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R/C Tech Forums Thread Wiki: Official 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 03-30-2016, 05:48 PM   #1411
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Originally Posted by tps3443 View Post
The EB48.3 does not include pinions.

MOD1 5mm pinion is what you need, in the desired teeth. Tekno makes great pinions.
yeah guys said between 17 and 19 so ill probably buy all 3 and see what works best.
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Old 03-30-2016, 05:48 PM   #1412
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so im already going to order the servo arm and pinions to go with my kit. what other stuff do you guys suggest especially in regards to shock and diff oil. id imagine some comes in the kit but any other stuff i need to have on hand?
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Old 03-31-2016, 07:09 PM   #1413
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so im already going to order the servo arm and pinions to go with my kit. what other stuff do you guys suggest especially in regards to shock and diff oil. id imagine some comes in the kit but any other stuff i need to have on hand?
I suggest the CNC/delrin shock parts, makes the shocks much better IMO. Build it to kit settings and use the stock oils to start as the stock setup is really quite good. I like to always do what I suggested above and take it to the track and run some laps, get the diffs and axles etc all run in and see how everything feels as it free's up. I always tear it back down after the first practice day and re shim diffs and give everything a good look over, then I start tweaking setup/ oils and so on. Its a great buggy, enjoy.
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Old 04-01-2016, 05:39 AM   #1414
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Is anybody running a hobbywing 120amp sc ESC? If so how do you like it? Is it enough power and is it as adjustable (timing, boost, brake, etc...) as other ESC's? I had the 150 amp ESC in my EB48.2 that I just sold last night but it was a very tight fit and I didn't feel I need that much power anyways. I have the RX8 in my ET48 but I figured if the HW does the job it will suffice for my needs.
Again, I just sold my EB48.2 and I was all set to order the EB48.3 but now I am wondering if I should try something else. I only raced my EB48.2 3 times so I haven't really even had a chance to enjoy this buggy but I really wanted to just build a kit. This will be my first new kit from a store. Ive bought all my stuff on RCT previously and just want to make sure I am happy with what I get and don't think gee I wish I would have tried something different. Should I go with the Eb48.3? I know here you all have them and are biased but just would like to hear what owners have to say about them compared to the .2. Will it feel like the same buggy to me or will it feel like a different buggy? Stuff like that... Is there anything that even compares durability wise or that wears as little as the tekno? I am a beginner drive and I never broke anything on my .2.
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Old 04-01-2016, 06:57 AM   #1415
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For all the guys asking me about the shims used to raise the rear trans, 3DGY has them for sale in 2 different sizes. 1.5mm and 2.5mm. Start with 1.5mm and adjust from there. When you add the shim, make sure you change your C and D inserts

C = 1 dot down
D = 2 dot down
Also run the inner rear camber link in 2 hole or lower
so basically lower everything 1 spot

Link to the shims https://www.3dgydesigns.com/collections/frontpage
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Last edited by Bob Barry; 04-01-2016 at 07:29 AM.
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Old 04-01-2016, 07:09 AM   #1416
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nevermind...misread

Last edited by MX304; 04-01-2016 at 07:22 AM.
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Old 04-01-2016, 07:19 AM   #1417
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just an FYI on pinions, if you are on a budget I actually got in a Traxxas Mod1 Pinion and it looks pretty good and are dirt cheap. Like $4 a pinion from what I recall and they go from say 14T up to 19T . They are also a bit wider on the "teeth" part and are slightly longer than a regular pinion from a few companies so engage the motor shaft more.

Now, I don't know how well they hold up with say a steel spur gear (most gears these days are hardened though so should be fine), but most run nylon anyways so thought I would throw this out there on the cheap.
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Last edited by Cain; 04-01-2016 at 11:35 AM.
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Old 04-01-2016, 08:41 AM   #1418
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Originally Posted by Slapjack View Post
Is anybody running a hobbywing 120amp sc ESC? If so how do you like it? Is it enough power and is it as adjustable (timing, boost, brake, etc...) as other ESC's? I had the 150 amp ESC in my EB48.2 that I just sold last night but it was a very tight fit and I didn't feel I need that much power anyways. I have the RX8 in my ET48 but I figured if the HW does the job it will suffice for my needs.
Again, I just sold my EB48.2 and I was all set to order the EB48.3 but now I am wondering if I should try something else. I only raced my EB48.2 3 times so I haven't really even had a chance to enjoy this buggy but I really wanted to just build a kit. This will be my first new kit from a store. Ive bought all my stuff on RCT previously and just want to make sure I am happy with what I get and don't think gee I wish I would have tried something different. Should I go with the Eb48.3? I know here you all have them and are biased but just would like to hear what owners have to say about them compared to the .2. Will it feel like the same buggy to me or will it feel like a different buggy? Stuff like that... Is there anything that even compares durability wise or that wears as little as the tekno? I am a beginner drive and I never broke anything on my .2.

