).

Might I join in also? I am confused when I look at the charts. I have Cooper Roadmaster tires range F. They are 225/70R 19.5 Max for tire is 110 My weights are Ft driver 2750 Ft Pass 2700 Rear dual driver 5000 Rear dual pass 5000 The sticker in the coach reads 90 front, 80 back duals. ( Coach is a 30'A max weight of 18500. ) I have looked at the charts and just cannot seem to figure out what to run. Please Tireman, can you help?