ESO--
A search of the forums should find you the plans for a wheelie bar--there are a number of them out there. I built one from brass bar and rod--the tutorial is on my ZZ website at
www.gcrossett.com/zipzaps/.
I've also begun a tutorial on a slow ZZ MT driven by a modified ZZ SE steering servo. The mod deepens the motor well slightly, builds spacers for the servo, and retains the MT's stock gears. The tutorial should be up on my site in several days.
chilli