Yeah, I have had My G3īs for more then a year now, and I have charged them with 4C almost everytime and they are still performing good. Nice, that will give it a real "try out". "We'll see. I ran Summit shafts in the middle before" So.. arenīt you running summit shafts in the middle now?
How about the traxxas steel centers? Is it that simple that you just donīt like them for some reason or is it because you have to drill them up to make them fit on the diffīs outputs?
You could use a Rc monster cup on the diff side...No drilling required.. Since they are dogbone looking on one side:
http://www3.towerhobbies.com/cgi-bin...?&I=LXYCU2&P=7