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Old 10-10-2016, 02:30 PM   -   Wikipost
R/C Tech ForumsThread Wiki: Inferno MP9 thread
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Last edit by: tobamiester
Another TKI thread, more TKI4 Specific http://www.rctech.net/forum/nitro-of...buggy-kit.html

TKI4 Replacement Parts (Good for upgrading from TKI3) http://www.kyoshoamerica.com/Replace...ts_c_1505.html

TKI4 Optional Parts http://www.kyoshoamerica.com/Option-Parts_c_1506.html

Some notes on the new Towers/Long shocks here

Picked up a TKI3 and want to upgrade to TKI4 ? Here are all the updated parts:

Shocks

IF347-155 1.5X5 Pistons
IF471-01 Front Shock Body
IF470-01 Rear Shock Body
IF470-03BK Shock Adjust Dial
IFW154 Boots
IF346-05C Shock End Set

Wing

IF491BK Wing
IFW460B Wing Mount/Stay

Rear End

IFH006W Wheel
IF490 HUB
IF490-01 Hub Insert
IF492 Shock Pin
IF423HB Rear Arm
IF287 Hard Upper Rod Rear

Front End

IF489 Steering Rod Set
IF488 Knuckles
IF487H Front Arm
IFW458 Hard Lower Pin
IFW425 93MM CVD
IF286 Hard Upper Rod
IF486 Lower Susp Holder
IFW459 Servo Saver (Hard)
IF446B Ackerman Arm
IF426-64.5 Susp Shaft

Other

IF469B Filter
97035LW-13 Clutch Bell
IF453B Body Mount
IFW107GM Hexes
W300910 Washer
IF443B Center Diff Plate
IF444C Tank
IF479B Radio Box
96772 13x16x0.15mm Shim
IF481B Fuel Tank Stay
IFW336GM Wheelnut
IFB008 TKI4 Body
IFD403W TKI4 Decal

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Old 04-11-2013, 10:47 AM
  #13981  
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Originally Posted by dooug1960
ive read all 930+ pages and i dont recall anyone doing anything to the fuel tank. I could be wrong as ive read most all of the major cars threads but if your worried about it cracking a little foam couldnt hurt
Neither did I. Haha I heard someone at the track talking about putting foam under the tank but I had never heard of it. Just making sure.

How are you guys shimming the front and rear diffs?

Eddy
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Old 04-11-2013, 10:50 AM
  #13982  
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Originally Posted by E-Eddy
How are you guys shimming the front and rear diff? I noticed that there is a good amount of play between the ring and pinion even with one shim on the left side of the diff.

Also, what'd you guys do to the tank? I've heard of people putting foam under the tank so it won't crack on the chassis.

Eddy
Eddy,

I put the foam from an old air cleaner under my tank just to help cushion the tank in the event of a really hard landing.

Lee
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Old 04-11-2013, 03:32 PM
  #13983  
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Originally Posted by E-Eddy
How are you guys shimming the front and rear diff? I noticed that there is a good amount of play between the ring and pinion even with one shim on the left side of the diff.

Also, what'd you guys do to the tank? I've heard of people putting foam under the tank so it won't crack on the chassis.

Eddy
I've got 2 shims in both my front and rear diff. I've also got shims in my centre diff to take out the play there aswell. If you need more than 2 shims I'd look at replacing the bulkhead.

Just like any car, you want as little play as you can get. Both side to side in the housing and between the ring and pinion
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Old 04-11-2013, 06:42 PM
  #13984  
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Originally Posted by McD44
I'm going to try out your outer hole on arm setup. I've always been curious about running the outer holes. The front seems a little soft with the lighter oils but we'll have to see on the track.

What kind if surface do you run that spring setup on (bite, smooth or rough)? I have been preferring lt blue front orange rear lately but will try all lt blue to stay consistent with your recommendation.
My Son ran the outer hole setup at the recent National Titles here and the track was grippy but the setup will work on Moderate grip tracks also and seems to be stable through the rough.

Of course there will be times where a tweak to the setup may be needed on loose tracks such as orange springs on the rear.
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Old 04-11-2013, 08:47 PM
  #13985  
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Last edited by My ST-RR EVO; 04-11-2013 at 09:16 PM. Reason: error in posting
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Old 04-11-2013, 09:13 PM
  #13986  
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Last edited by My ST-RR EVO; 04-11-2013 at 09:18 PM. Reason: error in posting
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Old 04-11-2013, 09:18 PM
  #13987  
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Originally Posted by killabud
Does anyone run the CSI pistons in their mp9? Right now I'm using the kit pistions ( black and white) seems everyone runs those 1.3x8w but they are out of stock everywhere. Suggestions on an oil setup for the stock pistons are welcome. Thanks!
I just switched back to the stock pistons. 32.5f / 27.5r with TLR oil is working great in my car with the rest of my set up. Its a good starting point in 60-65 degree weather.
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Old 04-11-2013, 09:20 PM
  #13988  
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Originally Posted by E-Eddy
How are you guys shimming the front and rear diff? I noticed that there is a good amount of play between the ring and pinion even with one shim on the left side of the diff.

