Originally Posted by
Knockoffracer
Awesome video as usual. I've just finished one of these aside from the body. Currently running the kit motor and ESC. Question... just how tight is the screw that holds the center diff supposed to be? When I give her full throttle from a standstill, she has to spool up like a turbo. I've had the rear out a few times, and have done it according to the kit manual, so I'm a little lost.
Planning on a 10.5 for it once I get it sorted. My friends are planning on running some vintage stuff on an indoor carpet track soon, so I figured I'd take the Avante 2011 out of its hiding spot for the past 4 years and build it. Especially since I've ordered a BS with the LHS!
Your center diff is too loose.
Ahhh... This screw is a pain in the ass... If it's too loose, It will behave as you describe. It's also entirely possible to overtighten the screw and snap it! (been there, done that, got the t-shirt)
In your case I suggest tightening it
EXTREMELY CAREFULLY, using the long end of an allen key on the screw head to limit the torque. Try maybe 1/4 turn more, at most 1/2 a turn. See if it still slips. From this point onwards, tighten 1/8 or 1/16 turn until it stops slipping.
Try to ''feel'' the screw and Belleville washers compressing. You don't want to completely flatten the washers. Because after that you'll snap the screw.
Then unscrew completely, apply a decent amount of threadlock, then re-install while trying to achieve the same tightness as before.
10.5 turn is about the max the center diff can handle. Suggest you tone it down slightly