Axials are go...
Thanks for all the comments,
I can't remember exactly what Project YellowCake weighed but it was under 4 lbs ready to run. I know it has been a while but here is an update.
Sadly I have put YellowCake on the back burner and robbed some parts from it to create my latest Axial axle based project. There was a sneak peek of it on the first page and here it is completed. It is just a hair over 4 lbs ready to run and has a k2-3s chassis.
The Axial axles defiantly handle the brushless power that the PTI could not and now I'm pleased to have too much power

See vid of its first run below:
YouTube link:
http://www.youtube.com/watch?v=vds1nX3LczA
[YOUTUBE]vds1nX3LczA[/YOUTUBE]
And of course there was carnage:
Trying to have an impromptu drag race using a 4wd truck with no diffs at all + wearing paddle tires that had the traction of an ant on the parking lot = Ouch (see end of vid) :bang
and Finally a group pic of some of our trucks.