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R/C Tech Forums Thread Wiki: Tekno RC SCT410.3 Thread
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Welcome to the SCT410.3 Wiki!

7.26.17 - BB
In order to run the recommended team setup, you need the following optional parts:
TKR6106 Orange LF Springs
TKR6114 Green LF Springs
TKR6018 composite shock caps (built to emulsion) OR TKR8702 Aluminum Emulsion Shock caps
TKR8027 Shock Stand Offs
TKR6051 8x1.3 pistons(drilled to 1.4mm)
TKR8104 .4 bellcranks
TKR8100 .4 ackerman
TKR5545B HRC Hubs
You also need the Aluminum C Block (others can stay composite)

What option parts should I consider buying with a new kit?
None are required but we recommend the following:

TKR5161 V2 Adjustable Hinge Pin Brace A block, 7075 CNC, EB/NB/ET/NT/SCT) - Helps to improve durability on hard crashes.

TKR5163 V2 Adjustable Hinge Pin Brace C block, 7075 CNC, EB/NB/ET/NT/SCT) - Helps to improve durability on hard crashes.

TKR5545B HRC Rear Hubs (L/R, CV or uni, SCT.3/SL) - Improves stability of the rear on mid to corner exit. Allows harder acceleration on corner exit.

TKR6146 - CNC Delrin Shock Cartridge Set

TiNi Shock Shafts
-TKR6004T (front)
-TKR6017T (rear)


What spare parts should I keep on hand?
TKR5020 Hinge Pins (inner, front/rear)
TKR5516 Front Suspension Arms and TKR5515 Rear Suspension Arms
TKR5542 Spindle Carriers - TKR5541B Spindles
TKR6009 Shock O-Ring and Bladder Set (for 2 shocks)

Tips and Tricks

List of Vehicle Setup Adjustments and Build Tips can be found here. There are several videos and articles detailing the building of shocks, diffs, camber links, etc.

Setup Sheets:
Setup sheets for all Tekno RC vehicles can be found here. Please be sure to try our recommended setup. It works very well on most tracks.

Warranty Policy:
Tekno RC is the only company in the industry that will give 50% off of parts if returned to them using the General Warranty return policy found on their website. The parts can be lightly used or completely abused, as long as the part is still being produced it's covered!

Piston Drills:
Some of our setups recommend using pistons that are enlarged. For instance 4x1.9 or 3x2.0. To drill the pistons we recommend the following:
GMK Supply Piston Drill Set
16PC Metric Bit Set Metric Sizes 2.00 to 3.00 MM.

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Old 04-23-2016, 03:41 PM   #3451
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I'm having a problem with steering,
I can turn a lot more to the left than I can to the right. You can see in the pictures the front tire touching the spring in one picture and not the other. I have a spektrum Dx4c radio, I can turn the steering travel all the way up and nothing changes. If the truck is off, and can turn the wheels max distance. What do I have to do to fix it so the truck will turn the same in both directions ?



Last edited by weedsnager; 04-23-2016 at 04:19 PM.
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Old 04-23-2016, 03:45 PM   #3452
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Quote:
Originally Posted by weedsnager View Post
I'm having a problem with steering,
I can turn a lot more to the left than I can to the right. You can see in the pictures the front tire touching the spring in one picture and not the other. I have a spektrum Dx4c radio, I can turn the steering travel all the way up and nothing changes. If the truck is off, and can turn the wheels max distance. What do I have to do to fix it the the truck will turn the same in both directions ?


I'd start with checking your servo saver, watch it when you turn the steering is the saver moving, maybe its too loose.
after that try setting steering endpoints to 100%, then center your trims, take your servo horn off and recenter your linkages and horn on the servo.
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Old 04-23-2016, 06:15 PM   #3453
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Quote:
Originally Posted by weedsnager View Post
I'm having a problem with steering,
I can turn a lot more to the left than I can to the right. You can see in the pictures the front tire touching the spring in one picture and not the other. I have a spektrum Dx4c radio, I can turn the steering travel all the way up and nothing changes. If the truck is off, and can turn the wheels max distance. What do I have to do to fix it so the truck will turn the same in both directions ?


Was the steering off center too? The servo horn could have slipped on the teeth(stripped it slightly) so now it's way out of whack
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Old 04-23-2016, 07:03 PM   #3454
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I took the servo horn off, centered everything. Still the same. But remember, this is my first kit, so anything else you can think of? I've dealt with servos in planes, but never an Rc car. I'm clueless on servo savers
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Old 04-23-2016, 07:04 PM   #3455
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Originally Posted by kyleman7 View Post
I'd start with checking your servo saver, watch it when you turn the steering is the saver moving, maybe its too loose.
after that try setting steering endpoints to 100%, then center your trims, take your servo horn off and recenter your linkages and horn on the servo.
Looking at the images again it links like you are using the plastic servo horn that comes it the kit. If so, just toss it out, it will strip if it hasn't already, get a aluminum horn
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Old 04-23-2016, 07:16 PM   #3456
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Originally Posted by weedsnager View Post
I took the servo horn off, centered everything. Still the same. But remember, this is my first kit, so anything else you can think of? I've dealt with servos in planes, but never an Rc car. I'm clueless on servo savers
Both steering links the same lengths?

