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Old 04-04-2015, 02:37 PM   #8701
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After every 2 race meets the oil in the front and rear diffs seems to leak almost completely. Is anyone else having problems with leaking diffs?
I've recently been having center diff leaking issues. Rebuilt yesterday, we'll see how it goes...
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Old 04-04-2015, 03:08 PM   #8702
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My son and I have had a couple leaky diffs from original build, but after refilling and the re tightening haven't had any issues. Not sure if it was just the new tight plastic but they have all been fine since.
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Old 04-04-2015, 03:15 PM   #8703
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I've recently been having center diff leaking issues. Rebuilt yesterday, we'll see how it goes...
I also have been having issues with the center diff leaking even after replacing oring and gasket start leaking on the second day out with it.
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Old 04-04-2015, 06:15 PM   #8704
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I also have been having issues with the center diff leaking even after replacing oring and gasket start leaking on the second day out with it.
I actually had the same problem as you guys are talking about. What I found my problem was is that the screws were torqued down into the spur gear to much and actually pushed the screw hole into the diff case, warping the spur around these screws. New gaskets and everything didn't help, I just ordered the exotek aluminum one cause it will never warp and changing spurs gear will be easier.

On another note, I recently went from saddle packs to shorty pack and I was sort of iffy cause my driving style is pretty hard. I was having some setup trouble with the car being unpredictable when I would get on power. Moved the shorty all the way back from being all the way in the front and was the fastest car in the main. My fastest lap was .6 seconds faster than anyone else, and when I would make a bobble I would catch the leader with in a lap or two again. Couldn't make the pass cause his lines were so tight but my car was dialed just from that adjustment either way
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Old 04-04-2015, 07:09 PM   #8705
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Also make sure your not over filling the diffs and have all the screw tight
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Old 04-05-2015, 11:19 AM   #8706
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Also make sure your not over filling the diffs and have all the screw tight
+ 1. Also make sure to grease the oring,both sides of sungear shim and the out drive before it goes into the diff ,I use red syn grease .I have 5 or 6 daze on my diffs with out leakage.Cheers!
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Old 04-06-2015, 06:40 AM   #8707
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I actually had the same problem as you guys are talking about. What I found my problem was is that the screws were torqued down into the spur gear to much and actually pushed the screw hole into the diff case, warping the spur around these screws. New gaskets and everything didn't help, I just ordered the exotek aluminum one cause it will never warp and changing spurs gear will be easier.
I had the exact same issue... over tightened the stock and caused 'dimples'.
Put the exotek spur set up in, and not a drop comes out.

It is slightly louder, but its not a quiet buggy to begin with.
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Old 04-06-2015, 07:27 AM   #8708
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Well my build was going great until it was time to install my motor(tekin red line 6.5) (saddle setup)).... Could not get it to fit. Has this ever been a issue?

I already have 2 sets of saddle packs. But after 2hrs of cussing n such, I switched over to shortty setup.........anyone need saddle packs lmfao
I had the same problem with the Pro4. I ended up using my old Castle Sidewinder.

I think you will be much happier with the shorty setup. I ran the saddles for a while but never had much satisfaction. It was hard for me to get any pitch control in the jumps.
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Old 04-06-2015, 11:47 AM   #8709
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nope, these diffs are pretty solid, no leaks here.
I had a soft plastic center diff spur, the skrews just kept going in consequently leaking. HB send me a new diff and spur no question asked. How great.
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Old 04-06-2015, 01:22 PM   #8710
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Originally Posted by nordfink View Post
I've recently been having center diff leaking issues. Rebuilt yesterday, we'll see how it goes...
yeah my front and rear dont leak at all but my center has been leaking, been filling/changing it out every 3 to 4 race days. might order a new gasket and see if that fixxes the issue
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Old 04-06-2015, 10:44 PM   #8711
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Recently purchased this buggy. What drill sizes are 1.7 and 1.6?

Last edited by Billy; 04-06-2015 at 11:13 PM.
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Old 04-07-2015, 01:21 AM   #8712
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Recently purchased this buggy. What drill sizes are 1.7 and 1.6?
1.6 inches and 1.7 centimeters
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Old 04-07-2015, 02:35 AM   #8713
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I have 6 race days and have changed the diff oils 1 time. All my diff do not leak. I run 7k 100k 4k
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Old 04-07-2015, 02:56 AM   #8714
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I have 6 race days and have changed the diff oils 1 time. All my diff do not leak. I run 7k 100k 4k
Out of curiosity how does the car handle with those diff oils, I'm still running the stock setup cause our track is very loose but i was thinking of dropping them down from 10/100/10 to 7/100/5 but I'm not sure how it will effect the handling.
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Old 04-07-2015, 04:39 AM   #8715
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Recently purchased this buggy. What drill sizes are 1.7 and 1.6?
Metric. 1.6mm. 1.7mm.
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