Only one way to find out. And you could still keep those wheels and tires for the super long road trips where 37’s would just be getting worn out on the HwyOne of my hesitations in going to larger and larger tires has been towing performance and stability. Especially when towing or exceeding the upper end of factory capacity. Can share that she still tows with confidence. Re-gearing with 4.3s correcting to practically stock gearing, bigger Tundra brakes to correct leverage and increase heat capacity, with minimal lift and offsets to keep as much factory geometry as possible.
My trailer is lifted 2" and use to drawf the LX. At least in presence. With 35s, not so much. The 33s did tow with a tad more stability, but I think that was as much just having less sidewall. I inflate the 35s about 8PSI more for towing which gets me back some stability. I would say the 20" wheels, especially in larger and larger tire diameters, is pretty key to maintaining stable towing performance.
Now @MTKID has me wondering if she can tow well with 37s?
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