I Upgraded The Arrma Big Rock 6s And It's AWESOME!

[@m2cracing168]

WOW! You really knocked it outta the park with this video, enough info to be concise, without wasting any time. Great bash! Thanks for punishing the parts!!!

[@DoRC]

Thanks Glad you enjoyed :-)

[@idjc2621]

I appreciate what you did here. I would have liked to see how long it lasted stock…with maybe just tires, pinion, and punch change. Happy Bashing

[@DoRC]

I'm sure there will be plenty of people that keep theirs stock and will report back long-term. If I waited too long to make this video no one would watch it :-) Thanks for watching!

[@idjc2621]

@@DoRC I definitely understand the pressure content push. I hope u have some fun with it though. I’m still disappointed it didn’t have AVC, as well as the FT.

[@DoRC]

Oh yeah I'm definitely having fun with it. It feels like the fire team should have and I'm especially enjoying the wider track of the badlands which makes it a lot more stable.

[@nicholasali6991]

Awesome Vid! What's the name of the mud guards you used on the rear lower control arms? Thanks

[@DoRC]

I think I got them from M2C but now I can't remember.

[@CornholioMcGeeRC]

That truck looks sweet!! I missed a couple minutes here and there did you say how much you spent on all those hop ups?

[@DoRC]

I did not. It's a lot :-) I haven't added it all up because I don't really want to know but you're probably looking at 8 to $900 worth of upgrades.

[@CornholioMcGeeRC]

Cool just wondering. Love the videos!!! Keep it up!!

[@RCvapor]

Nice upgrades 👌 definitely got more air control now 👍

[@DoRC]

Yeah that's mostly on the tires but it definitely suits my style of bashing better. I wish I had actually recorded the hits that it took to break it though. They were pretty intense.

[@Weekendprojects1984]

what chassis brace supports did you use on this? I just. broke my stock one and think I wanna upgrade to aluminum ones..

[@DoRC]

M2c

[@Rihzle]

hi there. I just bought a big rock 6s and not even 15 minutes into bashing one of the front differential outdrives broke. Is there a good m2c upgrade or just go with stock again?? I love this video and i bought the beefcake kit and see it has outdrives but dont know if there is a better option.

[@DoRC]

The M2C outdrive's are good. You will probably break fewer of them

[@Rihzle]

@@DoRC thank you for responding!!! I’ll try them out :)

[@DoRC]

@@Rihzle let me know how it goes! Thanks for watching :-)

[@kevinf7201]

I really enjoy watching these builds. Great work, that was a lot of parts sourcing and wrenching. I appreciate the many hours you spent making this content. You have a nice build formula here for bashing. I’m interested to see how the diff cases hold up.

[@DoRC]

It was a lot of fun to do and I'm glad you enjoyed it :-)

[@toddschelbrock9828]

Hello sir… I’m running the same setup as you on my Big Rock 6s. My question is … What color wires on the HobbyStar 4092 (yellow,orange, blue) plug into the stock Firma esc (a,b,c) connections? The new motor doesn’t come with any instructions. Thank you 🙏

[@DoRC]

Doesn't matter. Sensorless motors can be plugged in however you want. It's possible The motor will end up running backwards. If it does just switch any two wires. The wire order only really matters with a sensored setup

[@toddschelbrock9828]

@@DoRCand the connections don’t match. What did you do to make them fit?

[@DoRC]

@toddschelbrock9828 oh right the motor will have 6.5 mm bullets while the ESC has 4 mm. You'll either have to get adapters or remove the bullets from one end or the other and solder the correct ones on. You can get adapters on eBay and the correct bullets on Amazon

[@toddschelbrock9828]

Ok perfect! Thank you for the advice. Just out of curiosity, we’re you able to get the metal strap that clamps the cooling fins to fit the new motor?

[@xxtrendkillerxx249]

Just found your channel, and im throughly impressed. The details you go into are sooooo freakin helpful and the stuff that everyone glazes over.....And your build is beautiful man. Such a nice looking rig stock, but what you did is almost magical. 😂😂😂

[@DoRC]

Thanks man I'm glad you enjoy. I have a fairly technical background and I really like digging into these things.

[@xxtrendkillerxx249]

@@DoRC It shows and it's seriously appreciated. I saw you Grom 3s vid too, and its going to help with my boys xmas gifts! Happy holidays and happy bashing! Cheers from MN.

[@DoRC]

@@xxtrendkillerxx249 Thanks you too :-)

[@jasonridgeway4541]

Lets hope RPM pays attention. I break their rear arms in the same place. I run only EXB rear arms. Put them back on and the truck will be solid! Great video and build!!!

