This sounds like the clutch is grabbing and may need to be cleaned. Not hard to do pull off the clutch bell and inspect the clutch pads and clutch bell for build up.
The other thing you can do is loosen the Slipper Clutch a little so it does not grab right away. Mighttake a few tries to get it adjusted right but if the slipper clutch is a little looser it will help with your traction problems on pavement.
The Toe in is a non adjustable setting on the rear of the Rustler but the Chamber settings are adjustable. I would suggest for on road using a 90 Degree Chamber setting on the rear so both tires are planted square to the pavement. You can use a Square to check this setting.
http://www.youtube.com/watch?v=MKaM8hPRD3s
Here is a fewlinks to Traxxas on how to inspect the parts and adjust them.
http://traxxas.com/support/How-Adjust-Slipper-Clutch
http://traxxas.com/node/50407
http://traxxas.com/support/models/ni...09nitrorustler
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