Im interestes in learning how to rewind the arms, any basic suggestions for someone who's never done it before ? Also "balance" an arm ???

go on the slotmonsters site and talk to the guys there.not saying there isn't a wealth of info here,but jet over at slotmonsters really knows his stuff,and they have alot of drag racers there aswell.there are a number of threads on balancing arms and guides for rewinding them too!