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Old 03-16-2008, 07:23 PM   #1
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Default Spool diff for TC3?

I'm pretty sure no one makes one of these, but could I simply lock the stock diff by drilling holes and bolting the two sides together to make one?
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Old 03-16-2008, 08:09 PM   #2
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the factory spool was crap anyhow. i used to lock my diff by replacing the balls with a thin o-ring on either side of the diff gear that fit to the rings.. worked sweet..
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Old 03-16-2008, 08:16 PM   #3
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You couldn't because it would crack under the pressure of turning. I have a spool in my TC3 and ran it for a few seasons and no problems whatsoever. I even went through a few sets of CVDs because it was so strong!

I'm running XRAY now and have the spool laying around. If you are interesting in buying one, send me a PM. I think they are normally around $40 new.
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Old 03-16-2008, 09:43 PM   #4
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Just use diff putty if you want to lock the diff. RC crawlers use it.
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Old 03-17-2008, 05:59 AM   #5
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If you are using the stock plastic/composite diff halves they can break very easily using them as a locked diff (spool).


1) allow minor slippage like others have suggested (but they may melt)


2) go for your wallet and get the metal outdrives and lock it tight.
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