Chad will be back on within the next 2 weeks or so. I think the move is a major pain for them but it should better serve the customers once the transition is complete.
Dishsoap---You have to shave the center diff mount a little bit in order for the carb not to rub. This isn't a X-Tech specific issue but several motors from other manufacturers do this as well on the Losi buggy's and Truggy's.