Glad you got it sorted out, proper setup can transform most dog's into good flying helicopters no matter what kind of helicopter they are.
As for him, start at factory settings.
http://www.raptortechnique.com has two good nitro tuning articles worth reading and though its a pay site, Bert Kammerer did a thing on nitro tuning on
http://www.smacktalkrc.com Bert and Bobby know a bit about engine tuning.