So your truggy is a Losi 8ight t? I am considering making the Losi or Durango my next E truggy just because of the metal inserts in the diff cups. I've been having problems with the spider gears in my MT4 running 6s. If I'm easy on the throttle it's ok,but if I start stabbing the throttle to do rolling or standing backflips the spider gears can't handle it.