The small block 600 is a great engine, it has few problems. If you can find a PERC setup for it, you can add electronic reverse with no engine changes. The Edge chassis is dependable and pretty robust with a nice ride. Check the bearings on the driveshaft, make sure the shocks are maintained, and it should be a nice ride. It won't keep up with the Thundercat, however. But somehow, I think you knew that