According to Tim they are a drop in part in the B44.2, being the .2 had the same crown gear as the TC4...
Official Team Associated B44.3 Factory Team Thread
Seeing the manuals, all one needs is the gear diff and the input pinion.
Will update with the crown OD asap because diff cases are different and may not work, which I doubt.
Check out this URLs for setup help/debate - www.rctech.net/forum/tags/spreadsheet.html
Brands I like - HephaestusRC, Robitronic, Kyosho, LM Engines, Mugen Seiki, Graupner
My home track -> www.rctech.net/forum/racing-forum/775876-crmpl-off-road-track.html
Last edited by 30Tooth; 10-07-2014 at 04:56 AM.