Starting a Swift 2 brushless conversion

[dirt101]

just so you know the stock probably went around 37, but anyways I would go with the caslte neu 2200k/v combo, a zippy 5000mah 4s lipo, and for gearing you can use this

http://www.scriptasylum.com/rc_speed/_top_speed.html

[harryf1]

ok thanks, what would you recommend as the max amount of teeth i could get away with on the pinion with the standard 46T spur without the motor overheating?