Traxxas Slash 4x4 Ultimate 1st impressions and upgrades :)

[@robertbartell8278]

I run mine on 3s all day every day .....never over heats ....

[@WTFRCCars]

We run ours on a grass track and best they could do on stock gearing and stock motor was around 5min race and they they go into thermal shut down.

[@Electrobeam673]

I also run 3s and so far no issues

[@WTFRCCars]

It was ok on tarmac but on grass track just constant over heat shutdown issues

[@Eleventeen2one]

Couldn't run a battery down, overheats every time in sport mode AND beginner modes, thermal shutdown every time. Got an HR ESC fan and heatsink and motor fan and heatsink, sport mode, finally drained a battery and it never got hotter than 127 degrees

[@m.micakaj]

My stock ultimate usually over heats around the 7-10 Minute mark. Kinda disappointing. Also, the motor has this loud Screeching noise when I’m near full throttle. Just doesn’t sound right. Will need yo upgraded the electronics 😵‍💫

[@kingschultz3770]

I literally just got one of these so it's cool to see what upgrades you're already doing. I'll probably run mine stock for awhile before doing pretty much the same things to mine. Great video. Succinct and personable. Very helpful.

[@WTFRCCars]

There great rc's the best advice I can give is to get a motor and esc fan it will allow you to run longer and on 3s :)

[@WTFRCCars]

Yep we found exactly the same 2s fine 3s overheating within a few min

[@constantinedimopoulos1110]

My Traxxas Ultimate runs on 3S no issue or over heating. Can do speed runs with no over hearing issues and on full throttle. I use original pinions that were factory installed. Run it on asphalt.

[@WTFRCCars]

On road they are fine just not good on 3s round a track or even short grass still absolutely love the slash though

[@constantinedimopoulos1110]

@@WTFRCCars I totally agree with you about running the Ultimate on grass. They are pretty much useless on any grass taller than a golf green. Cheers

[@jonton3103]

i race, bash, street, woods, anything you can do with them i do with mine out the box on 3s (ive got it in flordia drove it on the sand and in tall thick grass) i have a 5000mah and a 4000mah both traxxas battries.. runs about 120 degrees, im using the stock pinion and spur as i dont see the point in going over 50 mph and breaking something but never have had a problem...

[@WTFRCCars]

have you fitted fans to the esc and motor?

[@ramanahluwalia5137]

I have one running on 3S stock just fine

[@WTFRCCars]

If you try to drive it round a short grass track we managed around 5 min and the ESC over heated every time on 3s stock pinion

[@ZingZingNZ]

@@WTFRCCars I just got one it cut out I think maybe the battery was dead but makes me wonder.. disappointing if I hit thermal cut. As it's my only and first RC after years not owing one. And it cost a hell of alot I got told it's all I would need and got sold two was batteries.

[@WTFRCCars]

If your running 3s off road you will need to fit a fan on the motor also on the esc then fit a smaller pinion to drop the load on the motor and esc, this will drop the top speed though.

[@Tony-cheesy]

I ran mine on a track today in 29° heat on 3s for 20 mins and had no problems....seems strange to me. Granted the motor was hot at the end and I do have a fan on the esc but it never went into shutdown.

[@WTFRCCars]

Yeh you can make em work but traxxas should fit a fan to both the esc and motor as I say stay ck out the box it won't run a full battery before it hits thermal shutdown :(

[@SpeedSyko]

I’m confused, I’ve ran only 3 s since they came out with the system. Back when they had the gold posts on the esc on the first gen. I’ve never used 2s never destroyed a motor or esc. Owned every vxl made. Bigger tires and gears may be your issue. Don’t forget traxxas warranties the motor and esc if your worried.

[@WTFRCCars]

The issue it that the traxxas vxl system as it comes with stock gearing stock wheels can only run for about 10min and then the esc hits over heat shutdown there just not very good, the Hobbywing system I swapped it out for can run none stop for the whole 8000 mah 2s and 3s battery no issues at all and is a higher kv motor so should run hotter, we also had exactly the same issue with a arrma senton 3s stock 3s just get hot and shuts down if you keep doing it eventually you kill the esc and it's crap having to wait for parts to be replaced so on most of my rc's I just swap out the crap stock gear for something much better and don't have to deal with the over heat issues I don't drive the RC any different with the hobbywing gear it's just more powerful so when on the grass track it runs cooler.

[@SpeedSyko]

@@WTFRCCars oh no! Thanks for your response. I have one saved to buy. I think I’m going to get something different. I really appreciate your knowledge and input! Great channel!!!

