Got mine the other day, and they look great.
As you may know, I can't race more than once every six week or so -- too many other commitments -- so I won't be able to try it until Nov 6 - 7 at Classic Hobbies, and Nov 8 at ARCS. That is, if one of the world's best R/C mechanics is able to fit the part.
I hope we can carry them on
www.xfactorystore.com
In stock truck, a ratio of 29/70 or even 30/70 should be dialed.