Arrma Kraton 8s 20 million oil, how to replace the oil of the central differential ( DRRC Stunt )
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- Опубліковано 25 сер 2024
- Here guys my first tutorial on the Arrma Kraton 8S 👍 , in this video I will show you how to disassemble, replace the oil and reassemble everything.
I have to turn this K8S into a real monster so I have to make it as powerful and responsive as possible, here I replace the oil with a 20 million compared to the original and very hard👍😎.
I hope it has been useful and clear as much as possible, if you have any other questions ask us in the comments, if I can help more than willingly.
Special thanks to Rich Duperbash and Commander astig for their advice 🙂👍
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This has to be the best video I have ever seen without skipping loved the music and its 4 years old jesus wish others would learn from you Thanks!
Wow buddy, thank you so much for your kind comment 🤗🤗I'm very happy that you liked it, I did it years ago now, but I'm happy that it helps people😁🤝
Awesome video and music, I felt like I was taking an acid trip into the world of differentials. Love it.
Really thank you so much Buddy, I am really happy that you enjoyed my video, and I hope it has been of help to you 🤝😀
@@drrcstunt very helpful. I love all of your videos. Very unique.
@@heavymetalrc7520 I really appreciate your comment friend, really very kind 🤝😀 Merry Christmas buddy ❄☃
I didn’t even realize I was in a flashback till I read this comment toward the end lmao
Great video and cool music 2024 👍👍
Thank you so much buddy 🤗👍
Congrats I have actually stood here and watched a complete bench video! for the first time I’ve been held interested for the complete video. Great work a really detailed how to video that will help all Kr8ton owners!
Thank you my friend really very kind🙂👍,I knew that a fairly long video would come out, but I wanted to explain myself well👍😎.
I am glad that he did not tire you and that you looked at him, I am very pleased 👍🙂, I hope to help many k8S owners
Thank you very much!Great video!It just made my life much easier...The heat gun worked great!!I wore a mechanics glove so I was able to heat it really well..I’d be lying if I said I wasn’t going to grab my torch before I watched this lol...much appreciated 👍🏻
Thanks to you friend for watching my video and for sending me a very nice comment 👍🙂,for me it is very important and I am happy that it helped you👌
Awesome stuff David 👊!!!! Very thorough demonstration Brother👌. This should be super helpful for tons of guys out there 👀. Using heat is so critical with this job. Nice call with the heat gun. I'll be recommending this one for sure 🍻👍👍😎💪👊👊
Thank you so much Rich👍😎, it's really a pleasure to hear this, it makes me really happy🙂,I tried to explain it as best as possible,I sincerely hope to help so many people with this.
Yes without the use of heat all the screws would break, the threadlocker that they present is really exaggerated.
Above in the video description I thanked you for the advice you gave me, thank you very much again brother 🍻👍🤝🙂👍
awesome how to video mu brother. there is no way in Gods heaven I would be able to do all that. I would have extra parts left over in the process. great job 👍👍👍💯💯💯
Really thank you so much friend, Really appreciate you kind comment and watching🤝👍🙂, I hope it was useful to you
Great video
Thank you so much buddy👍
You have been more helpful to me than horizon hobby thank you so much for doing this type of video
Thank you bud😁👍, I'm really very happy that you liked my video, and I'm also very happy that it helped you
Awesome bench video brother. That's a Great how-to/ step-by-step process on how to change center diff fluid. Well done brother 👍👊
Thank you so much Brother 🤗It is a pleasure to hear it said, now it is scary compared to before the K8S😎👍.
Above in the description I thanked you for your advice, thanks my friend
@@drrcstunt I truly appreciate the mention brother. Always nice to know we're all in same place of willingness to share.
@@CommanderAstigRC Thanks to you for the advice brother, yes it's nice to be a team even from afar
Great vid. I would never get that back together!
Thank you so much👍
Great video BUTTTT the music literally put me to sleep. I did bookmark so I can use this when I need it
Thank you very much, really appreciate your comment 👍🙂, Thanks for your support.
yes me too a little, next time I will try to use more power music, thanks for the sincerity friend👍😎💪
On the other hand, I enjoyed your music choice. It will be impossible to please everyone. This video is a great reference on taking apart the diff. Thank you!
