Tire Size

I just recently bought an '04 Ram 1500 4x4 with the Hemi. Just curious to know if anyone knows what is the largest tire you can put on the truck with the stock rims. Also curious to know if you can put a 16" rim on the truck not sure about brake clearance any help is appreciated thanx

I assume you have 17" tires? If so, I've seen a few with 315/70/17 BFG's on them. I don't know about the 16".