to me the stock setup spinns out too much. But in good hands the stock setup is awesome. One of our best racers is deaf. He races in pro truggy& buggy (nitro) wit an e truggy&buggy and gets such a lead he can do a batt swap and still be in the lead lol. he drove my bugy and said mann. he drives all associated platformsand was drooling.Says this is a dream