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Old 08-21-2013, 06:17 AM   #1321
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ok I'm not going there about your child but when you work 12/14 hrs aday sentences an happen like that also I run 17.5
you'll probably will want to stay in the 84-88t range...anything lower and you'll run the issue of gears not meshing

88t is what I have on mine and it gives the biggest range of gearing
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Old 08-21-2013, 06:29 AM   #1322
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you'll probably will want to stay in the 84-88t range...anything lower and you'll run the issue of gears not meshing

88t is what I have on mine and it gives the biggest range of gearing
I am gathering that you are using a 64P spur gear, what size pinion have you used in the past as an average as I will be using a 21.5T for VTA. Sorry to drop a TC question in the TCXX post.
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Old 08-21-2013, 06:35 AM   #1323
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I am gathering that you are using a 64P spur gear, what size pinion have you used in the past as an average as I will be using a 21.5T for VTA. Sorry to drop a TC question in the TCXX post.
yes, its 64p

and I've run 55-58t pinions...I haven't run 21.5 in a while - but with the 25.5, I've run down to a 3.1-3.3 FDR
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Old 08-21-2013, 06:43 AM   #1324
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yes, its 64p

and I've run 55-58t pinions...I haven't run 21.5 in a while - but with the 25.5, I've run down to a 3.1-3.3 FDR
Thanks for that info on the pinion, I am looking to shoot for a 3.5 FDR and will then test and check the motor/esc temps, have a good one.
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Old 08-21-2013, 02:32 PM   #1325
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you'll probably will want to stay in the 84-88t range...anything lower and you'll run the issue of gears not meshing

88t is what I have on mine and it gives the biggest range of gearing
thanks a lot

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Old 08-21-2013, 11:18 PM   #1326
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thanks a lot

for me 96 64p gets me in the range of 17.5 and 13.5
I'm usually in the range of 3.6-4.4
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Old 08-23-2013, 10:47 AM   #1327
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Old 08-26-2013, 01:42 PM   #1328
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When the spindle set going to be in stock
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Old 08-26-2013, 03:58 PM   #1329
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When the spindle set going to be in stock
I don't know
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Old 08-26-2013, 04:51 PM   #1330
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I don't know
You taking over Hara's ride and start traveling the world?
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Old 08-31-2013, 11:11 AM   #1331
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How is the TCXX for drifting? lol
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Old 09-01-2013, 01:48 AM   #1332
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Hey Guys,

I've been having some rear diff breakage issues. I've found its only on one of our tracks here. Its a tight track with lots of start stop hair pins and the grip is fairly descent grip which adds to the issue.

I've only be able to get around 1-2 runs out of a new rear diff. Ive been building the diffs to kit specs with 2 shims either side of the gear with no sanding of the gears. I have also tried adding extra shim's however i didn't see any improvement.

The diff has mainly been stripping the main larger gear only 1 side at a time. I have however had one time where it was the back of the gear where the pin sits which stripped out.

Does anyone have any solutions to my problems or know of any other brand gears that will fit the the tcxx housing ? Any help would be much appreciated.

-Jason
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Old 09-01-2013, 02:38 AM   #1333
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Hey Guys,

I've been having some rear diff breakage issues. I've found its only on one of our tracks here. Its a tight track with lots of start stop hair pins and the grip is fairly descent grip which adds to the issue.

I've only be able to get around 1-2 runs out of a new rear diff. Ive been building the diffs to kit specs with 2 shims either side of the gear with no sanding of the gears. I have also tried adding extra shim's however i didn't see any improvement.

The diff has mainly been stripping the main larger gear only 1 side at a time. I have however had one time where it was the back of the gear where the pin sits which stripped out.

Does anyone have any solutions to my problems or know of any other brand gears that will fit the the tcxx housing ? Any help would be much appreciated.

-Jason
I can't think of a sensible reason as to why but if you've rebuilt the diff with new gears several times I would suspect there's something wrong with the housing. Gear diffs don't break on a regular basis.
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Old 09-01-2013, 03:55 AM   #1334
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Originally Posted by Wynnum_Racer View Post
Hey Guys,

I've been having some rear diff breakage issues. I've found its only on one of our tracks here. Its a tight track with lots of start stop hair pins and the grip is fairly descent grip which adds to the issue.

I've only be able to get around 1-2 runs out of a new rear diff. Ive been building the diffs to kit specs with 2 shims either side of the gear with no sanding of the gears. I have also tried adding extra shim's however i didn't see any improvement.

The diff has mainly been stripping the main larger gear only 1 side at a time. I have however had one time where it was the back of the gear where the pin sits which stripped out.

Does anyone have any solutions to my problems or know of any other brand gears that will fit the the tcxx housing ? Any help would be much appreciated.

-Jason
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Old 09-01-2013, 04:48 AM   #1335
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You guys must have a really rough track. I beat the living crap out of my diff and it's still going strong. I've neglected to even touch it all season!!!
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