My favorite
Thnaks Bud very kind,much appreciate 🙂👍
Thanks Brother, I have a new roller sitting waiting for the electrics, and want to this while it's still easy, this helped a lot!
Thanks to you for watching bro, I'm really glad my video helped you 😁👍🤝
Thanks so much for your time brother ! Fantastic how to vid. 🤘😎🤘 It was very helpful and informative !!
Thanks to you Bro 👍🙂I am very happy that you enjoyed it
Loving the step by step walk through very informative . Just got the Outcast 8S so will be following your advice when I need to service that diff .
Thank you so much friend, I am very happy that you enjoyed and helpful my video,soon I will also do the tutorial on the front and rear differential
DRRC stunt I shall definitely watch out for that one as well . Keep up the good work 👍👌👍
That service needs to be done out of the box when you put the power down it likes to spin the front tires faster than the rears
Superb video brother 👍🏻 i just change my diff gear followed your video, now the king has alive again 😁😁🙏
Wow bro 🤝😁, i'm really happy with this, i'm glad i gave you a hand, thanks for watching my video 👊👊
@@drrcstunt but terendah one more problem, screw on front bumper has strip, i cant open it, any suggest solution brother? 😁
@@dodiiidris There can be many solutions:
- use a slightly larger torx insert, you have to hammer it in, once all the teeth have locked in you should be able to unscrew it
- you can cut it with a dreemel and then unscrew it with a normal slotted screwdriver
- you can buy a screw extractor, it is very useful in all occasions, for example www.amazon.it/Estrattore-Estrattori-Adattatore-Danneggiati-EX01/dp/B097PCQ2YY/ref=sr_1_1_sspa?__mk_it_IT=%C3%85M%C3%85%C5%BD%C3%95%C3%91&dchild=1&keywords=svita+viti&qid=1629128782&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUExVFc2VUxFV1RWR1ZRJmVuY3J5cHRlZElkPUEwODAzOTA3MU1PMzE0MjJDOE5MSyZlbmNyeXB0ZWRBZElkPUEwODUyOTI3QkcySjVEVTFXNjNZJndpZGdldE5hbWU9c3BfYXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==
-
@@drrcstunt thank you so much for replying, i have that screw extractor, but still cant move that screw, n i cant cut it of, because it inside front bumper hole, maybe i try to hammer it next weekend, but if i cant move that screw too, that means i've to cut front bumper 😭😭
Very helpful! I appreciate you doing this. Thank you!
Thank to you friend for your time 👍🙂
very very nice video !!! the diff seems to be very strong
Yes it is really robust, all metal😎👍Thank you so much my friend
Great content mate really like the way you show everything in and out 👊🏾💪🏾💪🏾
Thank you very much Buddy, I hope so much to have helped you as much as possible, and if you need to ask, if I can help you 🙂👊🤝, Thanks for watching
@@drrcstunt no worries buddy
Great video! I like how you had your heatgun sitting next to a cup of gasoline lol.
Thank you so much friend👍🙂, hahaha yes indeed, but here we are all a little crazy🤣
It really helped a lot! great video! Thank you very much
I am very happy that it was helpful to you, thank you very much for the support bud 😁
Great job man.
Thank you so much man 👍🙂
Youuuuuuouuuuh DRRC stunt 😃
Excellent vdo as usual 😉✌️.
She is too fluid in Stock version on the kraton 🥺☹️.
The 20 millions i have that on my XMAXX 8 S Blu 😁✌️and he works so good ..
It's heavy 300 hundred grammes 🤔.
But it's a good stuff.
Gazzzzzzzzzzzzzzlol 👻
Take Care of you with the covid 19 my Friend.
Thank you friend my friend always kind as usual😁😁,I'm sorry but it put me in your spam message, that's why I didn't reply to you.
In fact, the original oil is too liquid, but with 20 million it is perfect.
You too, my friend, remain safe
Got that's a lot of work. Takes a few minutes on my Sledge.
