The Stovebolt Site Forums The Shop Area General Truck Talk What tires to put on 54 3100

I need to replace the rims on my truck, should I use 16" or go to 15"? Also what size tire would be the best? Any ideas appreciated. OK, more info, my rims are rusted out, so have to buy new. I live on a gravel road. I priced new bias tires which need tubes. It would be cheaper to get radial tubless tires in 15", will they look OK? Also have read that radial tires ride & handle better. Thanks for any info.