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dirtdivaca's avatar
dirtdivaca
Explorer
Jan 26, 2014

Going from 20" to 17" -18" wheels - better tow capacity?

We are newbies and getting our first trailer soon – yay! We discovered our 2005 F150 Supercrew has 20” aftermarket wheels (Toyo Proxes ST II 285/50R20 ). Looking over the Ford Towing Guide, it says GC...
Terryallan's avatar
Terryallan
Explorer II
Jan 26, 2014
It will make it tow much better. However. Before you drop all the way to 17s. Be sure that is what came on it. Some 150 do come with 18s.
Either way. Once you get your new tires. Have the computer flashed to be sure the speedo is correct. If it was flashed when they put on the 20s. It will be wrong when you put 17s back on.

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