I upgraded my ZipZaps Speed Calculator (currently version 4.0) to add support and speed caclulations for the ZipZaps Monster Trucks, as well as a few other program enhancements -
P.S. I also updated my Motor and Gear Ratio Charts with the ZipZaps Monster Trucks motors and gears:
(Edit) Hmmm... the board seems to be screwing up the URL tags, must be a bug with the forum software. Anyhow, simply surf to my ZipZaps Stuff web page (link is in my sig below), and scroll down to the "Motor and Gear Ratio Chart" links -