Thanks for the welcome, and the primer on diffs.

Lack of a slipper is a concern - but hopefully the diff-action from the center and ends would save the driveline. Although I imagine the Revo driveline is fairly bulletproof anyway (suppose axles are about the weakest link, eh?).

Without hijaacking you post with my pics, I'll point you to my webshots page:
GP-Maxx - a gasoline powered Maxx:
http://community.webshots.com/photo/...41005726CLXggx
This album shows some of my other things (bl rusty, stampede, etc.); also have a bl Losi XXX4 (machined custom cf towers for that) as well as large scale gasoline powered boats I machine alot of parts for that aren't shown.
http://community.webshots.com/user/cadtek8