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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 11-26-2012, 09:37 AM   #2836
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Is there really supposed to be this much slop where the shock caps attach to the shock tower?? Seems like the plastic "shock balls" or " shock bushings" are too small ...
Speaking of shock balls, THREADED SHOCK POSTS are just in;

http://www.exotekracing.com/rb6-shock-post-set/

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Old 11-26-2012, 09:39 AM   #2837
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you guys are wearing my paypal out...
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Old 11-26-2012, 09:40 AM   #2838
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Well... had a very successful weekend running 17.5 spec this weekend. Ran all day Saturday, and all day Sunday. Saturday at my home track (brcr) I won both quals for a TQ, and took the win in the A main. Sunday at TRCR, I qualed 4th in the A and finished second. The car is driving and performing extremely well.

On another note, the swing shafts and outdrives seem to be wearing even faster on this car than on the RB5. Anybody know if MIP has their versions done yet for the buggy?
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Old 11-26-2012, 09:41 AM   #2839
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Quote:
Originally Posted by MikeR View Post
Speaking of shock balls, THREADED SHOCK POSTS are just in;

http://www.exotekracing.com/rb6-shock-post-set/

Would buy... if weren't red.
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Old 11-26-2012, 10:09 AM   #2840
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Diggity designs has some awesome products out.
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Old 11-26-2012, 10:27 AM   #2841
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Originally Posted by Cpt.America View Post
On another note, the swing shafts and outdrives seem to be wearing even faster on this car than on the RB5. Anybody know if MIP has their versions done yet for the buggy?
Eustace came around and chatted with us is the pits last weekend in Vegas and I believe he said the first of the year we will be seeing these for buggy.

Dean
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Old 11-26-2012, 10:38 AM   #2842
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Originally Posted by Cpt.America View Post
On another note, the swing shafts and outdrives seem to be wearing even faster on this car than on the RB5. Anybody know if MIP has their versions done yet for the buggy?
The tracks you run on seemed to be well groomed. Have you tried putting a lite coat of grease on the pins? It doesn't have to be much.

Congrats on your results.
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Old 11-26-2012, 10:42 AM   #2843
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Quote:
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The tracks you run on seemed to be well groomed. Have you tried putting a lite coat of grease on the pins? It doesn't have to be much.

Congrats on your results.
I haven't tried that... but on my home track, it would certainly bring a lot of grit into the outdrive... it is groomed and tacky clay, but we also get a lot of dust and the cars come off dirty. I would worry the grease could actually increase wear... what do you think?
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Old 11-26-2012, 10:44 AM   #2844
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Quote:
Originally Posted by MikeR View Post
Speaking of shock balls, THREADED SHOCK POSTS are just in;

http://www.exotekracing.com/rb6-shock-post-set/

Not sure about alum on alum. Have you considered making them out of delrin?
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Old 11-26-2012, 10:46 AM   #2845
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I'm going to order an alloy replacement for the RF2 part. The part that breaks all the time in my case. It's the rear hinge pin holder[front side]. I don't want to order the wrong part since they go for $30 each. Can anyone advise me which to order. I'm goingto order afew things at Amain anyways. Thanks to all
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Old 11-26-2012, 10:47 AM   #2846
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Originally Posted by MikeR View Post
Speaking of shock balls, THREADED SHOCK POSTS are just in;

http://www.exotekracing.com/rb6-shock-post-set/

Are they not going to tear through the aluminium caps?
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Old 11-26-2012, 10:50 AM   #2847
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Originally Posted by Cpt.America View Post
I haven't tried that... but on my home track, it would certainly bring a lot of grit into the outdrive... it is groomed and tacky clay, but we also get a lot of dust and the cars come off dirty. I would worry the grease could actually increase wear... what do you think?
try some bike chain lube that goes on wet and dries and leaves a film of lube. I doubt it would get much build up.
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Old 11-26-2012, 10:51 AM   #2848
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Isn't the actual cap piece that attaches plastic or is that my TC6 I am thinking of.
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Old 11-26-2012, 10:55 AM   #2849
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Are they not going to tear through the aluminium caps?
Is metal to metal advisable?
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Old 11-26-2012, 10:59 AM   #2850
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Originally Posted by Cpt.America View Post
I haven't tried that... but on my home track, it would certainly bring a lot of grit into the outdrive... it is groomed and tacky clay, but we also get a lot of dust and the cars come off dirty. I would worry the grease could actually increase wear... what do you think?
You probably will have to clean it frequently if you are getting dust on it. I bought a sc from someone and they had the Durango boots on the outdrives. That boot obviously protected the joint from getting dirt in it.

You could try the bike chain lube too.
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