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TNrob's avatar
TNrob
Explorer
Jun 02, 2016

E load tire pressures for daily use and how I came to it.

I used Google to find a Firestone commercial tire loading and pressure pamphlet. This is the PDF page that I found. According to it the minimum tire pressure required to set both front and rear...
Tow Vehicles
spoon059's avatar
spoon059
Explorer II
Jun 03, 2016
Sounds like you are spot on. I always wondered why Ram demanded 80 PSI for the TPMS on the 2500. At 80 PSI those tires are rated for 7000 lbs I think... WELL over the axle rating and WELL over the derated 10K GVWR.

I think the older Rams had a switch for loaded vs unloaded driving. It sounds foolish to me. I would LOVE to hear their logic for this...

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