[@DoRC]

Yeah I'll be putting the stock ones on. See if they last longer :-)

[@Adubbs87]

You’ve created a masterpiece!! What a beautiful rig! The red imo is the best color body!! All those upgrades are great and they look amazing as well!! Wow you def had much more air control (making doubles look easy)

[@DoRC]

Yeah it's definitely more my style now :-)

[@christianhvidt6823]

Really realistic looking..and seems very stabile on high speeds💥👍

[@DoRC]

Yeah it's a pretty fun truck!

[@RCPropaganda]

Man I need mods. Took out today stock and needs more to jump. It has no air control. Def will be upgrading asap.

[@DoRC]

Yeah the air control is pretty bad out of the box. Larger tires that will balloon more might fix the problem on their own. The stock tires aren't super big and they don't really balloon.

[@zachhartson4819]

Yes, Ti is beautiful and what I love about it is it's easy to anodize yourself at home. Just do a youtube search on how. Or you can simply take a torch to your titanium and slowly heat it up to get some awesome colors to appear but just remove it from the rc first! lol

[@DoRC]

Yeah anodizing titanium is a lot of fun and pretty easy like you said. I've messed around with the electrolysis method a couple of times in the past and it's challenging to get really good looking consistent results especially if you are trying to do a fade or something like that but it's still a lot of fun to mess with.

[@inspiredrc]

Dude that things a tank!💪💪💪 I wasn't surprised the servo gave up on them big wheels. Did you tune the diffs? Even with 16t it seemed to have decent power and air control. It would be interesting to know how much the upgrades cost.

[@DoRC]

I actually think the servo would have been okay if the aluminum servo saver hadn't completely seized up. It actually held up pretty well given that there was no servo saver essentially. I did not tune the differentials they are still stock and they feel pretty good so I don't think they need to be messed with. I didn't add it all up and honestly I would be afraid to but it's probably in the 800 to $900 range

[@inspiredrc]

@@DoRC WOW! That's alot but it is a tank now👍 thx for being honest... I feel some creators just push upgrades without discussing how expensive they are. Tbh I would start with upgrading the towers, braces, servo holder and chassis. I've got carbon fibre towers on my fireteam which have been bulletproof so far 👍 the rest is exb parts. I would love to see what difference a set of 6s backflips would be on the truck. 🙂🙂

[@DoRC]

@inspiredrc Yeah I think backflips are probably going to be the tires I end up with on it. These tires look great but they are hard on the drivetrain.

[@Havingoneofthosedays-]

Great vid and and parts choices 👍. Love the build upgrade vids. Give us great options to go for

[@DoRC]

Thanks man It was a lot of fun to do and I'm glad you enjoyed watching it :-)

[@Havingoneofthosedays-]

@@DoRC seriously loved it. I’m making a shopping list. I sent it to two other guys who are one the fence

[@DoRC]

@Havingoneofthosedays- Thanks man I appreciate it!

[@gillyboyNY]

Great video! I like the attempt of the instant install on the front module that didn’t work and you said, “I’ll do it the old fashioned way.” 😂😂😂 your vids are getting so much better, more entertaining on top of great RC content.

[@DoRC]

Thanks Glad you enjoyed :-)

[@YoungWide]

your style of videos and pacing reminds me of Ultimate RC Network

[@DoRC]

I'm very glad to hear that. URC was pretty much my idol when it was still active and I I'm heavily inspired by his videos.

[@850RC]

What size motor did you install?

[@DoRC]

It's a 4092 Amazon special. They're a good upgrade from the 4074 motors.

[@850RC]

What KV, and how are the ESC temps? @@DoRC

[@DoRC]

I think it was 1730 KV and I didn't have any problem with ESC temps though It isn't very hot out.

[@850RC]

@@DoRC Sweet, thank you! I just bought a couple for my cars, based on your reviews. Surpass Hobby is so underrated, glad to see it on your channel. Looks like a powerhouse of a motor.

[@DoRC]

@850RC Yeah honestly I have tried a bunch of different motors from various random brands and whereas I'm sure Castle motors are higher quality I have found that basically any brushless motor will work and will work fine. There's just not that much to them and as long as they aren't literally built defective they're going to work. Thanks for watching!

[@Shadows-RC]

Where the heck did my comment go? Edit: Well anyway...that's a really stout build. AllinRC stuff is super solid. Strongest, most thick machined 6061 aluminum out there. Their suspension blocks aren't hollow either. Beautiful truck.

[@DoRC]

Thanks! Yeah overall I'm pretty happy with their products though the servo saver is not something I would use again. It galled and seized up pretty much immediately.

