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Old 03-06-2011, 05:19 PM
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Default Yokomo BD5 Gear Diff

Hi first time post for me and have gained alot from reading the previous posts. We race in Australia mostly on ashpalt surfaces. Running Modified at present (or my son is).

We have purchased a Yokomo BD5 gear diff and was wandering what drive shafts should be used? Can you use the TOP drive shafts with this diff? any advice is appreciated.
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Old 03-06-2011, 06:41 PM
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Originally Posted by Novice MS View Post
Hi first time post for me and have gained alot from reading the previous posts. We race in Australia mostly on ashpalt surfaces. Running Modified at present (or my son is).

We have purchased a Yokomo BD5 gear diff and was wandering what drive shafts should be used? Can you use the TOP drive shafts with this diff? any advice is appreciated.
I'm not sure if your planning on running the Yokomo Gear Diff in the front or the rear. I have run it in the rear so far with the stock length drive shafts (44.5mm). The only think you must do is install the Yokomo blades.

If your running on asphalt with rubber tires I'd suggest something like a 50wt / 400cst oil to start with. Your car will start to turn a lot more... so watch out!
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Old 03-06-2011, 09:41 PM
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Originally Posted by hanulec View Post
I'm not sure if your planning on running the Yokomo Gear Diff in the front or the rear. I have run it in the rear so far with the stock length drive shafts (44.5mm). The only think you must do is install the Yokomo blades.

If your running on asphalt with rubber tires I'd suggest something like a 50wt / 400cst oil to start with. Your car will start to turn a lot more... so watch out!
Thanks for the response. Plan to run it in the rear. The BD5 Gear diff comes with the blades so that should be fine. Aprreciate your advice. cheers George
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Old 03-07-2011, 12:58 AM
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George,

Did you get that diff locally?

Cheers
Phill
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Old 03-07-2011, 01:56 AM
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Originally Posted by TeamWTF View Post
George,

Did you get that diff locally?

Cheers
Phill
Hi Phil, got it from Hong Kong. Could not find it locally. cheers
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Old 03-07-2011, 02:03 AM
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I know RCMarket has the yoko diff for $45, don't think you will find it any cheaper, and it's likely too new to be local just yet, I'm tempted to buy one for if I want to run mod, being Yoko brand and from what others have said it's very well built.
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Old 03-07-2011, 02:33 AM
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Originally Posted by Novice MS View Post
Hi Phil, got it from Hong Kong. Could not find it locally. cheers
George i ahve a few spare yoke blades. I will bring them with me when i come up to get my chair off Trev
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Old 03-07-2011, 02:46 AM
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Would you buy the Yoko over the spec-r?
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Old 03-07-2011, 03:13 AM
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Originally Posted by Bishop View Post
I know RCMarket has the yoko diff for $45, don't think you will find it any cheaper, and it's likely too new to be local just yet, I'm tempted to buy one for if I want to run mod, being Yoko brand and from what others have said it's very well built.
Rcmarket is on back order. Shopping.rcmodel.* appears to have them

Originally Posted by TeamWTF View Post
Would you buy the Yoko over the spec-r?
The yokomo diff leaks less. With the spec-r you will have a line of oil down your body and bulkheads from the seam that binds the two half's together. I haven't run the yokomo diff a lot but if it holds up as good ad the spec-r ill be happy.
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Old 03-07-2011, 05:01 AM
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I tried to put differential grease on oring and differential seal...
now it's really good!
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Old 03-07-2011, 05:22 AM
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has anybody tried the TOP gear diff yet?

http://www.amainhobbies.com/product_...-Stock-Edition

would you still run a spool in front or another gear diff or a ball diff?
I don't know much about the gear diff yet.. but we're moving to asphalt soon and I would like to go faster than fast.
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Old 03-07-2011, 06:08 AM
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Last edited by *SBH*; 03-09-2011 at 07:03 AM. Reason: Mistake
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Old 03-07-2011, 06:22 AM
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Originally Posted by ewashburnaf View Post
has anybody tried the TOP gear diff yet?

http://www.amainhobbies.com/product_...-Stock-Edition

would you still run a spool in front or another gear diff or a ball diff?
I don't know much about the gear diff yet.. but we're moving to asphalt soon and I would like to go faster than fast.
Yes many have and had mixed results, I've had both and prefer the spec-r, but I have only been running the front and i run very thick fluid.
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Old 03-07-2011, 06:47 AM
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The TOP/Micro Pro/U-Pro diff is ok, it won't do mod, and maybe won't be as smooth due to design, but is fine for some things.


I ran mine a few weeks back with 100k front and stock fill rear, generally I really liked it, the car had insane steering everywhere, smooth into super bumpy corners with ability to pick any line, but in some ways while I did some good times, I'm not sure if I was overall faster than spool/ball, because having that ability meant your were not always on the fastest line.
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Old 03-07-2011, 07:05 AM
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Originally Posted by *SBH* View Post
Hi there
I have installed the Yokomo diff both front and rear with original aksles = 44,5mm rear and 46mm front, without any problems. I use 1000cst oil rear and 300000 cst oil front. The car is awesome.

Good luck
Hi,

Yokomo gear diff front and rear, sounds interesting.

What advantages did you see from running spool in the front and normal top diff in the rear on asphalt?

Adam Howe
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