This is the motor I got, Someone just told me I should't use this motor. What do you guys think? I went with the truggy motor and 4s lipo thinking I would be able to compete with the nitros at my local track. Did I make the wrong choice? Please chime in your input.

http://www3.towerhobbies.com/cgi-bin...&I=LXWZJ7&P=ML