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Yokomo YZ-2T 2WD ST truck

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Yokomo YZ-2T 2WD ST truck

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Old 11-05-2018, 08:42 AM   -   Wikipost
R/C Tech ForumsThread Wiki: Yokomo YZ-2T 2WD ST truck
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Last edit by: Cain
Yokomo YZ-2T details to include setup
3 Pad Slipper Conversion Parts needed:
  • YOKS4-303OP Slipper Outer Plate
  • YOKS4-303P1 Slipper Pate Disc Plate
  • YOKB2-670C Slipper Pad (need 1 of these)
Stock Spring Measured Rating (By Neal Lewis)
  • Front: 7.17 n/cm 4.10 lb/in 54.5mm length
  • Rear: 3.77 n/cm 2.15 lb/in 72mm length

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Old 09-16-2023, 07:42 AM
  #346  
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If its possible to put something that you can check the option for the a-arms you are using, carriers, etc that would be nice. For example, some may still be using the Yokomo YZ2T a-arms for AE T6.X a-arms, etc. or say rear carriers or the CAL3.X steering versus stock YZ2T / CAL2, etc.

Nice work though.
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Old 09-16-2023, 08:21 AM
  #347  
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Originally Posted by warracer
If anyone has tips on how to increase traction on this truck, Im running on clay Jconcept Silver ellipse and last year I couldn't get the truck to hook, steering was really twitchy too...

Found out it has the aluminum carpet steering, so that might not help... I have the dirt rack on order and also the rear pills since they didn't come with the truck.
Also thought about trying the LC transmission case since I really like the way my YZ2 CAL3 worked with it on dirt.

Running kit springs, basically Mayfield CRCRC setup. But this year I'll have to switch it up because it didn't really work.
Moving the rear shocks from the front of the rear tower to the back ad removing the rear chassis brace helped with traction on outdoor dirt and indoor clay. I use the aluminum DTM2 steering rack with no issues but it does provide a bit more steering than the stock plastic. Also using AE springs at times. I did switch the rear shocks back to the front of the tower because there was not enough room for them with JC finisher body. I also added the aluminum "S" front upper link mount, aluminum DTM2 rear link mount and front sway bar. I use a gear diff with 1,000 diff fluid.
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Old 09-16-2023, 09:30 PM
  #348  
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Getting 1 of these set up for clay now.
in need of tires before I can report. Came with carpet tires but after adjusting shocks im thinking it won't be that bad. Hoping a stock 17.5 st class picks up locally.
if not I'll have to go 13.5.
D
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Old 09-17-2023, 03:21 PM
  #349  
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looking forward to hearing how it goes for you
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Old 09-18-2023, 08:18 AM
  #350  
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I've got some proline prime and AKA chainlinks that I am looking to swap for some carpet tires https://www.facebook.com/marketplace...9745408788465/
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Old 09-18-2023, 08:21 AM
  #351  
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I guess I figured that if you are going the TO1.0 route there was a slim chance that you were still running the YZ2T a-arms, rear hub carriers etc. I'll see what all I can work back in.
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Old 09-18-2023, 10:13 AM
  #352  
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Originally Posted by Nosnarb
I guess I figured that if you are going the TO1.0 route there was a slim chance that you were still running the YZ2T a-arms, rear hub carriers etc. I'll see what all I can work back in.
With the car technically being discontinued, guys are converting over to some parts that are more common to grab. The carriers or steering rack for example are upgraded items that if they did a TO 1.0/2.0 could actually be what the car should come with to keep it inline with what they are doing with the other cars. So for example, the CAL3 and up steering rack, and then the YZ4SF2 and up rear carriers for example. Options to check that off would be cool.

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Old 09-19-2023, 06:25 PM
  #353  
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Okay , so here's some update for the ''TO 1.0'' upgrade...

The front arms, I used Associated T6.2/6.4 front arms , ASC71138

They use 3.0mm inner and 3.0mm outer hinge pins, so the outer will be an issue since the YZ2T uses a 2.5mm outer pin.

I'm cheap and didn't wanted to wait on shipping so I modified the stuff I needed but you could use the ASC91670 hinge pins :


I drilled and reamed the carrier inserts to 3.0mm and made some 26mm long 3mm dia outer hinge pins with 2 3mm drill bits. (just use YZ2 CAL 3 and up carrier / inserts if you don't want to do this)

The inserts fits right in the carrier but you need to enlarge the front portion of it with a blade so the pin doesn't rub :



The last touch is to sand the inner outer portion of the T6.2 arm so the carrier fits without binding , you have to take out maybe 0.5mm :




Finally you need some 3.0mm inner dia shims for the inner hinge pin, the T6.4 arm is a little too wide , I used some random shock limiter I had :

Note : This is now where you make adjustment for the front carrier position / front wheelbase as the carrier fit snuggly on the T6.4 arm...

And now you got yourself a Yokomo TO1.0 front end mod ...





Also note that:
- you need a slightly longer screw for the shock , about 5-7mm longer than stock.
- The Yokomo inner hinge pins work , but they're a little short , you may want to use the ASC91670 pins.