Also, what'd you guys do to the tank? I've heard of people putting foam under the tank so it won't crack on the chassis.

Eddy
My diffs didn't have much side to side play within the housing, so I didn't use many if any shims for that, but there was just a little slop between the gear. I did notice that the pinioin gears didn't make full contact against the diff gear. I shimmed the pinion gear by sliding shims (from KYO96643) on the pinion shaft before putting the shaft through the bearings. The shims fit perfect over the shaft and only touch the inner race of the bearing, not the seals. Since the pinion's gear have a wider diameter the more it gets shimmed toward the diff gear, the tighter it gets, which takes out the little bit of slack that was there. A little unconventional, but now the teeth are making full contact and haven't had any problems since I did it numerous months ago. The diff spins true and smooth.
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Old 04-12-2013, 04:22 AM
  #13989  
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Originally Posted by E-Eddy
Also, what'd you guys do to the tank? I've heard of people putting foam under the tank so it won't crack on the chassis.

Eddy

I run a piece of thin sponge under my tank. 0 issues since the original TKI1. Plus it helps soak up overflowed fuel during pit-stops for "less mess" on the chassis! Only issues I've ever seen with Kyosho tanks are on the ST-RR truggy.
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Old 04-12-2013, 04:36 AM
  #13990  
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Originally Posted by My ST-RR EVO
My diffs didn't have much side to side play within the housing, so I didn't use many if any shims for that, but there was just a little slop between the gear. I did notice that the pinioin gears didn't make full contact against the diff gear. I shimmed the pinion gear by sliding shims (from KYO96643) on the pinion shaft before putting the shaft through the bearings. The shims fit perfect over the shaft and only touch the inner race of the bearing, not the seals. Since the pinion's gear have a wider diameter the more it gets shimmed toward the diff gear, the tighter it gets, which takes out the little bit of slack that was there. A little unconventional, but now the teeth are making full contact and haven't had any problems since I did it numerous months ago. The diff spins true and smooth.
Yeah, I noticed that there wasn't any side to side play in the bulkhead in order to shim The diff. I couldn't even get the diff in the bulkhead with one shim. But I will definitely go back and shim the pinion.

Eddy
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Old 04-12-2013, 05:08 AM
  #13991  
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Originally Posted by smelly62
My Son ran the outer hole setup at the recent National Titles here and the track was grippy but the setup will work on Moderate grip tracks also and seems to be stable through the rough.

Of course there will be times where a tweak to the setup may be needed on loose tracks such as orange springs on the rear.
Thanks a lot for that will hopefully have a play with that this wknd.
Getting myself a set of orange springs may also be a good idea for my home track as its very loose...
I hope to be over ur way next fortnight for the night meet. I will run the Cody king setup as a start, it will be the first time I've ran my mp9 on that track. A bit excited
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Old 04-12-2013, 07:04 AM
  #13992  
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Originally Posted by My ST-RR EVO
I just switched back to the stock pistons. 32.5f / 27.5r with TLR oil is working great in my car with the rest of my set up. Its a good starting point in 60-65 degree weather.
Good to know. I just rebuilt with Mugen 450F\400R that comes out to about 35 and 30 Losi so Im not far off. I have the light blue springs on now but plan to give the orange on the rear a try tomorrow.
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Old 04-12-2013, 07:23 AM
  #13993  
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Just building up the Mp9 TKI3 now. The rod ends are a complete and utter ball ache to do. Any easy tips, as my fingers are killing me trying to do this manually!
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Old 04-12-2013, 07:32 AM
  #13994  
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Originally Posted by My ST-RR EVO
My diffs didn't have much side to side play within the housing, so I didn't use many if any shims for that, but there was just a little slop between the gear. I did notice that the pinioin gears didn't make full contact against the diff gear. I shimmed the pinion gear by sliding shims (from KYO96643) on the pinion shaft before putting the shaft through the bearings. The shims fit perfect over the shaft and only touch the inner race of the bearing, not the seals. Since the pinion's gear have a wider diameter the more it gets shimmed toward the diff gear, the tighter it gets, which takes out the little bit of slack that was there. A little unconventional, but now the teeth are making full contact and haven't had any problems since I did it numerous months ago. The diff spins true and smooth.
+1 was difficult to put shims in side when building from new, after break in though its possible after a few meetings to get a shim in, as for the pinion shaft I also use a clutch shim .010 then push the centre Universal on tight no gap and as you say spins nice and free but with no movement
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Old 04-12-2013, 08:00 AM
  #13995  
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Originally Posted by trr061984
Just building up the Mp9 TKI3 now. The rod ends are a complete and utter ball ache to do. Any easy tips, as my fingers are killing me trying to do this manually!
pliers

the side of the ball end that has the shiny ring from the mold just visible around the orifice that you would insert the ball is the side you would wanna install the ball from , after you assemble the ball/end squeeze with medium heavy pressure on the sides of the rod end with the pliers , this will stretch the rod end a lil and provide for free suspension movement
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