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Old 08-27-2009, 02:11 PM   #1576
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Got this problem on a Tamiya TT-01R but I think this is common.

Just bought a Tamiya Ball diff for the TT-01. I assemble the diff and put it into the rear gear housing and it seems to fit. But when I put the stock dog bone in, the dog bone seems to be too long and is binding with the diff cups. I've already removed any rubber o-rings in the diff cup already and it is still causing the same problem. Any idea how to fix this?

I've heard I might need new dogbones or universals. Which ones do I need (can you list brand and model, does not have to be Tamiya).
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Old 08-27-2009, 02:45 PM   #1577
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I thought maybe you were using the stock chasis, plus it does give you more gearing options compared to the Tamiya gears.
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Old 08-27-2009, 02:53 PM   #1578
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Quote:
Originally Posted by jcr View Post
Got this problem on a Tamiya TT-01R but I think this is common.

Just bought a Tamiya Ball diff for the TT-01. I assemble the diff and put it into the rear gear housing and it seems to fit. But when I put the stock dog bone in, the dog bone seems to be too long and is binding with the diff cups. I've already removed any rubber o-rings in the diff cup already and it is still causing the same problem. Any idea how to fix this?

I've heard I might need new dogbones or universals. Which ones do I need (can you list brand and model, does not have to be Tamiya).
If your the same person I spoke to in rcuniverse, this is what I used when i switched to the ball diff. I thought removing all o-rings would have helped. I got these because I wanted less rotational mass in my axles and did not want to break any dogbones.

http://cgi.ebay.com/Tamiya-39mm-Driv...4.c0.m14.l1262
http://cgi.ebay.com/Tamiya-TG10-Whee...d=p4634.c0.m14
http://cgi.ebay.com/Tamiya-TT-01-Bal...4.c0.m14.l1262
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Old 08-27-2009, 04:35 PM   #1579
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How about the 3 Racing Universal? http://www.3racing.hk/products.php?products_key=3794

Or anyone know if the 3 Racing dogbones are 39mm?

Well it sounds like I only need the 39mm length axle, don't really need the cups right?
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Old 08-27-2009, 06:35 PM   #1580
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How about the 3 Racing Universal? http://www.3racing.hk/products.php?products_key=3794

Or anyone know if the 3 Racing dogbones are 39mm?

Well it sounds like I only need the 39mm length axle, don't really need the cups right?
they have a set of 4 on ebay for that i think
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Old 08-27-2009, 06:37 PM   #1581
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but will those universal solve my problem?
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Old 08-27-2009, 07:56 PM   #1582
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i don't know for sure but i broke my ball diff with stock dog bones
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Old 08-27-2009, 07:59 PM   #1583
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according to this, it says it is 39mm?
http://cgi.ebay.com/3Racing-(%23TT01...17178002r32328
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Old 08-27-2009, 08:51 PM   #1584
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Your going to need it replace them all or get the universals. If you switch the dogbones to the 39mm then the ends will be to small for the cups you are using so then you will have to switch out the axles and the the balldiff cups. Here is a fuzzy pic of my ball diff with the axles installed.

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Old 08-27-2009, 08:57 PM   #1585
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interesting...... so would the universials have a bigger ends?

I think Universals will be a cheaper option if that is the chase but are all aftermarket universals the correct length is the question...
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Old 08-27-2009, 09:28 PM   #1586
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When I made my order I ordered the axle and dogbones for the Tamiya TG10. If you get the universals from 3racing made for the TT01 they will fit but I dont know if they will fit the stock ball cups that come with the balldiff. As long as the part is made for the TT01 they should fit. I only got universals for my front axles since they were expensive at the time and felt they would be more beneficial for the fronts.
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Last edited by dfiantii; 08-27-2009 at 09:40 PM.
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Old 08-27-2009, 09:32 PM   #1587
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ok cool... i guess I need to check with my local hobby shop to see if they say the 3 Racing will fit or not.... it is cheap now..
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Old 08-28-2009, 02:29 PM   #1588
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Racebucks or rccardr (or anyone else): Do you think the TT-01D kit would be good for someone to start racing with (changing tires of course), as it comes with bearings, oil shocks, etc.?

Edit: sorry, as opposed to the regular TT-01 or TT-01E
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Last edited by stitchy; 08-28-2009 at 02:43 PM.
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Old 08-28-2009, 02:42 PM   #1589
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Quote:
Originally Posted by stitchy View Post
Racebucks or rccardr (or anyone else): Do you think the TT-01D kit would be good for someone to start racing with (changing tires of course), as it comes with bearings, oil shocks, etc.?
i race mine weekly, is the best no but i do have fun with it and it is tough as nails
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Old 08-28-2009, 02:44 PM   #1590
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oops, I meant the TT-01D with a tire change versus the TT-01 or TT-01E...
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