ORIGINAL: triumph 67
I am putting a 15t pinion in to see what happends but now i got a new hw 4000kv motor going in as well.
I have a 15t in my son's. Big difference from the 13t. Then swap the battery from a 7.2v to a 8.4v or 3s lipo and hang on! You won't believe how fast that truck will go!