Re: Engine Mods for the V10 Ford what have you done
GCWR = combined weight (trailer + van) rating.
The published tow ratings are based on a single loading scenario, so GCWR really matters most.
I'm running effectively the same size tires: 265/70R17 up front and 235/80R17 and in the rear. They are the same height, but the 235s maintain adequate clearance between the duals and fall within spec for the rim width of the duals. I went to a single-rear-wheel front hub to run SRW front wheels to get an 8" rim for the 265s. Dually wheels are all 6" or 6.5" and when that's paired with 265s you get a little sidewall squirm.
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2000 E450 dually V10 wagon
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