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Old 10-25-2012, 12:45 PM   #17716
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Monkey,
RE oil- filled stock gear diff
ANS NO
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Old 10-25-2012, 12:50 PM   #17717
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Well, a guy can dream, right? Guess I'll just jam it full of putty. (That's what she said!)
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Old 10-25-2012, 03:06 PM   #17718
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What would you guys recommend grease wise in a std m03 diff?
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Old 10-25-2012, 04:34 PM   #17719
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None of the above. Buy some extra Gear Diff shims, the ones included with the kit. Add 2-4 (1-2 per side) under the main gears, add some diff grease under main gear and in the planetary gears as lubricant, screw the case back together tight. Test the diff action, should be very tight but have some slip, If still loose add 1 or more shims. The diff will loosen up some after the first few uses.

This works very well and should only need a rebuild after 40-50 races.
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Old 10-26-2012, 12:45 AM   #17720
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Thanks for the reply Brent.
Anyone else want to share how they build there's
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Old 10-26-2012, 02:05 AM   #17721
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I double shim the main gear too and also use a copious amount of Tamiya Anti Wear grease.

This gives a nice tight diff.

I do find that I go through a lot of spur and idler gears though. Mainly stripping the teeth on the first gear, but also bending of teeth on the first and second gear.
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Old 10-26-2012, 02:29 AM   #17722
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So much for Tamiya's Touring Car hard joint cup set

This is after 4 race days.



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Old 10-26-2012, 02:40 AM   #17723
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Quote:
Originally Posted by bkspeedo View Post
Buy some extra Gear Diff shims, the ones included with the kit.
Do you have a part number for these. I've got loads of bevel gears hanging around, but not a spare shim in the house.

Jim
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Old 10-26-2012, 03:15 AM   #17724
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Tamiya 12300010 9mm washer.
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Old 10-26-2012, 03:17 AM   #17725
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Quote:
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So much for Tamiya's Touring Car hard joint cup set
This is after 4 race days.
Hi, what color is that? Mine is very dark (not shiny) and so far no grooving.
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Old 10-26-2012, 03:34 AM   #17726
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ta03 hardened ball diff outdrive is dull gray no groves, while the gear diff outdrives have a grove for some reason
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Old 10-26-2012, 08:12 AM   #17727
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These are the grey ones, Tamiya 53218 RC Touring Car Hard Joint Cup For Gear Diff (TA04, TA03, TL01) .
Only got them mid August.
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Old 10-26-2012, 11:00 AM   #17728
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Quote:
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These are the grey ones, Tamiya 53218 RC Touring Car Hard Joint Cup For Gear Diff (TA04, TA03, TL01) .
Only got them mid August.
I posted on more than one occasion a modification that my good friend Laguna Bozo came up with several years ago. Since then, my out drives seem to last nearly forever. This mod has been TCS legal for a # of years, but at the last Nationals they did not allow it. However changing back to the stock configuration only takes a few minutes.

The mod is a little time consuming to do if you don't have a mill. All you need to do is open up the drive slots to accommodate a #53890 swing shaft protector. Since I don't have a mill, I used a dremel and cut off discs to open up the slot wide enough for the blades. It took about 45 min. the first time, but it took less time on subsequent efforts. Be sure to use eye protection if you try it with a dremel.

You don't need to start with new outdrives, cause your "notched ones will be fine. Also, the blades which you obviously place on the drive pins of the axle
will make them longer so you will have be careful of the amount of spacers you use on the inside of the outdrives.
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Old 10-26-2012, 01:45 PM   #17729
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Holy crap this was a long read! Learned lots though. Now to go put it all to the test.
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Old 10-26-2012, 03:05 PM   #17730
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Quote:
Originally Posted by marcos graveyar View Post
Tamiya 12300010 9mm washer.
Should have asked before: Do you know of any reliable online sources? They seem to be a little sparse at most places I've looked.
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