the Tt-01R is more money than the regular Tt-01 and if ur somewhat of a noob like i am you shouldnt get the Tt-01R. When you first get your car youl crash it alot and thinngs will break. If u wana drift get some A.B.S plastic piping and put it on your stock rims. P.V.C works fine also... the stock motor in the Tt-01 is 27 turns so it will work fine for drifting. Once you get better at drifting a good upgrade would be an aluminum drive shaft and a Tamiya Sport tuned motor. It has advanced timing and its better than the stock motor. you can find these upgrades on ebay. they got thousands of them on ther. i sugest you read up on these threads to ... (slappy the clown)