Personally I'd do a smaller monster truck, I know mike may have the old outlawed low pro panther komodo dragons in his store. for a body I'd go with one of these at the bottom of the this link's page.
http://www.xtremercracing.com/REVO.cfm
The revo 2.5 ones are perfect for wheelbase
Work because i gotta, play because i wanna
People here hate Nitro, I love it. I start it, run it about 50 ft from me and it dies, I go after it. Perfect exercise