[Overdriven]

As far as the servos go, using dual servos is a bit of a pain. The links from the servo horn to the bellcrank both have to be the same length on both sides or they will be fighting each other. If you can hear the servos buzzing with the front end off the ground they are fighting each other. Btw, I like to keep the radio and servos powered up when centering the linkage so I know nothing is moving around on me. First setup the bellcrank to center, then adjust the subtrim (not regular trim) on your radio to center the servos. Subtrim doesn't affect total servo travel like the regular trim does. With the bellcrank and servos centered them you can adjust the camber, then the toe in after that.

I know you have the dual servo saver linkage, but the Traxxas manual should have diagrams telling you the exact length the linkages should be. They are actually real size too, so you can just match your linkage to the manual. Also, just double check the servo savers to make sure there isn't excessive play in them as that can cause the off center issue you mentioned. If they are a little loose, see what spring you have in it, the black one is stiffer than he chrome spring and will have less play.