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New Van Wheel and Tire Options

B00klover

New member
Joined
Apr 8, 2025
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1
City & State/Province
Utah
I'm getting a new Westfalia van built on a 2024 Ram Promaster 3500. It's got a GVWR of 9350 lbs and a GCWR of 11,500 lbs. I want wider tires and a broader track without messing too much with the tire size. It comes with 16"x6" alloy wheels and Nexen Roadian CT8 HL 225/75R16C tires.

I'm looking at switching to Method 707 matte black wheels, 17x7.5, and pairing them with Yokohama Geolandar A/T G015 LT245/65r17 tires. These tires are a bit bigger, about 0.5" more in diameter, with a load index of 117 (2833 lbs). Some folks stick to 16" tires like LT245/70r16, which adds 1" to the diameter, or go for the common LT245/70r17, which bumps it up 1.5". The 17" with a 65 aspect ratio seems nice, but tire choices are slim.

So, does this setup make sense for my van? Is the 117 load index cutting it too close? !
 
The setup should work well, but be aware that there is limited choice for 17" tires. The increase of 0.5" more in diameter though won't make issues.
 
117 load index technically works, but it's cutting it close, especially loaded. You might get better options and peace of mind with 245/70R16s, method 707s are great wheels, just make sure the fit clears and you're okay with the gearing change.
 
Some good points made by everyone here. I also err on the side of caution with load ratings for a heavy rig like your Westfalia. I once picked tires that were just adequate for my ProMaster conversion for a long trip through the Rockies. While they held up fine, I definitely wished for more peace of mind so the suggestion for looking at 16s with more tire options is good food for thought.
 

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