[captain harlock]

For a touring car, the 5700 version is very good and as fast as a 9 turn brushed motor, but if you choose the 7700 motor you'll in the mid 50s, like 6 or 5 turn brushed motor. I recommend the 5700, since you can run it at 7.2 or 8.4 with good results and when you need more power, you can put in some 12 cells and experience hi power, and hi speed.