Epic tutorial video👍🏿music is great as well...reminds me of Tool🤘🏿
Thank you so much 👍🙂 I am very happy that you enjoyed it😁
By far the best video yet on this procedure (been watching a lot of others). Plan on doing mine this weekend and the walk thru definitely helped. Thanks!
Thanks really thanks friend, I'm really happy that you enjoyed the video and above all it was useful👍🙂.
Thanks for watching and thanks for the support
Nice👍👍👍
Thank you so much buddy
Best video ive seen on this !
I am really happy about this friend, you are really kind, I hope I really helped you, but if you still have any doubts I am here. 👊😁😉
@@drrcstunt i have a 8s on order , cant wait to pick it up ... your video helped ... thanks
Great video. Thanks for the effort
Thanks to you man for watching, I hope you enjoyed it, it's my pleasure.
wow great job
Really thank you so much Jason 🙂👍
Excellent! Thank you.😀
Thank you for watching buddy👍🙂
Nice video!!
Thank You so much Bud, i Hope he helped You 🙂
Trop bien ta vidéo 👍
toujours gentil mon ami, j'espère aider beaucoup de gens avec ce
GREAT VIDEO!!!
Really thank you so much Buddy 😁🤝
Not sure about totally dry o-rings, or dry anything for that matter
A small amount of regular silicone/o-ring grease on on all moving part mating faces and o-rings would be good i'm sure...
Do you think maybe you are using way to much threadlock. Maybe switch to purple instead. Seems overkill. Otherwise good vid. Prob would have put some lube on the output cup shaft before you insert it thru the seal but otherwise good. Especialy warning of oring swelling. Your hear your voice even if bad english but good none the less. Liked.
Hi buddy, I appreciate that you liked it and your sincerity, thank you very much👍👍
Awesome video best how to video ive seen on UA-cam. Made me laugh @ 10:00 🤣🤣 . Great video will help others a lot bro especially me . Big thumbs up and a sub too , Keep the videos rolling bro😎👊
Hi friend 🙂, Thank you so much really appreciate your comment, yes, I also had a lot of fun the first time I touched it😂😂.
I hope so much that my video can help many people, I am very happy that it served you 😁😁
😘😘😘👍👍👍💪🤩
Grazie mille 🙂👍
Hello! Thank you for your video, could you please tell me what grease you used at the end of the video for big gear, thank you.
Cioa, thank you for watching the video, I used lithium gear grease bought normally in hardware store, but just use any rc gear grease
@@drrcstunt I meant at 13:07 yellow one, thank you. I'm new in RC cars, so I would be pleased if you can tell me the exact grease that I can use for this place, because they are the same for me now =))
What was the grease you used before reinstalling
It's a grease that I got at the hardware store for lithium gears
Suppppeeerrr
Thank you very much Friend 👍🙂it's very important for me, very kind 💯🤝
Is there alot of play in these centre diffs. I think I can hear my ring gear on the diff slam front and back
yes there is usually some play, you have had some problems?
@@drrcstunt hey it just sounds like goging or a skip.
the amount of threadlock they used is mental even using a heat gun on my center diff one of the srew heads twisted off rather than the screw coming loose
YES, all that threadlocker is not normal, I also had many problems unscrewing them
@@drrcstunt I know right it was just mad a ton on every screw it's supposed to be a drop if you get a bit to much on oh well it happens no big deal but the amount they used it's like someone got hold of the tube and half filled all the holes on the diff with it then put the screws in 😂
Do you feel that petrol/gasoline is the best to dissolve the silicone? I use brake cleaner but never thought of using fuel to clean these gears.
Hi bud, For me petrol is really good, it dissolves grease or oils really well, once cleaned I blow it off immediately with compressed air and they are as good as new
@@drrcstunt I just tried this with some old gasoline I had in my shed. It's about 4 years old so I'm not sure why I still have it lol. Anyway, it worked really good taking off the silicone. I guess it's a good thing I didn't dispose of it. Thanks for the great tip.
What brand of heat gun was that?
