When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
My 1953 f350 has some giant tires 325 50 r20 (13 inches wide, around 33 inches tall I think). I had to cut into the box and I haven't put any tubs in yet. A guy who was sitting in a group of old car owners in a grocery store parking lot told me I could use trailer fenders for tubs. My step dad has a bunch of old trailers kicking around, I might give this idea a shot. Here's a YouTube link to a guy who has done this procedure...
