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Old 12-02-2010, 06:46 PM
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Default Rustler Transmission

Is the stock rustler vxl transmission a locking rear diff or a ball diff? I bought a used one and it has a ball diff, then went to buy a new stock one and it also did the same thing. My buddy has a stock rustler vxl and its got a locked rear diff. So, is stock a locked rear diff or ball diff?
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Old 12-02-2010, 07:20 PM
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Originally Posted by CMURDAx View Post
Is the stock rustler vxl transmission a locking rear diff or a ball diff? I bought a used one and it has a ball diff, then went to buy a new stock one and it also did the same thing. My buddy has a stock rustler vxl and its got a locked rear diff. So, is stock a locked rear diff or ball diff?
Any of the stock Rustlers should have a Planetary Differential, not a Ball or Locked differential.

Look here for the exploded view:
http://traxxas.com/pdfs/3707_explode...ansmission.pdf

Why are you asking about the differentials?
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Old 12-02-2010, 07:25 PM
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They sell a ball diff as an upgrade
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Old 12-02-2010, 08:16 PM
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ok so the locked diff isnt stock? and im asking because ive got a planetary one and it kinda stutters when i go to take off like its not catching
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Old 12-02-2010, 08:21 PM
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So what do you need to lock it? A spool kit or something?
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Old 12-02-2010, 08:39 PM
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Originally Posted by 440swinger-kid View Post
So what do you need to lock it? A spool kit or something?
I've seen people just epoxy the inside to lock the diff: the planetary diffs are pretty cheap. I'm sure they sell spools, but glue/epoxy works fine.
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Old 12-02-2010, 08:50 PM
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Alright we will try that on his tomorrow then... thanks for the help
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Old 12-02-2010, 10:16 PM
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Originally Posted by CMURDAx View Post
ok so the locked diff isnt stock? and im asking because ive got a planetary one and it kinda stutters when i go to take off like its not catching

That doesn't sound like a diff problem, unless the diff gears are chewed up. Sounds like the motor is cogging. The vxl motors do cog a bit.

Locking the diff is going to really change the way it drives. It will slide out much easier around turns.
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Old 12-03-2010, 06:08 AM
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Originally Posted by SloRacer1080 View Post

That doesn't sound like a diff problem, unless the diff gears are chewed up. Sounds like the motor is cogging. The vxl motors do cog a bit.

Locking the diff is going to really change the way it drives. It will slide out much easier around turns.
+1!! I'm guessing that you're not racing a Rustler, but as just mentioned, locking the diff is going to make it very hard to handle curves (glue is going to make this a permanent situation, short of buying another).

My Slash was acting like it had posi-traction and there was almost nothing I could do to keep it under control on the track. Mine turned out to be a bad bearing inside the planetary diff. Built/installed a new ball diff and everything is great again!

Good luck with yours, but check everything out before resorting to glue. Have you checked the slipper clutch to make sure it doesn't need an adjustment or a rebuild??
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Old 12-03-2010, 07:23 AM
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try adjusting the slipper clutch? I usually tighten it pretty snug, then back off a quarter turn or so.
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