Originally Posted by
Jimdog
i have a pro 4 hd motor what pinions would i want for a medium size dirt outdoor track, a tight grass track, and speed runs on pavement.
why doesn't anyone use the traktion drive? wouldn't it protect the drive system?
what will i want to upgrade out of the box and how strong and fast does the servo need to be?
what kv is your pro4 HD, I run the 4300 and run a 15t for a pretty big indoor track, servo it's up to what you want, I heard torque is preferred but I like a little speed to so I went with a multi servo that has a good amount of both