No Problems, A lot of guys went to lipo. 4s packs are the choice. Your LHS can fix you up.
TeamNitro RC Club, New Home track- Ho Chunk Southland Expo, Lynwood IL
Serpent 748 Natrix TQ, PICCO EMX-WC or "R", Spektrum DX4RPro, Futaba servos
411,3.0 17.5 TC; 3.5 Mod Sedan HobbyWing
Please drive responsibly