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Old 09-27-2016, 06:27 AM   #2236
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I can check if the sound comes from the motor. It is a 17,5 LRP X12 Vector Stock Spec.




So what kind of spur or pinion do you prefer? Is it possible to change the brand from Tamiya to, for example, Arrowmax spur gear?

And I checked the car again and it has a 66T spurgear that came with the car and a 33T pinion. Both from Tamiya.
So you might have a 04-module pinion and 06-module spur. Tamiya uses both. The biggest 06-module pinion I have seen is 29 or 30 teeth, which indicates that your pinion is not 06-module.
The spur I have is RW Racing Supa-Lite spur gear 48P.
I think XRay spurs fit too, not sure about others
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Old 09-27-2016, 06:36 AM   #2237
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Ok thanx!

And if I use the RW Racing Supa-Lite. Can I use the 04-module to fit the spurgear?
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Old 09-27-2016, 07:17 AM   #2238
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Ok thanx!

And if I use the RW Racing Supa-Lite. Can I use the 04-module to fit the spurgear?
Probably not. Make sure the pinion is 48dp too. I would advice you to get rid of the 06 or 04 modules and go for all 48dp (or 64dp) gearing. Gives more gearing options.
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Old 09-27-2016, 07:36 AM   #2239
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Thanx for all the help. I will try different things and I will get back to you guys with the result.
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Old 09-27-2016, 03:28 PM   #2240
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If I switch to the spec r diff, I know I would need to switch to the 39 tooth gear on the front spool, but do I also need to change the input gears, or do the sock ones work?
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Old 09-27-2016, 03:44 PM   #2241
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If I switch to the spec r diff, I know I would need to switch to the 39 tooth gear on the front spool, but do I also need to change the input gears, or do the sock ones work?
SpecR must use both Tb03 gears.
The TB03 and Tb04 gears are matched sets, different ratios and cannot intermix. They have a different thickness (off set) so different spools as well unfortunately...

I have switched from SPec R to the TB04 gear diff. After putting in alum m2 screws and alloy outdrives the weight is now within 1-2 grams of my spec r gears. And now I can use the more durable white outdrive pucks. The black pucks that you use with the spec r seems to wear out after every race day
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Old 09-27-2016, 06:50 PM   #2242
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Thanks for the info. I'll stick with the Tamiya diffs so I can still run the EXO spool.
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Old 09-28-2016, 12:40 PM   #2243
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Thanks for the info. I'll stick with the Tamiya diffs so I can still run the EXO spool.
Any particular reason not to use the ball diff?
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Old 09-28-2016, 03:17 PM   #2244
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Any particular reason not to use the ball diff?
Nubs there is no reason not to use a ball diff they are lighter and my car has never performed better. Since the ball diff is in a housing that protects it from dirt the maintenance is very low I grease the ball after every 3 race days after a few rebuilds you know a how much to tighten the diff to get the car
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Old 09-28-2016, 03:29 PM   #2245
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I waited for this car as I wanted a modern shaft drive TC with a gear diff that wasn't almost a grand. I know lots of people like the ball diff and that's fine, I just prefer the gear. Set it and forget it.

I have been doing this for 25 years and can build a butter smooth ball diff, I just don't want to deal,with it anymore.
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Old 09-28-2016, 07:44 PM   #2246
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On the subject of gear diffs, has anyone broken the plastic internal gears or shafts? I put the metal ones in my TB04/EXO6 but the weight savings of the plastic parts is tempting.

I understand on an offroad car you'd want metal to withstand the shock loads, but are onroad cars as demanding?
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Old 09-29-2016, 10:07 AM   #2247
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Could somebody tell me the biggest spur gear could use with exo-six chassis, please?
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Old 09-29-2016, 01:51 PM   #2248
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Could somebody tell me the biggest spur gear could use with exo-six chassis, please?
MikeR recommended a 55T 48P spur gear. I believe that a 60-61 will fit though. I'm not sure about 64P.
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Old 09-29-2016, 02:09 PM   #2249
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Could somebody tell me the biggest spur gear could use with exo-six chassis, please?
Used an 88t at the Reedy Race
I think that's about as large as one should go

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Old 09-29-2016, 09:29 PM   #2250
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MikeR recommended a 55T 48P spur gear. I believe that a 60-61 will fit though. I'm not sure about 64P.
I'm using 88T 64DP spur. Wouldn't go any larger than that really as it will get really close!
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