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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 02-27-2013, 09:32 AM   #5416
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Had a fun night racing last night at trcr. Running Brandon's setup felt really good. I was running the gold rear springs and decided to go up to reds and the car felt even better, less dumping in the corners and faster steering and cornering after the change. I am running stock pistons 35/30 oils. This car Is on rails as I have had no traction issues with the change at all. the track itself had great traction last night. So stable, best car I have ever owned! Just gets better.

Last edited by ryanpatrickgore; 02-27-2013 at 10:51 AM. Reason: Add
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Old 02-27-2013, 08:35 PM   #5417
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So I just realized the manual states to use the A0 caster insert in the right side and the B0 in the left side. I have mine the exact opposite, but still in the the proper wide track width configuration. What is the difference while using the 0's in the opposite configuration? Basically does it matter if I have the A on the B side and vice versa?
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Last edited by B00t13g; 02-27-2013 at 08:49 PM.
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Old 02-27-2013, 08:46 PM   #5418
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Still have a 1 race old rb6 for sale, pm me in interested
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Old 02-27-2013, 08:59 PM   #5419
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Quote:
Originally Posted by B00t13g View Post
So I just realized the manual states to use the A0 caster insert in the right side and the B0 in the left side. I have mine the exact opposite, but still in the the proper wide track width configuration. What is the difference while using the 0's in the opposite configuration? Basically does it matter if I have the A on the B side and vice versa?
With the 0, nothing. With any others, you'd be decreasing caster, rather than increasing.
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Old 02-27-2013, 09:06 PM   #5420
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Quote:
Originally Posted by B00t13g View Post
So I just realized the manual states to use the A0 caster insert in the right side and the B0 in the left side. I have mine the exact opposite, but still in the the proper wide track width configuration. What is the difference while using the 0's in the opposite configuration? Basically does it matter if I have the A on the B side and vice versa?

Nothing except change the width. You have to do the same thing on the other caster inserts to change the width also.
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Old 02-27-2013, 09:16 PM   #5421
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So if I'm running a2 on the left and b2 on the right in the narrow configuration i would be increasing caster and if I'm running a2 on the right and b2 on the left in the wide configuration I'm also increasing caster?
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Old 02-27-2013, 09:42 PM   #5422
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FYI kits are now off back-order. I have one coming in the mail to my LHS, should be here Friday.
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Old 02-28-2013, 05:05 AM   #5423
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FYI kits are now off back-order. I have one coming in the mail to my LHS, should be here Friday.
Finally
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Old 02-28-2013, 07:22 AM   #5424
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Finally got a few hours of practice with the car yesterday, and its really good I still feel like I need to adjust the shock package, but I'm not 100% which direction to go. I made 4x1.2 pistons, but could only find one pair in stock, I plan to try them up front.
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Old 02-28-2013, 07:26 AM   #5425
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I still have my rand new built rb6 for sale. Check it out in the for sale thread.
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Old 02-28-2013, 07:53 AM   #5426
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So if I'm running a2 on the left and b2 on the right in the narrow configuration i would be increasing caster and if I'm running a2 on the right and b2 on the left in the wide configuration I'm also increasing caster?
Correct?
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Old 02-28-2013, 09:04 AM   #5427
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Quote:
Originally Posted by B00t13g View Post
Correct?
that sounds right to me, but I admit I tend to need to have a visual on these things, and don't have the car in front of me. Search a couple pages back for a post I typed out about how you tell if the insert is increasing, or decreasing caster, regardless of where you put your insert.
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Old 02-28-2013, 09:38 AM   #5428
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Quote:
Originally Posted by Cpt.America View Post
that sounds right to me, but I admit I tend to need to have a visual on these things, and don't have the car in front of me. Search a couple pages back for a post I typed out about how you tell if the insert is increasing, or decreasing caster, regardless of where you put your insert.
Thanks Brandon. I don't either, but your explanation works!
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Old 02-28-2013, 07:12 PM   #5429
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How do u guys measure the front ride height
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Old 02-28-2013, 10:27 PM   #5430
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How do u guys measure the front ride height
Ride height gauge.. under the front.
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