[@WTFRCCars]

I do think with a good cooling fan on the motor and esc the stock vxl would be ok on 3s but they should supply it with the RC from new it would literally cost traxxas less than $5 a car lol

[@tojo3507]

This guy is FOS….I run ONLY 3s with no problems whatsoever…..You obviously don’t understand the concept of “DRIVING” your vehicle. Full throttle all the time is not driving….

[@WTFRCCars]

Don't understand driving? I race 1:8 and 1:10 and never have a motor over heat the slash and senton can't run a full 5 min on a track at 3s without thermal shutdown on stock gearing out the box there just not upto it they both run fantastic on 2s though. For the price of the traxxas ESC and motor or the spectrum in the senton you can get castle or hobbywing that can run 3s fine it's just the stock electrics in both are total garbage.

[@scottdashnaw2345]

Savox usually have live text for any info you may need

[@VolenBoyadzhiyski]

In fact, Deans plugs are not an upgrade over the Traxxas ones. Same structure, but smaller and harder to disconnect. The best upgrade are the XT-90 - much more contact area and higher amperage flow. Plus, they are waaay easier to solder than the Deans...

[@WTFRCCars]

The system in this one doesn't even come close to the max amps of deans and I have many other rc's with deans on them so it's just easier, deans are definitely an upgrade from the traxxas plugs they are weak and nothing else uses them, as for the xt plugs I do use xt 60 on the crawler but for anything else I run ec5 and 4/5mm post connections

[@Rousr]

I have a Traxxas Slash 4x4 Ultimate which only has a fan for the esc and motor and I run a 21T pinion with a 54T spur gear (everything else is stock) on 3s and hit upwards of 75mph where mine has never overheated. It definitely gets really hot (170 F°) after 15 minutes of run time in warm weather but I haven’t had any issues although I only run mine on the road but thanks for the video!

[@WTFRCCars]

There not bad on road just had issues with stock motor esc on 3s off road it over heats quickly still good fun RC though :)

[@barrysrcdump3557]

I'm neither a Traxxas or Arrma fanboy but it's just the price of the Traxxas that kills it for me. All I've done to my 3s Senton is adding twin Chinese motor heat sinks and cooling fans for about £9. It's been faultless for a year, even through a bit bonkers on 3s. Buying a Traxxas, throwing away stuff that you've paid for and then having to fit more bits that you've paid for would make me wince. 👍

[@WTFRCCars]

My mate has just got an arrma senton 3s with the new spectrum RC gear the lag is so bad he's had to remove the RC gear and swap it all out just so it was drivable there was a half a second delay on every input :( the servo was also terrible 7kg servo in a sct was no use at all the older aarma RC gear was spot on but by the time he replaced everything just to make it usable it cost more then the slash I don't get why they changed it, it is a great RC now though :)

[@barrysrcdump3557]

WTF RC Cars Yeah, that's a common gripe on the Arrma group. I must have had one of the last ones with the previous 300 TX.

[@WTFRCCars]

It's such a shame I think it changed when horizon got hold of aarma, I think it's hard to compare the senton 3s to the slash ultimate as they are both different priced and very different spec cars if you upgraded the sentons shock and hubs to alloy like the slash and the alloy adjustable motor mount and sway bar kit they would be the same price and probably drive much the same I do find the senton easier to work on when having to remove the motor and center shaft but the draw back is the centre bearing pops out sometimes so ya win some ya loose some think in the end so long as you like the car ya have it doesn't really matter lol we have loads of fun with em all

[@barrysrcdump3557]

WTF RC Cars I have a problem with that centre bearing. It doesn't pop out but it spins in its socket. I had to set it in with Araldite. I'd run out of string and Copydex! 😂

[@WTFRCCars]

Yeh the centre bearing is a bit of a strange choice not sure why they didn't go with a solid center shaft and a normal nut adjust for the slipper clutch but guess they thought it would work better.

[@jtmarshall]

Do agree with a servo upgrade.. while the stock ultimate is better then what the regular slash comes with its still kinda slow and under powered

[@WTFRCCars]

I've just tried that servo in a tamiya tt02 and it's still too slow for that lol

[@jtmarshall]

@@WTFRCCars I'll Give traxxas the benefit of the doubt and say your tires are just way too sticky... 🙄 🤣 🤣 🤣

[@GazVanDyk]

I prefer 2s on mine but we do have short straights on our track.