WHY doesn’t anyone ever heat up the diff oil/lube/goop with a heat gun in order to get it to flow easier when packing it? Am I the first to think of that or will the heat gun harm its compound makeup??? BTW fantastic video👏👏🎬
Hi friend, yes you're right and was the first thing I thought, but I had fear of ruining the composition and in the end I preferred so, thank you so much for watching, much appreciate your comment👍😀
@@drrcstunt …. I just got plugs and I took a lighter to it just to see if it responds to heat. Turns out NOPE! It does not get soft. It does not melt, it does not burn, nothing happens.
Nice video bud!
Thank you so much Bud
#subbed
@@LittleTimmyPool 👍🙂🍻
Hi thanks for the vid. I need to do my hpi 5sc diff. Would you recomend the same thinkness grease? Looks very thick almost like rubber
Hi Bud, really thank you so much, I am very happy that you enjoyed it 🤝. I have never had HPI 5SC but in my opinion it is exaggerated as hardness in the center differential, plus you also have smaller and lighter tires, for me it is better to try something less dense
I never use threadlocker.
I only use it in certain places, but the medium one, otherwise it just creates problems
@@drrcstunt I like opening the differentials.
Can the cleaning of the parts with petrol be done with wd40
Yes, yes, I know, but I like petrol better for certain things haha
I have the stock diff fluid in my kraton 8s with a 23 tooth pinion and I have no problem putting it on the rear wing. It pops wheelies awesome. Any heavier diff fluid would cause it to flip on its roof and thats no fun.
Are you running the stock electronics? Most overpowered motors will ware out the center diff without heavier oil to prevent over spinning.
@@toysforboysrc at that time I was. Now it has the 1100kv max 5 hobbywing setup in it and it flies.
@@motorcityrcattack9872 … 🔥😍gotta love power. My second ARRMA…., 1/5 EXB XLX2 1100kv 7200/100C 4s ., took for ever to build but I’m glad I made the sacrifice. The power experience has made me humble. I kinda feel like, I want to run it but I also want to keep it mint and intact. I’ve become that guy lol. Before I used to run my vehicles to the bone and juice the life out of them and I loved it but now I’m married and a family man, if I ware this truck out, there’s no coming back from that you know lol.
I also love that I don’t know as much about todays rc gear like I did back in Novak & Trinity days. It’s like the pleasure of getting into my most loved hobby all over again.
👍🏻👍🏻🤘🏻🤘🏻👍🏻👍🏻
Thanks bud👍👍
Took mine apart yesterday. Not 1 drop of lock tight was used And every screw was loose on the entire Kraton I just bought this last week. It must have been built on a Friday 🙈 I bet if I was bashing it and hit a few good jumps it woulda came apart crazy
@@larryguest6468 wow unbelievable, you did well to check everything, surely after a few jumps you would have disassembled something and done damage
Yes not impressed for what we pay for them
Did u reapply loctite?
Yes after repairing the tire I reassembled everything and re-glued it with glue, thank you so much for watching friend👍🙂
What is the replacement interval for front and rear diff oil?
And what kind of last grease did you use?
I put 1 million on the back and front and used a lithium gear grease bought from the hardware store, Thank you so much for watching 👍😉
@@drrcstunt Thanks bro~!👍
Just got my Keaton 8S today and saw your video, sorry for the dummy question but why did you do it??? What’s the benefit of doing this? Should I do it to before my truck gets dirty lol that is for help ....I’m new with this rc stuff
HI friend I'm David, meanwhile, welcome to this world of rc 🙂you'll have a lot of fun.
Why did I do it? simply because I need a much more responsive car.
Since you're new, I'll explain a little thing, each their own rc the modification based on the use that one wants to make of it.
I practice bashing (in a nutshell stunts of all kinds and mega jumps), so I need a very reactive car and the stiffer oil in the central differential gives me the opportunity to make the car much more reactive in the air.
If you are new to the sector etc. I suggest you to use it as original as it drives very well, the more responsive the car, the harder it is to drive.
in my channel I also have other videos on Kraton 8s, if you may be interested, then soon I will post some more.
If you need help all you have to do is ask 👍🙂
DRRC stunt thank you for explaining! Yes please make more vids with kraton, will be glad to watch. 😁 Any mods you suggest to do to make it more durable? Thanks again!
