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Old 12-21-2016, 08:46 AM   -   Wikipost
R/C Tech Forums Thread Wiki: Kyosho Ultima RB6 & RB6.6 Car Thread
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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 08-24-2014, 04:57 AM   #10726
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Sorry double post
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Old 08-24-2014, 12:48 PM   #10727
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Has anyone tried the new brass bulk head??

I've got one on order to try out on my MM Rb6, hoping it'll give a bit more slow speed steering
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Old 08-25-2014, 12:14 PM   #10728
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I see a lot of people mention the "Japan" setup for RM, what are they referring to? Is it still the go-to for RM/17.5?
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Old 08-25-2014, 02:22 PM   #10729
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Hey guys here is a video/setup sheet of what I found to be a pretty good setup on Med/High grip clay tracks....

A lot of the team guys and customers have switched to it and they all seem to love it, and better yet all have said the same thing feedback wise on what it actually does to the car...

Hope the video might help some people with their Kyosho car!

https://www.youtube.com/watch?v=9Siu...OfMhZSjsZh5Tnw
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Old 08-25-2014, 03:21 PM   #10730
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Quote:
Originally Posted by Enigma R/C View Post
Hey guys here is a video/setup sheet of what I found to be a pretty good setup on Med/High grip clay tracks....

A lot of the team guys and customers have switched to it and they all seem to love it, and better yet all have said the same thing feedback wise on what it actually does to the car...

Hope the video might help some people with their Kyosho car!

https://www.youtube.com/watch?v=9Siu...OfMhZSjsZh5Tnw
Link not working. Any help on setting up the car for the first time is much appreciated.
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Old 08-25-2014, 03:24 PM   #10731
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Sorry about that, hopefully this one works!


https://www.youtube.com/watch?v=9Siu...OfMhZSjsZh5Tnw
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Old 08-25-2014, 03:28 PM   #10732
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can you please tell us exactly where you drilled the hole on the rear arms
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Old 08-25-2014, 03:45 PM   #10733
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I used the side that already has two holes on them, and measured the distance between those two and made the 3rd hole, however you can do it on the other side as well, but it will actually be half a hole in more than the setup I am running.

Hope that helps.
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Old 08-25-2014, 03:45 PM   #10734
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Quote:
Originally Posted by Enigma R/C View Post
Sorry about that, hopefully this one works!


https://www.youtube.com/watch?v=9Siu...OfMhZSjsZh5Tnw
Do you have a link to the setup sheet??
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Old 08-25-2014, 03:50 PM   #10735
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Its is linked in the description of the video on youtube...however I know you have to go through a website to get it.

Its also on petitrc but the site is down at the moment? So as soon as they are back going I will post the link!
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Old 08-25-2014, 03:54 PM   #10736
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Quote:
Originally Posted by Enigma R/C View Post
Its is linked in the description of the video on youtube...however I know you have to go through a website to get it.

Its also on petitrc but the site is down at the moment? So as soon as they are back going I will post the link!
Sounds great thank you. What did drilling the arms do?? How did it affect the car??
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Old 08-25-2014, 04:42 PM   #10737
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Im not sure how your car feels without them drilled, but mine always felt stiff/bindy in the rear end, which on the track lead to my car never being able to carry corner speed without getting loose and my car always seemed to pull one way on power(never had just wheelie type grip.) This hole makes the car have a lot more roll, which you would think would make the car loose in corners, however it actually makes the car feel more like a slot car, or a car driving on a rail in sweepers....also the forward bite doesn't even come close to comparing the old shock positions...standing them up like I have allows the car to be a lot softer and work with its own pivot points a lot better...also I have had people question the way the car will transfer weight with this new setup, and all I can say is drive it and be blown away, yes the weight transfer is a lot great in all directions, but its funny how now the car actually has more steering than before, yet still has more side to side traction even though the car is being thrown into the corner faster.

Side note that if you are to do this setup PLEASE PLEASE PLEASE do not half A$$ the setup by not making sure your droop and ride height is also the same as my setup sheet for a base start, as I have noticed those 2 things are much more crucial with this setup than the previous setup.

Thanks,
Zack Rogers
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Old 08-25-2014, 05:02 PM   #10738
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Quote:
Originally Posted by Enigma R/C View Post
Im not sure how your car feels without them drilled, but mine always felt stiff/bindy in the rear end, which on the track lead to my car never being able to carry corner speed without getting loose and my car always seemed to pull one way on power(never had just wheelie type grip.) This hole makes the car have a lot more roll, which you would think would make the car loose in corners, however it actually makes the car feel more like a slot car, or a car driving on a rail in sweepers....also the forward bite doesn't even come close to comparing the old shock positions...standing them up like I have allows the car to be a lot softer and work with its own pivot points a lot better...also I have had people question the way the car will transfer weight with this new setup, and all I can say is drive it and be blown away, yes the weight transfer is a lot great in all directions, but its funny how now the car actually has more steering than before, yet still has more side to side traction even though the car is being thrown into the corner faster.

Side note that if you are to do this setup PLEASE PLEASE PLEASE do not half A$$ the setup by not making sure your droop and ride height is also the same as my setup sheet for a base start, as I have noticed those 2 things are much more crucial with this setup than the previous setup.

Thanks,
Zack Rogers
Thanks for explanation Zach. What tires were you running in the video?? The car does really look hooked up!!
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Old 08-25-2014, 05:15 PM   #10739
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Thanks man!

I am running gold barcodes all the way around, dirt tech inserts, liquid wrench tire sauce.
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Old 08-25-2014, 10:59 PM   #10740
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Your freakin set up better work Zack, I just spent the entire evening rewiring my electronics back to how they used to be so I can put your set up on my car. If it doesn't don't expect me to move when youre lapping me for the 5th time.
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