i dont think really one is better than the other it is all about what you want.ive seen stuff that i as like why woulld you ever do that but the oner loved it and that is all that matters…it think h b d k f series motors are all poo…hahah …if you beat the piss out of anything it will eventually fail it just depends on how soon…i also think h2b is better but like i already said there is only one way to find out
haha