I need help!! I'm thinking about building a mud truck and wanted to build up a older Toyota, I want to put a 350 in it and 39" to 44" tires. I need help on what axles to use.and if I use a full size chevy axle will I have to use Chevy leaf springs? what's a good transmisson for mud boggin.I wanted to use a Toyota from 1980 to 1985. would 2 1/2 ton axles and T-case fit? because I found some for $600