Ray said
"FWIW, I may go quite a bit beyond just retrofitting oversize tires...I'm currently mulling over also swapping the 3.5K axles on my 2720SL for 5K axles"
I thinks Ray has the ultimate solution to pulling a 4000# 2720. When I researched the wheel situation, I think I discovered that the max wheel rating for 5 on 4.5" bolt pattern is 2150# which matches the tire rating at 50 PSI. I would assume that the 5K axle has 6 on 5.5 bolt pattern which gets one to 2500# loading.
The 2" lift seems to address the vertical clearance issue but the width issue may exist. If the 15" will fit, one could run at about 50-55 PSI and probably have a good tire margin (probably about 1900# loading for 4000# TM -- Notice that the SR215/75R14 is rated at 1820#).
Ray, are you interested in posing the width clearance question to TM ? You own a 2720 whereas I am a prospective owner. You probably have more clout with TM.
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