But other than that , I hope to try it on the track in a couple weeks hopefully.


I started work on the rear T6.4 arms too, but its not as straight forward, the space for the carrier is very large on the T6.4 arms and it uses 3.5mm hinge pins in the rear vs 3.0mm on the YZ2T.





So you'll need to use YZ2 CAL3 and up rear hinge pins and pills.
You also need to remove a little more material on the outside of the rear arms to clear the C/D blocks...
Its very possible to fit but I don't have all the parts for that yet

Hopefully that helps !
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Last edited by warracer; 09-19-2023 at 06:52 PM.
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Old 09-19-2023, 07:22 PM
  #354  
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Pm sent nosband
the arms are becoming hard to find? Just like the losi buggy. Ppl are modding them with parts from more recent kits.
I look fwd to your report into how this changed your car and made it feel driving.
D
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Old 09-19-2023, 08:11 PM
  #355  
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Here is a little cheat sheet i made a bit ago about things i saw to do the various AE a-arm mods based on a kit that came in that already had it done to it.

Also, one thing I want to try when I get mine together here is the a-arm flip up front so you can use the stock swaybars without having the drill them, I think it will work.


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Old 09-21-2023, 10:12 AM
  #356  
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Originally Posted by Cain
If its possible to put something that you can check the option for the a-arms you are using, carriers, etc that would be nice. For example, some may still be using the Yokomo YZ2T a-arms for AE T6.X a-arms, etc. or say rear carriers or the CAL3.X steering versus stock YZ2T / CAL2, etc.

Nice work though.
What options should be provided on the steering rack?
  • YZ-2T
  • CAL2
  • DTM2
  • CAL3.X / DTM 3.X
  • SO1.0
  • SO2.0
but then you have some mixing and matching of bellcranks/racks...

Front hub carriers:
  • YZ-2T / CAL2 / DTM2
  • CAL3 / DTM3
  • CAL3.1 / DTM3.1
  • SO1.0 / SO2.0
Front steering arms:
  • YZ-2T / CAL2 / DTM2
  • CAL3.x / DTM3.x
  • SO1.0
  • SO2.0

Rear Hub Carrier:
  • YZ-2T
  • YZ4 SF2
  • I don't think there are any other options?
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Old 09-21-2023, 10:50 AM
  #357  
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Originally Posted by Nosnarb
What options should be provided on the steering rack?
  • YZ-2T
  • CAL2
  • DTM2
  • CAL3.X / DTM 3.X
  • SO1.0
  • SO2.0
but then you have some mixing and matching of bellcranks/racks...
On this one I'd do:

- DTM2 (this I believe is the 2 dot "dirt" rack)
- CAL2 (this i believe is the carpet rack)
- CAL3.X / SO X.0 (this is the current gen rack

Then add the option to check for aluminum versus plastic.

Originally Posted by Nosnarb
Front hub carriers:
  • YZ-2T / CAL2 / DTM2
  • CAL3 / DTM3
  • CAL3.1 / DTM3.1
  • SO1.0 / SO2.0
There are several options for Carriers, could just go:
- YZ2T
- CAL3.X / SO X.0 (these have that stop screw in them)

then hard versus graphite.

Originally Posted by Nosnarb
Front steering arms:
  • YZ-2T / CAL2 / DTM2
  • CAL3.x / DTM3.x
  • SO1.0
  • SO2.0
If you mean the items that go into the front hub carriers, I'd just do:

- YZ2T
- CAL3.X / SO 1.0

then hard versus graphite material. I don't know however if the SO 2.0 style works with the yz2t axle, I am assuming they would but not sure.

Originally Posted by Nosnarb
Rear Hub Carrier:
  • YZ-2T
  • YZ4 SF2
  • I don't think there are any other options?
yup those 2 only, and can notate plastic versus aluminum. I don't think there is a graphite version of these?
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Old 09-26-2023, 03:26 PM
  #358  
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Originally Posted by Cain
On this one I'd do:

- DTM2 (this I believe is the 2 dot "dirt" rack)
- CAL2 (this i believe is the carpet rack)
- CAL3.X / SO X.0 (this is the current gen rack

Then add the option to check for aluminum versus plastic.



There are several options for Carriers, could just go:
- YZ2T
- CAL3.X / SO X.0 (these have that stop screw in them)

then hard versus graphite.



If you mean the items that go into the front hub carriers, I'd just do:

- YZ2T
- CAL3.X / SO 1.0

then hard versus graphite material. I don't know however if the SO 2.0 style works with the yz2t axle, I am assuming they would but not sure.



yup those 2 only, and can notate plastic versus aluminum. I don't think there is a graphite version of these?

re revised
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Old 10-25-2023, 11:16 PM
  #359  
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just wanted to share the progress. This trucks almost rdy to hit the track. Just needs some soder and wiring and binding and calibrating and wheels and tires and.... ya. Lol.
d
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Old 10-25-2023, 11:17 PM
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Kool to run the punisher in a 17.5 st class? I think we run open motor. Gonna ask.
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