[@Shadows-RC]

@DoRC That's good to know. But I'm super happy with their suspension blocks. On my K6, I use Hot Racing's. Just make sure you disassemble the servo saver, and with an EXB spring, put a thick washer from the EXB shim kit for open diffs in it. If ya' don't, the poor aluminum halves will constantly grind against each other until they're ruined, regardless of the brand. I find doing that to be more stout than the adjustable servo saver tubes with the threads. There's a method to get that stock servo saver apart using a thick cap head screw, some stock steering bushings, two wrenches, and a bench vice.

[@DoRC]

@all-is-Grass interestingly the stock servoSaver on this truck just came right apart. It wasn't even threadlocked. I don't know if they missed it or if they're not doing that anymore but it has an o-ring like the aftermarket ones do. I did put dry lubricant on the all-in RC servo saver before installing it. It seems as though the ramp got deformed which caused it to seize up. It's possible that it just isn't up to the task of these big tires and all the abuse I was putting it through. Not entirely sure. Could have just been a fluke too.

[@402Racing]

​@@DoRChey there, liked your videos and now i ordered a Big Rock for myself, i see you are discussing the servo saver and in the Kraton EXB video you mentioned the new design being so much better, have you tried that one on the Big Rock 6S? Would you recommend going for that one as some sort of "day 1" upgrade? Its not crazy expensive and Arrma list it as optional part for the BR6S. Which of the upgrades you did, or are available now would you say are a must have for any new BR owners? Thanks and keep up with the good work, ill try not to wreck mine in the first drive, lol.

[@DoRC]

@@402Racing I'm always hesitant to recommend upgrades right out of the gate just because I don't know how you bash and I don't know how you'll crash. If you're a fairly gentle basher and are just out having a good time with it not smashing it up too much you may never need to upgrade anything. The stock service is fine for the stock servo in most cases. It usually ends up being a problem when you upgrade the servo and the servo saver just can't keep up. Ultimately I say take it out and have fun with it and then worry about upgrading stuff when you find weak points according to your own bashing style.

[@StevenYDG69]

That motor is fine with a 19 pinion on those tires. Obviously max6 is gonna get it ripping harder too 🤘🏻😊

[@DoRC]

Yeah you could definitely gear up I just didn't want to blow the tires apart and I knew I was going to be ballooning them pretty hard in the air

[@cannibal666]

Upgrades made it better and stronger💥but the price of what u put in to it you could buy another truck great build 👍

[@DoRC]

Yeah definitely not a practical endeavor financially :-) Thanks for watching!

[@DoRC]

@creditrazer981 The truck's actually pretty good out of the box for normal bashing. Many of the upgrades I did are not really necessary from a practical standpoint. It was both for the experience for me and to share it with you guys :-)

[@DoRC]

@creditrazer981 Thanks Glad you enjoyed!

[@Naginc]

Great video! I mean youve got reviewers bashing the vehicle, which some criticism is good, but theyve gone overboard forgetting what this hobby is all about. Arrma and Traxxas dont build rc's to jump 40 ft in the air from the factory, period. If a person wants that you have to spend $$$ for upgrades which youve done. Guys buy a 1k dollar Xmaxx and immediately take out all the electronics...they call the electronics trash, from factory, I've never upgraded my Xmaxx I kept it factory because I wasn't prepared to spend a lot of money, but if I did, I would follow your lead. I own a ton of rc's from different brands, some of these reviewers dont realize theyre killing the market of which provides them income. The Sledge nosedived from the factory. Truth is this is an expensive hobby. Great video

[@DoRC]

Yeah big air gets the views but it's not representative of how most people are going to run these vehicles. Personally I haven't really noticed much in the way of nose diving. The truck doesn't have the best air control in the world and maybe people who are used to having good air control aren't accounting for that but that's also really not what this truck is for. It's not a stunt truck. If it was it wouldn't have a 3 lb body on it :-) Glad you enjoyed and thanks for watching!

[@Naginc]

​@@DoRCYou've got a new subscriber brotha! Thx

[@DoRC]

@@Naginc awesome thanks for the sub :-)

[@ronswitzer6057]

Wow that thing is beautiful ❤️

[@DoRC]

She's definitely a beast!

[@MrtipRC]

Yeah i only added a few upgrades to mine , i dont go this crazy on upgrades . Nice build tho

[@DoRC]

To be perfectly honest all of these upgrades are not necessary. It was just a fun build and something I wanted to share with you guys :-)

[@toolbaggers]

Your shock holder not only needs a laser cut 'REAR" marking, it should also state "UP."

[@DoRC]

Why?