@@drrcstunt thanks for explaining this David
@@petebarr780 thank you for watching the video, hope it was helpful👍
@@drrcstunt my rear diff went out... horizon is shipping a new one for free which is awesome... but with this video I'll be able to check and repair them myself now so it was very helpful!
That looked hella hard😬 idk if I can do that my self
Thanks for watching friend, step by step everything is done😎👍
How often should you change your diff oil
you mean how often? should i replace it?
@@drrcstunt like in a normal car they say replace the gear box oil every 1000 miles to prolong the life of the grinding parts..i guess it the same for the moving parts of a rc vehicle. Ie the differential oil or whatever it is...i was just wondering because it would be tedious doing it every 10-20 runs..
@@nosh121081 Yes, every now and then you have to change it, because even this type of oil wears out and loses its effectiveness, and also always check that there are no leaks, otherwise you risk demolishing the differential.
But then one depends on how he uses the rc, in the sense that if one does the races, he replaces it every race or every two, to ensure that the vehicle is always prepared for maximum performance.
But it can be checked even less frequently, if one likes to turn around every now and then in the garden.
what do you do with RC?
@@drrcstunt i only take it on grass but i dont blast it..keep it nice and steady..not to much blasting..i enjoy taking it around the entire park on 3 quarter speed
@@nosh121081 so for the moment I would say that the oil will last long enough in the differentials
Ahh ok so 1mill front n rear 20mill center is a good base set up for general bashing ?
Yes of course, it makes the model very responsive, then if you have noticed now in the 1/5 exb models they put 20 million already as standard
@@drrcstunt …. 20 mil center diff on 1/5 EXB??? I just built an all brand new XLX2/1100 on my 1/5EXB and the front wheels balloon and over-spin 🤔 20 mil? Do I need silli ear plugs?
Hi mate , great video as always, sorry I'm a newbie... how often is this needed to be done roughly, light jumps. Also is it a case you can tell when it needs doing or just do it so many runs ? Thanks
Hi friend I am very pleased that you enjoyed the video, and I also hope that it was useful to help you, the timing for when to do it is not precise, let's say, it depends on how long you use the car and how.
For example I have done the center differential more than a year and it is still fine, then turning the tires by hand you can hear if the differential turns too soft or still has strength
@@drrcstunt that's great thanks for your reply. Yes the video and your reply has helped thanks buddy.
@@carlr1883 perfect 😉i am very happy with this, when you need if i can help you
Does anybody know where to get quality 3.5x16mm countersunk screws for the center diff??? I took my brand new one apart on recommendation to check for lube/fill amount and every one of those screws is junk. I ended up drilling out the heads and having to buy the red center portion to replace the old one because the screw studs are locktighted in too tight. This happens to me twice on a BRAND NEW never ran kraton 8s. Why on EARTH do they have such crappy screws holding that diff together?
If anybody knows where to get good screws for this please let me know. I have two diffs now with stripped out screws. Shame on arma!
Hi friend, I understand your problem very well, I did the same thing, I split the screw inside, the real problem is that they put too much threadlock of the screws where they tighten in the aluminum, eventually they don't unscrew anymore and split🤬.
You have to heat them up the first time when you unscrew them with the blowtorch and make them hot, then you unscrew them, after that you better throw the screws away and put new ones in, I solved it that way, now I don't have any more problems
Thanks for watching bud 👍👍
How often do you need to do this from a new truck?
In mine I did it to have the most responsive model, maybe it is better to check everything after 15 maximum 20 outputs.
Hi what gains do you get from this
with this harder oil in the center differential I get a much more reactive rc
@@drrcstunt thanks iv just ordered some
@@brettbain1 perfect, hou have a Kraton 8S ?
@@drrcstunt yes love it
Why change the oil instead of changing the gears? Can't 36/27?
For now I have changed the oil to have the much more reactive model for tricks,but I haven't tried to change gears yet
Assistance please.... When i tight the screws after replacing the oil 1m; the differential doesnt spin....
I figured, I was so tired that I didn’t see that the one side piece was reversed.😢😂😂😂😂
@@alor6643 hi bud, sorry for lete reply, it happens when one is tired haha, it happens to me too😜👊😉