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  #21  
Old 07-11-2011
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For those that have got the diffs, does the instructions list the part numbers of the spare parts (like the gasket and planetary gears)?

Thanks
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  #22  
Old 07-11-2011
Donutt Donutt is offline
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Not on my instructions. Unless it's in the japanese text...
(english is just simple descriptions)
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  #23  
Old 07-11-2011
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Cheers mate, mine are still in the post and was wondering about getting hold of some service spares. Guess that'll have to wait for a bit........
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  #24  
Old 08-11-2011
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on onroad I have run a gear diff since January and it hasn't needed any new parts. Obviously off road could be a bit more harsh on the gears but I would think they would last a fair while.
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  #25  
Old 08-11-2011
fastinfastout fastinfastout is offline
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at $21US for a gear diff, you cannot complain really even if you have to buy a new gear diff every few months.

It would cost you just as much with new carbide/ceramic balls, thrust assemblies, yet you wouldn't have the consistency of a gear diff.
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  #26  
Old 08-11-2011
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I'll probably end up doing that, get a whole spare unit in a few weeks time. Just thought I might be able to get some spares in the meantime 'just in case' as knowing my luck I'll end up stripping a gear on my first run......
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  #27  
Old 20-11-2011
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I finished building my diffs yesterday. Thought i'd give them a spin on our new track today.
Built them as in the manual using 2 shims per side and with the oil supplied by tamiya which is too thin.

Ran 2 packs, or better abused the car for 2 packs, and the rear diff isn't sounding and feeling healthy anymore.
Popped a drive shaft twice so that might have influenced things.
Gonna open the rear diff up when I have the time to see what's wrong.

Probably gonna use 3 shims next time and add some more spacers in my dampers.
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  #28  
Old 28-11-2011
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Hi guys. Another weekend has gone by. How are the diffs holding up?
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  #29  
Old 13-12-2011
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Any updates on the diffs?
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  #30  
Old 13-12-2011
fastinfastout fastinfastout is offline
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I've had 1 race meet with mine, and there one of my gear diffs are leaking a little, and I have 20k oil in there. Diff was built with green slime.
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  #31  
Old 13-12-2011
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Mine have done just under an hour...they both leak, but are also silly smooth and consistent. Tbh, if your good at building ball diffs I'm not sure they are advantage, but they definitely help someone like me!
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  #32  
Old 13-12-2011
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Mine lasted for a few runs at the MK GP but then stripped the gears in the rear on my TQ run... LOL (haven't opened them up yet...).

Just got new gear sets in the post so i'll rebuild them soon, the question is: last time I used 1 extra shim on one side as it felt notchy with 1 each side. How many shims have you guys been trying? Do they need the extra shims to make it super tight?

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  #33  
Old 14-12-2011
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Quote:
Originally Posted by makinwaves View Post
Mine lasted for a few runs at the MK GP but then stripped the gears in the rear on my TQ run... LOL (haven't opened them up yet...).

Just got new gear sets in the post so i'll rebuild them soon, the question is: last time I used 1 extra shim on one side as it felt notchy with 1 each side. How many shims have you guys been trying? Do they need the extra shims to make it super tight?

Mark
Did you use the extra shim when you stripped it?
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  #34  
Old 14-12-2011
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Yep. Was going to run one each side but it felt notchy when built.

Maybe it does need to be tighter then...
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  #35  
Old 14-12-2011
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If your diff is notchy after just a few runs you have either made it way too tight or not shimmed it well enough.

]With the gear diffs you dont want to tighten the screws really tight. That will mess up the gear diff. You just want to tighten it until the screws feel seated.

I drop a bit for green slime in mine and dont get any leaks.

On the buggy I use 2 shims each side, on my TC i now use 3.

Here is very good guide on how to make a sweet diff

[URL="http://www.youtube.com/watch?v=m_DhcfcO8dI"]http://www.youtube.com/watch?v=m_DhcfcO8dI[/URL
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  #36  
Old 09-01-2012
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I've been trying to find an issue in the drivetrain and realized today that my rear diff fouls against the rear shock tower! Anyone else had this issue?
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  #37  
Old 09-01-2012
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What's a good starting point for diff oils front and rear? I'll be running on medium grip hard packed dirt
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  #38  
Old 25-01-2012
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How to build the gear diff:

http://youtu.be/m_DhcfcO8dI
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  #39  
Old 05-02-2012
Himey97 Himey97 is offline
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Getting a DB01R and have read many recommendations to switch to the 51286 differential joints as a stronger upgrade on the ball diffs.

Would it be a better option to just switch to the 54329 Gear diffs?

The complete gear diff 54329 is cheaper than the 51286 out drive.

What am I missing ?

newb
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  #40  
Old 30-04-2012
brianh brianh is offline
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hi folks, just had a question about these diffs. after I've built them and installed them but when I set them up in the car the wheels don't turn, has anyone had this problem, Im talking about trying to turn both rear wheels in the same direction, the diff works fine spin one outdrive and the opposite one turns in the other direction but once in car and the belt goes on the wheels don't spin, any help would be great
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