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Old 03-31-2006, 06:58 AM   #13636
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Quote:
Originally Posted by DOTMAN
This was from the Tamiya site:


TRF 415 Ball Diff
Tamiya America is fully aware that many of our U.S. customers are racing on carpet. As we have found it is preffered to have a ball diff in the front for best performance. At this time Tamiya does not offer a front diff as both the Asian and European markets have no need. This is due to the fact that racers in those markets run mostly on sweeping high speed flowing tracks, hence the dominant choice of one-way cars.

Interim solution
In the interim, Tamiya America recommends the following Yokomo parts to directly fit a ball diff on your 415.
YOK-ZS-501 complete diff half's
YOK-ZC-507 diff thrust bearing set
YOK-ZS-508 diff adjusting kit
The stock Tamiya 415 diff rings will work with these parts as well as the stock rear pulley. Note: depending on what suspension arm system you use it may be necessary to use either 42mm or 46mm universal swing shafts. This is a interim solution and we hope you find it useful. For you TCS racers out there, please note that this modification is not TCS legal
from a few pages back....
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Old 03-31-2006, 07:34 AM   #13637
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Quote:
Originally Posted by Turbonium
from a few pages back....
Thanks,
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Old 03-31-2006, 12:01 PM   #13638
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I use this set-up and it works wonderful, the front diff has held up much better than my rear diff. If you want to lock the center pullies, you can buy a locked pully that replaces the one way. I have thisnad it works fine, but the better option to save wieght is 1 wider pully. I don't know if you can get this without buying the parts set, but here are the links to what i believe are the right parts.

http://www.speedtechrc.com/store/ebp...id=269&id=1785 locked center

http://www.speedtechrc.com/store/ebp...id=269&id=4740 parts set

Now, i have a question of my own. The belt stabilizer, i know this helps keep the belt on track, but does it cause extra friction? is it worth using?

Last edited by Sryder7; 03-31-2006 at 12:11 PM.
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Old 03-31-2006, 02:26 PM   #13639
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Quote:
Originally Posted by CRASH
Thanks,

Or you can buy ready to go !!!!

http://www.precisionrc.com/nv/car/pr...oduct_id=27516
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Old 03-31-2006, 02:51 PM   #13640
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Thanks for the input. That is what I shall do.

Thanks,
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Old 03-31-2006, 03:02 PM   #13641
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Tony, you dont need no diff. One-way will work fine on Carpet. I will be running a Tamiya with a one-way. You will be ok.
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Old 03-31-2006, 03:57 PM   #13642
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Quote:
Originally Posted by 2Fast4U2
Tony, you dont need no diff. One-way will work fine on Carpet. I will be running a Tamiya with a one-way. You will be ok.
Shaft vs Belt, the ultimate battle.

Later,
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Old 03-31-2006, 10:50 PM   #13643
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hey guys, from what i'm reading some of you are running on carpet and i was wonder what you were doing for tires. I was using 28mm rear and 26 front because that's what i had from my old car. the 26's in the were working fine, the ball cups rubbed, not a big deal it happens on alot of cars. the 28's in the rear rubbed on the shocks. they rubbed sooo bad that they almost cut right to the ball stud that holds them on i was wondering if any of you carpet goers have this problem and how you solved it?
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Old 04-01-2006, 06:58 AM   #13644
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What hexs do you have on the car, by this I mean thickness? Tamiya makes several diffrent ones. They have 4mm, 5mm and a 6mm. You can also just space the tires out with some washers, till they don't rub.

By the way 28mm foams should fit all the way around with no problems.

Later,
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Old 04-01-2006, 09:48 AM   #13645
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k thanks, that what i thought, i have the 4mm blue ones(i'm pretty sure without checking) so i'll buy the 6mm ones cause my car isn't 190mm wide either until then, i have they strangly larger red washers that came with the car, are those by any chance wheel spacers?
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Old 04-01-2006, 12:57 PM   #13646
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Another question . If i remove the wheel spacers (standard blue ones) from the rear hexes would that make it turn quicker (more steering) because of the reduced track width or should i add spacers to give more steering?

Cheers, Charles
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Old 04-01-2006, 07:48 PM   #13647
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Quote:
Originally Posted by Charles Godwin
Another question . If i remove the wheel spacers (standard blue ones) from the rear hexes would that make it turn quicker (more steering) because of the reduced track width or should i add spacers to give more steering?

Cheers, Charles
Yes, narrower track will give you better response and steering but you lose stability.
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Old 04-01-2006, 09:32 PM   #13648
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Quote:
Originally Posted by axle182
Just to clarify, you need the whole TA05 centre pulley arrangement, including the spur mount. you put it together exactly the same as the TA05 setup, but im sure you can use the 415 shaft. the shaft is the only part from the 415 that u need. Pretty sure thats right. Check out the TA05 manual for how its arranged. Very basic

You can use the HB Cyclone shaft too. They have one for locked gears and it fits the MSX if the TAMIYA 51214 Centershaft is not availible.
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Old 04-01-2006, 09:49 PM   #13649
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Has anyone try using the spool on the rear, locked mid gear, and a front one-way with foams before? Might almost be like the gas sedans. The rears on those are almost locked(like the 1/8-scales).

I am going to pin my extra rear diff and try it out. Something to do
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Old 04-02-2006, 06:08 PM   #13650
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how to make the drive train powerloss as possible.. any suggestions...

how to increase the ride height??
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