[@joseCalderon1976]

I don't like using those heavy tires. I've used the badlands before, but it was the smaller ones. The MT ones. I would be afraid to damage my diffs with those tires long term IMHO. I run my EXB K6S XL with just the EXB stuff and had been very solid. Even the chassis. I do replace the shock standoffs with the M2C ones when they break.

[@DoRC]

Yeah they definitely are not good for the drivetrain. I think a set of backflips with hex extenders will be a much more appropriate long-term solution.

[@joseCalderon1976]

​​@@DoRCI use the K4S tires in my K6S XL, but I'm careful since they can rip. I don't like hub extenders TBH. I hate those RPM arms. I always replace my broken arms, which happen rarely, with stock EXB arms 👍. Better fitment. Maybe I suck, but I had issues fitting those RPM arms into my 6s rigs 😅

[@joseCalderon1976]

Meh, some of those upgrades are just bling for me. Specially the rear hubs. I always use stock. I try to use as little aluminum as possible to keep the weight down. The more your rig weighs, the more you break easily 😂. Damn, that big rock is like $1200 plus by now 😅😂

[@DoRC]

@@joseCalderon1976 The stock EXB arms are the same arms that are on this truck from the factory. Pretty much everything V5 and beyond has the EXB arms. I've used The RPM arms on a few different vehicles. This is the first one I've broken but it did seem to break a fairly light hit. I'll go back to the stock arms in the rear and see how it goes. The RPM stuff does tend to need a little bit of trimming from time to time.

[@DoRC]

@@joseCalderon1976 Yes. Some of the upgrades on this truck especially the hubs are unnecessary. Honestly I really just installed those because I was curious to see how the Amazon special stuff was coming along. So far I'm actually pretty impressed with everything but the servo saver. Those hubs and knuckles that I bought were about half the price of The big names and so far they're holding up really well. Bulkheads are too.

[@RUZTY1311]

Looks great!! Loving your channel I just found it!!

[@DoRC]

Awesome thanks for watching!

[@gonzodetroitify]

Nice show here Kenni💯💥 with those prolines on now it looks like a red Hobao hyper mt 🤭 their last released monster truck And I’d buy that for a $🤩🤩

[@DoRC]

Think you're going to need a couple more smiley faces to buy this one off me :-)

[@gonzodetroitify]

@@DoRC 😩🤦🏿‍♂️😎😎

[@GreatLakesRC]

What a beast! 💪🚀

[@lucapoehland1958]

How does this guy not have more subscribers

[@DoRC]

I know right. This guy's pretty much the best channel on KZbin!

[@lucapoehland1958]

@@DoRC seriously

[@DoRC]

:)

[@AnthraxxRc]

That thing looked massive when you took it out to bash 😂

[@DoRC]

It is. It's really not that much smaller than an X-Max and weighs almost the same now :-) definitely a beast of a truck. I'm impressed that the differentials held up.

[@AnthraxxRc]

@@DoRC man I haven’t been able to check one out yet that’s awesome lol

[@DoRC]

Definitely a fun truck! I think it'll be a better value when they lower the price but it's pretty cool.

[@AnthraxxRc]

@@DoRC looks like it I’m for sure picking one up at some point great vid tho

[@nylertv4266]

can you put the link to these parts?

[@DoRC]

I don't really like doing links just because they tend to become invalid so quickly. Most of what I got is M2C or available on Amazon though.

[@GregoryMcGehee-ex3cl]

Great video!

[@DoRC]

Glad you enjoyed I have another similar video coming soon stay tuned!

[@MdRai_75]

Yeah...Big Rock🤘

[@DoRC]

Definitely a fun truck!

[@XxTrustNoOnexX]

Wow Arrma tank😎🔥🔥

[@DoRC]

Yeah she's a beast :-)

[@RC_Berserker]

Is that the same park Joe from exocage runs at?

[@DoRC]

No. It's the same region of the country but not the same place.

[@Phil_4young]

Put a max 6 in that beast!

[@DoRC]

I'm not sure more power is really what it needs. This isn't really a crazy stunt truck and the stock ESC seems to work pretty well for it.

[@tyshiddejuremanbey1313]

NO BRO YOUR HIM, YOU JUST HAVE TO BE HIM🤷🏿‍♂️!!!

[@DoRC]

Thanks for watching :-)

[@AllInRc1971]

See, living vicariously through others is way cheaper, and easier. My Pigrock 6s went through a Gens ace 6800 and little more than wheelie and collect dead grass.

[@DoRC]

Cmon. All I need is about $1,000 in upgrade :-)

[@AllInRc1971]

@@DoRC $1000 got me a very nice Blue XRT and a well done LMT Gravedigger with a DX5C transmitter at a swap meet down in Davie today. Volume at this point. Now to reassemble the Fireteam.