[@WTFRCCars]

Yeh I run mine on 2s I feel it's just works better especially on a track :)

[@Rorona550]

I put hot racing fans on the motor and esc before I even ran it

[@WTFRCCars]

Yeh it definitely needs it

[@maciejajewski]

Once you replace the motor and ESC do you still have the TSM or is that gone ?

[@WTFRCCars]

TSM is in the traxxas receiver and so if you still run the traxxas transmitter and receiver then you still have TSM

[@maciejajewski]

@@WTFRCCars thanks for clarifying that for me

[@jamesk4455]

hey mate, I have a Traxxas slash 2wd which is upgrades which I race and I just bought a Traxxas slash 4x4 ultimate and it is awesome. I run 5400mah on 2s 50c 7.4v NXE power and I'm about to get a 3s 5400mah 60c 11.2v battery NXE power, how much did it cost to upgrade the motor and the fan/cooling system and how fast can it go now as well as what was the cost of those upgrades as well as how much did it cost to do all the upgrades. cheers

[@WTFRCCars]

Hi all the prices and links are in the description on the vid :)

[@jamesk4455]

@@WTFRCCars Thanks

[@JohnJones-vp1em]

How do you get it to stop over heating ? Just bought it today. Thanks

[@WTFRCCars]

So for the stock ESC and motor they don't like 3s, you can fit a motor fan, and ESC fan and a smaller pinion will all help if your going to run 3s, for me I swapped out the ESC and motor for hobbywing max10 SCT and 4000kv motor as I run mine mainly on 2s set up for track use :) 3s is pretty much useless on a 1:10 SCT for anything other than speed runs they handle way better on 2s and the battery is lighter too, I absolutely love the slash it drives fantastic :)

[@WTFRCCars]

This is the slash on 2s Vs a senton on 3s round a grass track kzbin.info/www/bejne/hKbHq2NvqZKoedE

[@rcnutball4087]

Why not I run mine only on 3s,without any problems.

[@WTFRCCars]

They last about 10 min on 3s round a grass track and overheat there geared for 2s out the box, the stock esc and motor needs a cooling fan but there still very weak

[@rcnutball4087]

I run in grass sand dirt and get 45 minutes on a 3s.

[@WTFRCCars]

If your getting 45min run time your driving very slow or stopping a lot that's why it's not over heating a slash 4x4 will drain a 8000mah 3s in around 20 min on a track constantly driving fast.

[@michaelarrington9478]

I run 3 s only & I have 2.8 trenchers. Put fans on it bro

[@WTFRCCars]

You can make the stock system work but swap it out for a hobbywing setup and you will quickly realised how poor the stock traxxas electronics are :)

[@michaelarrington9478]

@@WTFRCCars also I kept the 11 tooth pinion with the taller tires

[@robg3836]

Sorry dean’s connection is so much worse then a Traxxas connection

[@WTFRCCars]

Really depends on what your comparing, traxxas are a pain in the ass if you use none traxxas lipos and I'd never advise anyone to run the over priced traxxas lipos

[@bdd1469]

Complete nonsense. I run my ultimate on 3s all the time, don't even own any 2s batteries. The only time it overheats before it kills a 5000 battery is if I use it in really tall grass.

[@WTFRCCars]

Try racing it they won't last a 5 min race without shutting down due to over heat the senton is the exact same

[@bdd1469]

@WTFRCCars What is the difference between " racing it " and running it WFO in short grass? Do multiple cars magically make your car run hotter? Is there an extra wide fucking open setting on my controller when entered in a race? I regularly ( several times a week ) run my car in short grass in 80°+ F Temps NOT on a track, OR being slowed down by other cars, and it doesn't overheat on one 5000 3s pack. It doesn't take a genius to realize you are going to use a battery quicker, aka make more heat faster when you are not limited by turns, traffic etc, like you are in a race. I hear what you are saying, but there is no logic behind it, unless the slower speeds you are running in a race don't cool as well as WFO all the time. Maybe the older motors and esc's are different, but I havn't experienced any overheating issues on 3s, except in tall grass, which Traxxas tells you not to run it in.

[@WTFRCCars]

Braking causes lots of heat in the esc also we have had them overheat running 3s on flat dirt and gravel on a day with just under 20° c temp the traxxas esc and motor are poor no heatsink on the motor and no esc fan for the price the electrics are just plain bad, don't get me wrong I don't hate the slash ultimate it's a fantastic RC and lots of fun just not a fan of traxxas electronics