Also do you have both screws and the bushings on where the Ackerman plate connects to the arms? I lost mine racing a couple months ago and it was similar
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Old 04-23-2016, 07:17 PM   #3457
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Hey guys looking for a tire for a very loose track. Baseball field dirt.
I have subcultures now looking for an additional set any suggestions
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Old 04-23-2016, 07:55 PM   #3458
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1st day ever with a .3 sct. Jumps like a turd. Dive bombs bad stock set up. But is there a way to get the truck to jump better.
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Old 04-23-2016, 08:07 PM   #3459
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My .3 jumped like crap also! Had to run HB front grey springs couldnt get the ride height low enough in the front. Im not really impressed with the .3 kinda like my original 410 better.
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Old 04-23-2016, 08:16 PM   #3460
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On our build - Tkr5107 rubs on ackerman arm in one direction only? ( Dremel down )
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Old 04-23-2016, 08:36 PM   #3461
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Quote:
Originally Posted by ashxxx View Post
1st day ever with a .3 sct. Jumps like a turd. Dive bombs bad stock set up. But is there a way to get the truck to jump better.
This has been covered multiple times, but to save you the trouble I will fill you in.
First off, drop out most of the anti squat. No more than 1 degrees to start with.
Doing this will help eliminate the speed at which the rear end rises when powering over the jump face.
Secondly, you should get some different springs and change your oil weight.
Try pinks on all four corners with the stock pistons. 45 weight up front, 40 weight out back.
If you are running on more packed surfaces, try the white delrin Tekno 6 hole 1.5 pistons for both front and rear. Black springs up front, orange out back.
You can go a bit lighter on the oil with that setup, at 40ish up front, 35 out back.

If you really want to get the best out of your rig however, I highly recommend doing the battery back mod, which will drop the pack rearward 10mm. Alternately you can just buy a new M2C chassis which already takes this into account with the new screw hole positioning points.

This truck is nose heavy compared to other manufacturers. But that isn't a bad thing once you understand how to balance it to your preference.

Maintaining throttle over the face through the air is critical as well. But with the setup changes I suggested, it will jump like any other vehicle your used to.
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Old 04-23-2016, 08:44 PM   #3462
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Quote:
Originally Posted by thartz36 View Post
Hey guys looking for a tire for a very loose track. Baseball field dirt.
I have subcultures now looking for an additional set any suggestions
Get a set of AKA Enduro 3 in super soft. Massive forward traction. Will dig into any loose stuff like a champ.

Also if you think it's more of a light dusting on hard pack, or will ever be running on wet dirt the Enduros will clump up.
For this sorta environment you can go with Soft or Super soft Panther Boa's.
These tires hookup moderately well in just about any and all track types. Great in the middle tire. But be warned, the Panthers have a very soft side wall with the included soft foam inserts. You can help the ordeal by picking up some harder foam inserts like the black AKA type, or just get a really good wheel like the DE speedline plus wheels and run as is.
They don't look like much, but they are really good tires.
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Old 04-23-2016, 10:15 PM   #3463
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Quote:
Originally Posted by weedsnager View Post
I took the servo horn off, centered everything. Still the same. But remember, this is my first kit, so anything else you can think of? I've dealt with servos in planes, but never an Rc car. I'm clueless on servo savers
From the pics, it looks like your servo horn is not set up right. The horn (screw to screw) should be parallel to the connecting arm (screw to screw) of the steering crank. Take a look at page 22 of the manual.

I would take the horn off the servo. Get your wheels approx straight. Power the car and radio. Take out any steering trim on radio. Put the horn back on the servo so that the lines mentioned above are pretty much parallel (pg 22). Note, wheels probably won't be straight anymore but they shouldn't be off a whole lot. Then use trim to get car to track straight. The key is the parallel part.
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Old 04-24-2016, 07:45 AM   #3464
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I took the servo horn off and powered the truck, the servo goes to center. I then attach the servo horn. The servo has more travel in one direction then the other. In the radio, travel is equal on both sides
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Old 04-24-2016, 08:17 AM   #3465
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Here is a picture of my servo, I marked how far the servo with turn in each direction. It turns a lot farther in one direction then the other.
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