Here are my two cars: the M3 is a Nitro 3 and the Supra is an R40. Both have quite a bit of hop-ups. The R40 has a Rex 12s3 and is too fast for my own good. The Nitro 3 has a 12ss engine and beefed up gearing, and it can hold its own against TC3's and Yokomo RTRs.
Phillips Ranch, CA