Join Date: Oct 2017
Location: The actual Midwest
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I would not use soap and water, except maybe as a last resort in a stubborn case...if nothing suitable was available.
Soap may dry when exposed to air, but there shouldn't be any if the beads seal correctly. Besides, water is one of the last things I'd want in a tire, so that's out, too.
There's a reason they make specific tire lube.
For a mechanical rim-to-tire traction enhancer, I've had some luck with using a center punch on the rim, making lots of little "craters".
Just be sure to make them on the vertical (outermost) part of the bead area, not the horizontal one where the air seal is.
Maybe if we start telling people that the brain is an app, they will start using it?
'14 1500 V6, '17 3500 C&C, plus a '19 3500 6.4 in the household.