Quote Originally Posted by jord0690 View Post

Iv got kinda the same in my truck tires. Iv got large 35in tires on 20in rims, iv got sand in mine instead of BBs. Works very well. Very smooth... well... smooth for a 3500 with 35in tires LOL
Sand! Why didn't I think of that? You could insert it without breaking the bead by removing the valve core. Jord, how long have you used sand in your tires? I'm a little worried that moisture from an air compressor would work it's way into the tire, condense, and cause the sand to clump up..