I have just dropped the front suspension and back axle on my 70 Challenger. The car is now 99% torn down and I am looking for a "cheap" way to roll the car in/out of the garage. It is a smooth surface (expansion grooves only). I am still looking for a welder, so am limited on materials. I thought I read a thread a few months ago discussioning a simple wooden frame (2x8 or 2x10) and four castors. Any suggestions or links? Particularly, what recommendations on a set of castors that will support the body.