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Old 03-21-2008, 08:15 AM   #931
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Default Truggy ring and pinoin in the MBX5R

I was checking out my buddies RC8 the other day and couldn't figure out how his car would come out of a corner and accelorate harder than my 5R. I got to looking at the specs and it has truggy gearing. I was thinkung of trying to put the 5T ring and pinions in my 5R's f/r diffs to see if I could match it. On his RC8 he's running a 16t cb with the stock 44t diff gear plus he's running a RB WS11. My 5R is a 46t diff gear with a 14t cb and i'm running a Hot Mod Novarossi 821B. Down thw straight I catch and pass with ease but the bottom end and acceloration in stupid on the RC8. We swapped engines and kept our gear ratios the same and his car with my engine did the same thing.
What do you all think? Truggy gearing in the f/r diff's?


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Old 03-21-2008, 08:38 AM   #932
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Running a 14T with stock 46T spur will give you more top end . If you run the 14T CB put a 48T spur. If you stick with the 46T spur, then swap back to a 13T CB.
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Old 03-21-2008, 12:30 PM   #933
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Originally Posted by ezveedub View Post
Running a 14T with stock 46T spur will give you more top end . If you run the 14T CB put a 48T spur. If you stick with the 46T spur, then swap back to a 13T CB.
+1...made the switch from a 14t cb to a 13t and it made a big difference on low end....
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Old 03-22-2008, 08:16 AM   #934
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how many shims are you guys running usually on the diffs?
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Old 03-22-2008, 08:18 AM   #935
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It should be one shim per gear, just like in the manual.
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Old 03-22-2008, 10:55 AM   #936
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hi guys, i'm looking to run the older MBX5 tension rod setup on my 5R.
what's the parts needed?

i oredy have the frt and rear tension rod.
need the plastic arms tt fit on the ends of the rods.
what part no. is it?

in the mbx5 manual it's C0107A but i can't find them anywhere.
are the arms the same as C0115?
http://www.amainhobbies.com/product_...oducts_id/8972

thanks in advance!
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Old 03-22-2008, 05:17 PM   #937
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Quote:
Originally Posted by Cain View Post
how many shims are you guys running usually on the diffs?
run mine with no shims for years and no problems at all
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Old 03-22-2008, 07:31 PM   #938
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Quote:
Originally Posted by n.e.r.d View Post
hi guys, i'm looking to run the older MBX5 tension rod setup on my 5R.
what's the parts needed?

i oredy have the frt and rear tension rod.
need the plastic arms tt fit on the ends of the rods.
what part no. is it?

in the mbx5 manual it's C0107A but i can't find them anywhere.
are the arms the same as C0115?
http://www.amainhobbies.com/product_...oducts_id/8972

thanks in advance!
Hi,

You might want to download the old MBX5 manual at:
http://www.mugenracing.com/image/mbx-5_pic/x5manual.pdf

I took a look at my 5 and 5R manuals, but sorry, I cannot figure out whether the C0115 would work.

Best regards,
Frank

Last edited by Starter box; 03-24-2008 at 09:47 AM.
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Old 03-23-2008, 06:02 AM   #939
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to cbaranski it looks that you got the top end but you suffer the bottom because of the CB,but on the rc8 wat pipe he 's using ,i got something for you to try w/out changing the 14t CB,& its been a while my clutch set-up is effective but you can give it a try,2 alum.shoe w/ 1.1 spring ,1 carbon shoe w/ .95 ...........you will see a difference it will give you bottom that you looking for
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Old 03-23-2008, 11:37 AM   #940
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Hi Frank,
Thanks for the link to the mbx5 manual.
I have the manual in hand too,

When you look at instruction no. 24 (tension rod)
the part no. is C0107A (that attaches to the rods E0114/5).
I've been looking for tt part, no one seems to have it.

But C0107A is very similar to C0115 "upper arm link MBX"
(which I oredy have), i'm wondering if they're the same??
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Old 03-23-2008, 03:22 PM   #941
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You can make it accelerate even harder out of the hole if you go 48T spur and stay with the 13T CB. It comes out like a rocket with still plenty of top end
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Old 03-23-2008, 10:22 PM   #942
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Quote:
Originally Posted by n.e.r.d View Post
Hi Frank,
Thanks for the link to the mbx5 manual.
I have the manual in hand too,

When you look at instruction no. 24 (tension rod)
the part no. is C0107A (that attaches to the rods E0114/5).
I've been looking for tt part, no one seems to have it.

But C0107A is very similar to C0115 "upper arm link MBX"
(which I oredy have), i'm wondering if they're the same??
Yes, C0115 is the correct part # for the plastic links. You also need the balls (I believe they are part numbers H0180 and C01017D). You need three of the ones with the flat side and one of the ones that has no flat sides.

By the way of anyone is looking for the old standard tension rods, I have a brand new set (comes with both rods, plastic ends and balls...all brand new).

Best regards,
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Old 03-24-2008, 12:31 AM   #943
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thanks Tony,
just the reply I was waiting for!

btw, in your opinion, is it worth changing the whole drivetrain of the 5R to the 5T? (front, center and rear diffs)
assuming gear ratios are the same, what's the advantage?
what I've heard is that the whole drivetrain is lighter = better acceleration?
others say it's the low CG..
and I'm suppose to use 16T bell with 44 main spur correct?

appreciate your comments, thanks!
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Old 03-24-2008, 01:20 AM   #944
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If you do use the truggys drivetrain...the only thing different is the 10T bevel gear on the front and rear diffs in regards to 13T of the buggy.
The 10T will alow you to run a 44T spur with 16CB instead of 46T spur and 13CB.

IMHO the 10T bevel does't lower the CG and the -2T on the spur won't make much difference either.
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Old 03-24-2008, 06:03 PM   #945
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Quote:
Originally Posted by n.e.r.d View Post
Hi Frank,
Thanks for the link to the mbx5 manual.
I have the manual in hand too,

When you look at instruction no. 24 (tension rod)
the part no. is C0107A (that attaches to the rods E0114/5).
I've been looking for tt part, no one seems to have it.

But C0107A is very similar to C0115 "upper arm link MBX"
(which I oredy have), i'm wondering if they're the same??
Hi,

Finally I found it: In the parts list of the MBX5R, the C0107A is listed as (the one and only) part of the C0115 parts package "Upper Arm Link".

So I can second Tony's statement that it is the correct one.

Best regards,
Frank
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