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Old 06-28-2006, 11:05 AM   #14566
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Quote:
Originally Posted by CarKing
Thanks for all of the help guys! I got a few more question if you don't mind:
1. why does eveyone use yokomo front diffs?
2. what if the FDR on this car? i don't know the Internal ratio
3. what is a typical gearing on this car for 19t motors?

I am going out to run it this weekend and am really getting excited. Got to go buy myself a Mazda 6 shell
1) only people racing foam on carpet uses front diffs, and there isn't any tamiya front diff yet so they make it out of yokomo parts.
2) internal ratio is 2,187, FDR will depend on the pinion you put,
3) there is no typical gearing, it depends on what motor, what track, etc...
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Old 06-28-2006, 12:15 PM   #14567
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So what is used on the front end of the car if Tamiya doesn't make a front diff? What comes standard on the car. I think I am getting confused since I always considered it to have a front and rear ball diff.
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Old 06-28-2006, 12:20 PM   #14568
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for the front you use the included one way or a spool, which is in sense a locked diff.
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Old 06-28-2006, 12:20 PM   #14569
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the 415 comes standard with a one-way up front, tamiya makes a spool as well, front diff can be assembled from yokomo parts,part #'s are on tamiya's web site under the trf center,
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Old 06-28-2006, 12:34 PM   #14570
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Coming Soon: Item No.53921 - TRF415 Front Aluminum Differential Joint
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Old 06-28-2006, 01:27 PM   #14571
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thanks a lot. yeah the car has the spool in it right now. i never even thought about a locked front diff coming from the 04r
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Old 06-28-2006, 02:08 PM   #14572
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Hi,

thanks for the answers. But unfortunately it didn't really solved my problem.
So... can anyone check wether the Yokomo diff (with the necessary Tamiya parts) fits in the rear aswell?

Thanks
Cheers
Chris
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Old 06-28-2006, 02:34 PM   #14573
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Probably not. Yokomo uses the same diff in the front and back. 415 doesn't. Why don't you use a 415 diff in the rear?
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Old 06-28-2006, 02:36 PM   #14574
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Hi,

thanks. I want to use a 415 diff in the rear. But I want the alloy one.

Cheers
Chris
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Old 06-28-2006, 02:44 PM   #14575
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Quote:
Originally Posted by speedy-932
Hi,

thanks. I want to use a 415 diff in the rear. But I want the alloy one.

Cheers
Chris
Hi,
I doubt the MSX diff will fit in a BD, I don't know for sure (don't have a BD). It's possible that it might work, but you'd need to measure the distance between the bulkhead bearings on the BD to check the distance. IT could be too narrow.

The yokmo diff parts used on the front of the 415 are actually the rear outdrives from the old MR4-TC (the belt version before the SD), and are used simply because it had the pulley central in the car, like the 415 does for its front.

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Old 06-28-2006, 02:48 PM   #14576
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Hi,

thanks.
Do you can measure the outdrives of the 415?
I just need 2 sizes. The distance between the bulkheads and on the long half of the outdrives I need the size where the bearing sits looking from the inner site.
I hope you can understand what I mean.
Thanks a lot for your help

Cheers
Chris
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Old 06-28-2006, 04:36 PM   #14577
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Hello everyone,

If anyone is looking for an alum front diff click on the link below.

http://www.rctech.net/forum/showthre...01#post2466701
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Old 06-28-2006, 04:37 PM   #14578
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Quote:
Originally Posted by speedy-932
Hi,

thanks.
Do you can measure the outdrives of the 415?
I just need 2 sizes. The distance between the bulkheads and on the long half of the outdrives I need the size where the bearing sits looking from the inner site.
I hope you can understand what I mean.
Thanks a lot for your help

Cheers
Chris
distance between bulkheads = 23.4mm
distance from outter bearing to inner face of diff ring (thought this maybe more useful) = 15.74mm

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Old 06-28-2006, 05:52 PM   #14579
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the MSX rear diff IS alum, so upgrade to it.

http://www.tamiyausa.com/product/ite...oduct-id=53889
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Old 06-28-2006, 06:49 PM   #14580
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Hello Folks.

is there any place online i can buy the evo V suspension arms and steering arms as well?

Thank you
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