[@DoRC]

@AllInRc1971 nothing wrong with that :-)

[@spenn2007]

Front Diff will be the first thing to fail. Outside of their drive shafts, everything else negatively alters the engineering of the RC, to each his or her own though.

[@DoRC]

Why would the front differential fail first?

[@colerippeon3903]

​@@DoRCbecause that's what he read on a forum somewhere lol

[@DoRC]

@@colerippeon3903 Yeah I really don't know why a front differential would be a specifically targeted part. Front diff certainly has less load on it than the rear diff.

[@joseCalderon1976]

If they are the EXB diffs, they have been solid for me after a few months on my K6SXL with the MMX8S and HW 4985 motor. 23T pinion 🤷. But that's a different beast.

[@DoRC]

@@joseCalderon1976 Yes these are the EXB differentials.

[@leemoreno4913]

100% upgraded? That’s funny.

[@DoRC]

It's pretty close. I upgraded everything that I think is worth upgrading.

[@MLE.TheDottedLine]

Parts list

[@DoRC]

Sorry I don't specifically have one. Honestly I wouldn't recommend this specific build anyway. It was kind of designed to get over the top thing and isn't the most practical in the world.

[@MLE.TheDottedLine]

@@DoRC trying to make a repair to my own big rock , need front upper and lower control arms , could you shoot me a Amazon link

[@DoRC]

@MLE.TheDottedLine the best way to get stock part numbers is just to look up the exploded view diagram on the horizon website. It's interactive and you can just click on the numbers to get the part.

[@buffernickel]

That motor and the tires are a BIG DOWNGRADE!!!!

[@DoRC]

How so exactly?

[@geordienufc3132]

Why buy the stock model when you're going to change pretty much every part? Just by a pile of aftermarket bits and build it from scratch.

[@DoRC]

Yeah if you're just doing this at home it would possibly make sense to go that route however I bought the truck to review on the channel and then to do the upgrade video so just buying a pile of parts would have eliminated half of that equation. Sometimes for the sake of the channel and you guys I have to do stuff that doesn't quite make sense:)

[@tripletrc5654]

Because that's the only option 😅

[@DoRC]

At least in my case it is :-)

[@spike--]

"just buy a pile of aftermarket bits and build it from scratch". 🤦 Why would you buy a rc car when you can build your own. 🤔😅😂🤣

[@DoRC]

Not sure I understand this comment. Can you clarify?

[@grahamjacob710]

If you need to buy that many upgrades the car wasn't worth having to start with😂

[@DoRC]

You don't need to buy that many upgrades. It's kind of like going to Starbucks for coffee. Nobody needs Starbucks coffee but lots of people enjoy Starbucks coffee :-)

[@grahamjacob710]

@@DoRC I know it's similar to a kraton 6s and mine breaks on every run.... Them front shafts love to eject from the drive cups.

[@DoRC]

@@grahamjacob710 If it has the reinforcement rings on the outside of the arms you can take those off which will move the shaft into the cup a little bit further. This definitely helps

[@grahamjacob710]

@@DoRC to be honest I've given up on the car altogether. Rival mt10 all the way!!

[@DoRC]

@@grahamjacob710 MT-10 is a tough truck!

[@owen8538]

Amazing Subscribe

[@DoRC]

Thanks!

[@beandean356]

This Truck is already overpriced and you changed 70% of it? How much did all the so called heavy upgrades cost?

[@DoRC]

I didn't add it all up but it's probably around 8 or $900. I'm not going to say that the upgrades I did were all practical but part of this hobby is making things your own and having fun and I really enjoy upgrading!

[@DoRC]

@creditrazer981 before I really got into my channel I used to do things largely the way you did. I had a few or RCs that I spent a lot more time with developed and got exactly the way I liked them. The channel sort of shifts that paradigm away from doing that though.

[@omegar3ll24]

Nice

[@DoRC]

Agreed and thanks for watching!

[@angelogallegos1400]

Will the proline Chevy c10 fit the big rock ? part number PRO322700

[@DoRC]

Not sure. I have never had one in my hands so I wouldn't want to give you an answer to that. I would recommend contacting proline and seeing what they have to say about it.

[@bakerboys32]

Nice 👌🏽👌🏽 so i think i will directly orders parts from M2c and decayls maybe Rocks “” body from Arrma or by then proline””” 🤔🤔. 😵‍💫 looks like thrs no need for a direct big rock buy… Horizon hobby 🫢

[@DoRC]

Yeah you can definitely emulate this truck by extending a Kraton for a lot less money.