I'll post updates on the wheelbase extension later today. I've also got a video going out tomorrow on what I did as well as far as doing it without cutting fenders.
http://www.rccrawler.com/forum/axial-scx10-ii/608835-sozes-umg10-80s-toy-cartoon-theme-build.html
Thanks, the Cobra theme had me dying! Awesome. And knowing is half the battle.