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R/C Tech Forums Thread Wiki: Tekno RC EB48.3 Thread
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Welcome to the EB48.3 Wiki


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

Springs:
Low Grip Track:
TKR8772 Yellow Low Frequency Rear Springs and TKR8762 Grey Low Frequency Front Springs

Low to Medium Grip Track:
TKR8773 Orange Low Frequency Rear Springs and TKR8763 Black Low Frequency Front Springs

Medium to High Grip Track:
TKR8774 - Red Low Frequency Rear Springs and TKR8764 - Pink Low Frequency Front Springs

TKR5199B HRC Rear Hubs (L/R, CV or uni, EB/NB/ET/NT48/48.3) - Improves stability of the rear on mid to corner exit. Able to be on power earlier on corner exit.

TKR6146 - CNC Delrin Shock Cartridge Set

TiNi Shock Shafts
-TKR6017T (front)
-TKR6061T (rear)

This car is very durable. Here are the spare parts that I recommend you keep on hand:
TKR5020 Hinge Pins (inner, front/rear)
TKR6061T Rear Shock Shafts w/ TiNi Coating and TKR6017T Front Shock Shafts w/ TiNi Coating
TKR5286 Front Suspension Arms and TKR5184 Rear Suspension Arms
TKR5194 Spindle Carriers
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.

Page 3 Step K-3
Put the screw in upside down so that the head of the screw is in the hex spot that's molded into the spindle. This will aid in clearance in full droop / full steering.

Page 12 Step I-2
Use no less than 4 shims on the steering spindle to limit steering throw. I actually just use one 2mm ball stud washer from my 10th scale stuff since each shim is .5mm.

Setup Sheets:
Setup sheets for all Tekno RC vehicles can be found here.

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 02-22-2016, 04:37 PM   #1216
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I have noticed my buggy was nose diving on some small jumps. How can I prevent that? I am using the stock setup.
My ebuggy did that when I was running drag brake. Turned it to zero, and it jumps just like my nitro buggy.
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Old 02-22-2016, 05:33 PM   #1217
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Does anyone know the lowest pinion tooth compatible with the stock spur gear? I'm just asking to be prepared in the future to grab the lowest pinion tooth available to make sure the 2650kv motor I have for this buggy will not run too hot. Thanks
On the Tekno website they have a 11t pinion that should work with the buggy.
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Old 02-22-2016, 05:35 PM   #1218
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Do any of you guys run the upgraded shock shaft because I have recently bent one of my rear shock shafts. Would you guys recommend the standard or the upgraded shock shaft. Also what are the advantages of running the upgraded shock shafts?
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Old 02-22-2016, 06:24 PM   #1219
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What type of pistons are you guys using? Also what weight shock oil (I will be using Team Associated oil)?
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Last edited by RC Matt; 02-22-2016 at 06:56 PM.
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Old 02-22-2016, 07:14 PM   #1220
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Originally Posted by skyrc6 View Post
Does anyone know the lowest pinion tooth compatible with the stock spur gear? I'm just asking to be prepared in the future to grab the lowest pinion tooth available to make sure the 2650kv motor I have for this buggy will not run too hot. Thanks
The smallest pinion you can run with the split diff and the 44 tooth spur is 14 tooth. If you run the old diff mount (and omit the center brace - or shave it down a lot) you should be able to fit a 12, definitely a 13. I haven't run a motor that needs to geared that low in a long time and I can't remember for sure if the 12 fits. A 13 will (with the old mount) and gives you the same top speed as a 1900kv motor geared 18/44. A 14 tooth is a little faster than a 1900 geared 19/44.
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Old 02-23-2016, 03:35 AM   #1221
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Well what shock oils are you guys using? (Weight and brand.) I will be running on a small track with that is bumpy with medium grip.
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Old 02-23-2016, 04:52 AM   #1222
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Everyones driving style is different, so you might want to check out some of the setup sheets on the Tekno site to see if any of them are close to your track style or ask some of the guys at your local track.

With my current setup I'm running the Lutz Enats setup with Losi shock oils. I believe 35 front and 37.5 Rear with the 4x1.8 pistons
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Old 02-23-2016, 07:12 AM   #1223
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Originally Posted by snwchris View Post
Everyones driving style is different, so you might want to check out some of the setup sheets on the Tekno site to see if any of them are close to your track style or ask some of the guys at your local track.