Im in the same boat as you. I'm going to be ordering a 1/8 e buggy in the next couple days. Leaning towards the 48.3 because I already have the 410.3 and I am happy with it so far. But still haven't made a decision yet.

I am going be order the hw sct pro esc for which every buggy I decide to buy. I have done lots of research and have read nothing but good things about the esc in 1/8 buggys. I don't have any personal experience with the esc, so maybe someone with first hand experience can chime in.
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Old 04-01-2016, 09:20 AM   #1419
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Originally Posted by steelers82 View Post
I got my car up and running and it feels great for out of the box, but it feels like the shock oils could be better.Is there a good place for setups for this car besides tekno rc and petit rc? I run on medium sized indoor clay tracks like ocrc, but haven't found many set ups for the full sized car (EB48.3) only for the super lite, and since the car is so much heavier than the SL I wouldn't think the setups would transfer over.
...
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Old 04-01-2016, 10:20 AM   #1420
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Originally Posted by Horby32 View Post
Im in the same boat as you. I'm going to be ordering a 1/8 e buggy in the next couple days. Leaning towards the 48.3 because I already have the 410.3 and I am happy with it so far. But still haven't made a decision yet.

I am going be order the hw sct pro esc for which every buggy I decide to buy. I have done lots of research and have read nothing but good things about the esc in 1/8 buggys. I don't have any personal experience with the esc, so maybe someone with first hand experience can chime in.
I said screw it... I just ordered my EB48.3 a minute ago. I looked at Tower and it was on sale for $509 down from $549 and I got the super saver membership for $5 and used the $75 off coupon. Added the Delrin shock spacers and paid $459 total. Can't beat that. And I honestly don't see any other buggy being better than the tekno. Everything was top notch on the .2 and my ET48 truggy.
Can someone tell me if the kit comes with machined delrin pistons? And after I placed the order I remembered seeing somewhere that the kit maybe even came with the delrin spacers. Does it?
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Old 04-01-2016, 10:34 AM   #1421
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Can someone tell me if the kit comes with machined delrin pistons? And after I placed the order I remembered seeing somewhere that the kit maybe even came with the delrin spacers. Does it?
The Kit comes with Machined Pistons but not the spacers.
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Old 04-01-2016, 11:04 AM   #1422
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The Kit comes with Machined Pistons but not the spacers.
Thank you
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Old 04-01-2016, 02:40 PM   #1423
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Originally Posted by Bob Barry View Post
For all the guys asking me about the shims used to raise the rear trans, 3DGY has them for sale in 2 different sizes. 1.5mm and 2.5mm. Start with 1.5mm and adjust from there. When you add the shim, make sure you change your C and D inserts

C = 1 dot down
D = 2 dot down
Also run the inner rear camber link in 2 hole or lower
so basically lower everything 1 spot

Link to the shims https://www.3dgydesigns.com/collections/frontpage
What do you gain by spacing it up? It seems like raising the whole assembly up would not have a big effect on handling. Can you not run the C and D inserts in those positions without raising the trans?
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Old 04-02-2016, 08:51 AM   #1424
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Does anyone run a clear lexan wing like the bittydesign
Or proline trifecta? How durable are they? Are they pretty thick?
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Old 04-02-2016, 12:22 PM   #1425
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Originally Posted by MX304 View Post
What do you gain by spacing it up? It seems like raising the whole assembly up would not have a big effect on handling. Can you not run the C and D inserts in those positions without raising the trans?
The goal with this is to shim the diff up, while keeping the arms and links close to the positions they were in before. What this does is increase the dogbone plunge as the suspension compresses, which supports the rear end better when power is being applied (i.e. corner exit, sweepers, etc). Overall rear grip is increased which makes the car easier to drive and more predictable.
Quote:
Originally Posted by Slapjack View Post
Does anyone run a clear lexan wing like the bittydesign
Or proline trifecta? How durable are they? Are they pretty thick?
Yes, a lot of guys including me have been running them even on Truggy. It's definitely personal preference and based on your driving skills because if you crash enough they will end up cracking. Using the wicker-bill and dremeling the corners smooth goes a long way to making the wing last longer. They make a noticeable performance difference, letting the car stay flatter and rotate more easily. As I said it's personal preference and a tuning aid, plastic wings still have their place for sure.
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