Thanks!
Called Traxxas. Told the fellow my story, as here. He immediately said only that it’s just doing what one way bearings are supposed to do. Which I kind of suspected. I guess it’s a nitro thing. I never had to take apart and rebuild any nitro before. I must say though, my 4-Tec...
As stated above, the truck runs well but resists rolling forward, even with everything turned off, if you try to push it by hand. And it unilaterally—no input from me, seems to add braking when you back off the throttle. I know when I rebuilt the transmission I installed the one way bearing...