Is Higher Better? We Test Long Arm Lift Kit on TRX4 to See!

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Traxxas TRX4 Long Arm Lift Kit on the TRX-4 Bronco! We slap bigger wheels and 2.2 Boom Racing Hustlers underneath and then we put the big, heavy crawler through its paces.
So, is this a decent upgrade? Is the TRX4 better on the rocks with the long arm lift kit and 2.2s than it was with the 1.9 Canyon Trails? Let's find out!
Available on Amazon: amzn.to/43onbba
(Affiliate link; thanks for your support!)
Tires on my rig: asiate.es/aff?l=150231&i=76070
Traxxas TRX4 Long Arm Lift Kit (TRA 8140): traxxas.com/products/parts/8140
(Sometimes you'll just need to search a store for 'TRA8140' or 'Traxxas 8140' and you'll find it.)
--
Chapters:
0:00 TRX4 Long Arm Lift Kit
0:22 Lift Kit Manual
0:34 Lift Kit Components
1:02 Panhard & Steering
1:27 Links & Gearing
1:54 2.2 Wheels & Tires
2:08 Addressing CoG
2:34 How's It Look?
2:54 2.2 Tire Mod
3:09 6-Problem Test
3:31 Problem 1
4:10 Problem 2
5:07 Problem 3
6:00 How CoG Affects Driving
7:29 Completing Prob 3
7:50 Problem 4
8:53 Problem 5
10:41 Problem 6
11:44 Test Debrief
12:07 LLK is a Compromise
12:39 Center of Gravity
13:10 Where To Get It
13:20 Wheels & Clearance
13:51 Love Meeee!
--
Follow us:
Website: rc-tnt.com/
Twitter @rctrailandtech and on Instagram:
/ rctrailandtech
#rccrawling, #rcreview, #trx4bronco, #trx4liftkit --
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Опубликовано:

22 май 2024

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Комментарии : 106

@276rclife6 2 года назад

Another really cool video..that thing looks crazy big with the lift kit..looks like it's ready for deep mud and river crossing. I just noticed that you've got a right hand drive interior installed..that's really cool and scale looking..Can't believe how easy it did all 6 problems with the right lines and careful driving can't wait to see more of the Bronco!

@ron486 Год назад

I wanted to put a high lift in my bronco or blazer but didn't want the high center of gravity. Then came the K10. Bought it and love it. Totally different drive then the other two. I recommend if at all possible get both rigs. You won't be able to wipe the grin from your face. RCTNT 💯👍

@RCTNT Год назад

It's been in Australia for a few weeks now finally. Friends of mine bought one, I'm looking forward to meeting it and comparing!

@SoteroMurguia 2 года назад

Totally agree. The lift kit is cool but it is really only good in a couple of situations (mud and snow). It's a great add on is you have a spare truck just for those situations.

@RCTNT 2 года назад

It's definitely more capable on the rocks - just gotta watch that cog!

@surfside75 2 месяца назад

I see the kit as a long travel option for more articulation along with some desert🦎lizards internal. tuned. Front can be tuned with much patience to utilize all 120mm of these shocks travel. ❤trx4

@RCTNT 2 месяца назад

That's a very thoughtful approach, I like it. Hoooowever, there's another use for the Long Arm Lift Kit... ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-TNPq8ZgN7OQ.html Hehe

@grahammarkhorn 2 года назад

Great Vid as always.......congrats on the 1K subs well deserved.

@RCTNT 2 года назад

Thank you very much! It was a lot of work but also went quickly. Here's hoping the next 6 months are just as interesting, if not moreso, than the first! Cheers :)

@heaven83hj 2 года назад

Thank you for the amazing Bronco video!😊

@RCTNT 2 года назад

Thank you for watching it!

@heaven83hj 2 года назад

@@RCTNT I'll visit often!😲👍🏻👍🏻

@RCTNT 2 года назад

@@heaven83hj great! It's our first anniversary here in youtube in just 15 hours. Catch you then with the next video!