With my current setup I'm running the Lutz Enats setup with Losi shock oils. I believe 35 front and 37.5 Rear with the 4x1.8 pistons
Ok thanks those setup sheets should help out a lot.
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Old 02-23-2016, 03:17 PM   #1224
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Originally Posted by Matthew_Armeni View Post
The smallest pinion you can run with the split diff and the 44 tooth spur is 14 tooth. If you run the old diff mount (and omit the center brace - or shave it down a lot) you should be able to fit a 12, definitely a 13. I haven't run a motor that needs to geared that low in a long time and I can't remember for sure if the 12 fits. A 13 will (with the old mount) and gives you the same top speed as a 1900kv motor geared 18/44. A 14 tooth is a little faster than a 1900 geared 19/44.
Alright, I see, thanks for the detailed information. Yeah, I guess I'll experiment around with it when the day comes and I hope that 13t pinion should be sufficient, I run 12t pinion on 46t spur for this x-ray xb9e. 12t pinion is more than fast for it. I probably will have to go for 11t pinion. Or maybe switch to a 46t spur if it even fits in eb48.3

The worst case possible would be for me to sell the motor/ESC and eventually get 1900kv motor and go 18/44 or 19/44


Thanks RCmatt, I am going to look that up.
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Old 02-23-2016, 05:39 PM   #1225
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Originally Posted by skyrc6 View Post
Alright, I see, thanks for the detailed information. Yeah, I guess I'll experiment around with it when the day comes and I hope that 13t pinion should be sufficient, I run 12t pinion on 46t spur for this x-ray xb9e. 12t pinion is more than fast for it. I probably will have to go for 11t pinion. Or maybe switch to a 46t spur if it even fits in eb48.3

The worst case possible would be for me to sell the motor/ESC and eventually get 1900kv motor and go 18/44 or 19/44


Thanks RCmatt, I am going to look that up.
The XRay has to be geared lower on the motor pinion as it has a 12/40 diff ratio vs the tekno 10/40. Your 12 in that should be somewhat similar to 14 in the Tekno with the same motor.
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Old 02-23-2016, 06:12 PM   #1226
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Originally Posted by skyrc6 View Post
Alright, I see, thanks for the detailed information. Yeah, I guess I'll experiment around with it when the day comes and I hope that 13t pinion should be sufficient, I run 12t pinion on 46t spur for this x-ray xb9e. 12t pinion is more than fast for it. I probably will have to go for 11t pinion. Or maybe switch to a 46t spur if it even fits in eb48.3

The worst case possible would be for me to sell the motor/ESC and eventually get 1900kv motor and go 18/44 or 19/44
Quote:
Originally Posted by justpoet View Post
The XRay has to be geared lower on the motor pinion as it has a 12/40 diff ratio vs the tekno 10/40. Your 12 in that should be somewhat similar to 14 in the Tekno with the same motor.
Like justpoet said, the ring and pinions are different. Xray's ratio is 3.33:1 and ours is 4:1. So your 12/46 on the Xray yielded a 12.7778 FDR. To get the on the Tekno with the stock 44 tooth spur you would need a 13.77 tooth pinion, so I'd start with the 14.
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Old 02-23-2016, 08:28 PM   #1227
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I saw on the setup sheets that everyone was running vented shocks. Is the only difference the shock cap or is there more to get for a vented shock? Also what are the advantages of running a vented shock and how many of you guys run it?
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Old 02-23-2016, 09:19 PM   #1228
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Default EB48.3 Setup

Hey everyone, I just got back from Motorama a few days ago and just want to share my setup with everyone. I joined the Tekno team this year and it was the first race for me with my EB48.3. The track was low bite and pretty bumpy. This is what I was able to come up with by the end of the week. As I get more time on the car and start getting outdoors once it warms up more in CT I will post more setups. I will be on here and the other Tekno threads a lot more as well. If anyone needs help or has questions I will do my best to answer them. Feel free to post them here, PM me, or even add me on facebook and send me a message.
Attached Files
File Type: pdf EB48.3 Motorama Setup.pdf (454.1 KB, 140 views)
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Old 02-23-2016, 10:56 PM   #1229
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what does it mean " arms cut at hingepin " ?

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Originally Posted by krhodes12 View Post
Hey everyone, I just got back from Motorama a few days ago and just want to share my setup with everyone. I joined the Tekno team this year and it was the first race for me with my EB48.3. The track was low bite and pretty bumpy. This is what I was able to come up with by the end of the week. As I get more time on the car and start getting outdoors once it warms up more in CT I will post more setups. I will be on here and the other Tekno threads a lot more as well. If anyone needs help or has questions I will do my best to answer them. Feel free to post them here, PM me, or even add me on facebook and send me a message.
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Old 02-24-2016, 12:57 AM   #1230
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what does it mean " arms cut at hingepin " ?
I was just wondering the same thing...
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