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Kyosho Ultima RB6 & RB6.6 Car Thread

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Kyosho Ultima RB6 & RB6.6 Car Thread

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Old 12-21-2016, 08:46 AM   -   Wikipost
R/C Tech ForumsThread Wiki: Kyosho Ultima RB6 & RB6.6 Car Thread
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
Last edit by: tobamiester
RB6.6 Kyosho America Product Page: http://www.kyoshoamerica.com/ULTIMA-...T_p_24505.html

RB6.6 Manual http://www.kyosho.com/jpn/support/in...A_RB6_6_IM.pdf

RB6.6 Kyosho Youtube https://www.youtube.com/watch?v=vW_sR667utY

MSRP $639 MAP $399.99

-------------------------------
New RB6.6 parts (compared exploded views, prices and links are Kyosho America):

Chassis:
  1. Main chassis - UM731 - $125.99
  2. Side guards - UM732 - $9.99

Battery Holder:
  1. Battery plate - UM733 - $8.99
  2. Battery foam - UM741 - $7.99

Rear Bulkheads:
  1. MM3 and Laydown - UM740 - $9.99
    • MM3 bulkhead
    • Laydown bulkhead
    • Swaybar Holders

3 Gear Transmission (MM and RM):
  1. Transmission - UM734 - $10.99
    • transmission cases
    • spacers
    • caps
    • plastic FR & RR suspension hangers

  2. Gear Cover - UM735 - $6.99

Laydown Transmission (3 and 4 gear possible):
  1. Transmission - UM736 - $10.99
    • transmission cases
    • spacers
    • caps
    • required extra hardware
    • pastic FR suspension hanger

  2. 40T idler - UM737 - $6.99
  3. Motor plate - UM738 - $18.99
  4. Gear cover - UM739 - $6.99

Body:
  1. Blade body - UMB05 - $27.99

Optional Parts:
  1. Lightweigt Blade body - UMB05LW - $31.99
  2. Aluminum FR suspension hanger - UMW705B - $28.99 (may be able to file UMW705 to fit)
  3. Brass FR suspension hanger - UMW725B - $30.99 (looks more different than UMW725..someone confirm?)

Typical Upgrades for new RB6.6 Buyers

UMW701 Aluminum Steering Plate (RB6)
UMW702 Aluminum Crank Arm (RB6)
UMW704-0 V2 Aluminum Rear Hub Set(0°/RB6)
UMW705B Aluminum Rear Sus. Holder (RF/RB6.6) or brass UMW725B
UMW707 Aluminum Rear Sus. Holder (RR-Mid)

Nice to have:

UMW723 Aluminum Front Sus Block (Type B/10g/RB6/RT6/SC6).


Aftermarket Parts:

Front Wing: https://www.prolineracing.com/perfor...mount-alum-rb6

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Old 07-03-2013, 11:44 AM
  #7471  
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Will the B4 wheels fit on this if they are pin/hex RB5 SP2? (I know this is the rb6 thread sorry)

So b4 wheels to RB5 SP2 worlds.
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Old 07-03-2013, 11:55 AM
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Only hex will work.

I have JC b4.2 wheels that I'm using with no issues.
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Old 07-03-2013, 01:06 PM
  #7473  
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Originally Posted by Cspurlock
For those of you running MM, I tried the new Exotek narrow hangers last night. It made a difference in overall traction. Car felt much better with them. Didn't really notice any downside to them either.
Did you get them at OCRC or direct from Exotek?
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Old 07-03-2013, 01:18 PM
  #7474  
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Originally Posted by Cspurlock
For those of you running MM, I tried the new Exotek narrow hangers last night. It made a difference in overall traction. Car felt much better with them. Didn't really notice any downside to them either.
Sorry for my noob question, but I'm just getting started with the RB6. To go narrow MM, do I need the Exotek MMR hangere only, or the MMR2 as well?

Thanks.

mlinder
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Old 07-03-2013, 01:34 PM
  #7475  
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Originally Posted by Jam-Air
Did you get them at OCRC or direct from Exotek?
direct

You need the narrow MM rear hanger and the std RF narrow hanger.
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Old 07-03-2013, 03:16 PM
  #7476  
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Originally Posted by Cspurlock
direct

You need the narrow MM rear hanger and the std RF narrow hanger.
Thanks, Was able to get a set out, be here Friday.

Which rear arm? 521-1 or stock rb-6
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Old 07-03-2013, 03:38 PM
  #7477  
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Originally Posted by Jam-Air
Thanks, Was able to get a set out, be here Friday.

Which rear arm? 521-1 or stock rb-6
521-1 and .5 hubs 3 deg antisquat 30deg kickup
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Old 07-03-2013, 06:57 PM
  #7478  
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Hey guys what does narrowing the front do to the car? Thx
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Old 07-03-2013, 07:12 PM
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Originally Posted by gelshocker
Hey guys what does narrowing the front do to the car? Thx
Makes the car turn in harder, little loss in stability

Wider makes it turn in softer
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Old 07-03-2013, 11:11 PM
  #7480  
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Thanks, so going wide seems like one method to curb any aggessive steering.
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Old 07-04-2013, 05:58 PM
  #7481  
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Originally Posted by Cspurlock
For those of you running MM, I tried the new Exotek narrow hangers last night. It made a difference in overall traction. Car felt much better with them. Didn't really notice any downside to them either.
Today i tried 1 deg hubs with 3 deg of anti squat and it felt really good. Lots of traction inthe rear but still rotated in good.
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Old 07-05-2013, 09:55 AM
  #7482  
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I have a RB 6 on the way and have some questions on set up

what are the inserts in the caster blocks for? do they adjust overall caster ?

how how is the front end width adjusted?

does the car come with wide or narrow rear hangers
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Old 07-05-2013, 10:46 AM
  #7483  
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Originally Posted by EJF
I have a RB 6 on the way and have some questions on set up

what are the inserts in the caster blocks for? do they adjust overall caster ?

how how is the front end width adjusted?

does the car come with wide or narrow rear hangers
Read post #1
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Old 07-06-2013, 02:27 AM
  #7484  
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Got a chance to take the new girl out,

Ran it all stock. It's pretty good, but will need a little more time to dial it in. The only thing I wasn't too thrilled with were the 5 hole shock pistons, seemed to lack just enough pack to make the chassis bottom out a little bit too much. Outside of that, I'm pretty impressed so far. Now some serious practice days at the track are in order.
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Old 07-06-2013, 10:16 AM
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Originally Posted by Teufel Racing
Got a chance to take the new girl out,

Ran it all stock. It's pretty good, but will need a little more time to dial it in. The only thing I wasn't too thrilled with were the 5 hole shock pistons, seemed to lack just enough pack to make the chassis bottom out a little bit too much. Outside of that, I'm pretty impressed so far. Now some serious practice days at the track are in order.

You should've asked one of us at the track. You never drove mine when I had it but it was dialed. 4x1.3 ghea pistons is what everyone is using.
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