@heaven83hj 2 года назад

@@RCTNT Congratulations on your first anniversary!^^ I'll be back in the next video!😊

@DoubleADay 2 года назад

My Bronco drove and rode like a lumber wagon until I put the light or white springs on the long arm shocks. It doesn't sit as high but it flexes and articulates like you wouldn't believe. Give it a go and see what you think. Cheap upgrade. I did go with 45wt oil in the shocks

@RCTNT 2 года назад

Nice job, that sounds like a really effective mod. With that in mind, I'm considering even just running a droop setup to compare performance with stock springs. Your performance would sit somewhere between the two, possibly, or else it might be the best of all three. Dunno yet. One way to find out! Keep experimenting! Thanks for sharing :)

@mikealexis 2 года назад

Thanks for sharing buddy

@RCTNT 2 года назад

No worries! We're taking these out again in just a few hours. They're a blast on the trail.

@brianmassey7563 2 года назад

I know I'm super late to the game, but with the white Traxxas springs on a *stock* body it worked great with 1.9" tires. When i added a roof rack with heavy items, the rear tire carrier, and lights, it was too much for the white springs and I went back to the stock long arm springs. Still on 1.9s, with brass carries and portals it's super fun to crawl with.

@RCTNT 2 года назад

I can see how that would have helped. Get the cog a bit lower, eh? Nice one, thanks for sharing your results! Happy crawling :)

@SuperChunk1775 2 года назад

It would be awesome if you did a build series on the kit, another great video!

@RCTNT 2 года назад

I'll write an article about the installation and before and after of performance and put it on rc-tnt.com later this week :)

@elduderinolebowski5411 2 года назад

Holy Crap that thing is too damn high! Looks just like my Bronco on 40s did before we took it back to sanity on 36s. Does the cab need its own oxygen supply and do they need to file a flight plan anytime they go out crawling? All kidding aside, thanks for showing this. I was wondering what the long arm kit would really do in the real world, and you have answered the question. That's a lot of dosh for the kit, and in my case I don't think it would be the right path to take for what I want to do, but... for those looking for that extra clearance, I think you've proven this is the answer. It looks great, the parts seem to be top notch, and it seems to just work, exactly like it's supposed to. I'm curious to know how it performs on the stock tires and wheels with that kit. I suspect that's what a lot of people would do with it if they got it (I would), so knowing what that does might be important.

@RCTNT 2 года назад

Haha, nice one. Yes, it is crazy high. Great idea on testing the stock wheels and tires with this. That's a video unto itself. I'll do a comparison, definitely. Thanks for the idea!

@YoShImUrA53 2 года назад

First!! Haha, hadn't done it yet on your channel, I think. Not that I cared but I just bumped into your video, right as it was published. I am not a TRX4 fan. Neither of raising the CoG, yet I still enjoyed the video for always learning new stuff. Like that line you took on P3. I would've given up after the last tumble. Great driving. Proves how much I still have to learn. Thanks for the lesson!✌🏻

@RCTNT 2 года назад

Heh thanks! I'm also not into this kind of thing but I'm glad I did it!

@YoShImUrA53 2 года назад

@@RCTNT I always appreciate the diversity. We can all learn from staying out of our comfort zone

@grandwaha Год назад

I had to adjust my panhard bar to get my lift kit working properly on my blazer. I'm still running stock size tires but with 20 weight oil and a lot of sag in the suspension and I took the bump stops out of the shocks. I have extreme Flex off-road been running it for two years like that I love this TRX platform

@RCTNT Год назад

Ah very nice. The platform is wonderfully stable and grants a wide range of configuration options. Traxxas really hit it out of the park with the TRX4.

@RecklesskrawlerRCdrewlandau 10 месяцев назад

Yea they did and I run the lift kit in both my trx4s I took out the bump stops adjusted pan hard just alil not much softer springs from the 90 mm shocks with the collar just snug to extend shock all the way out and I use what made the biggest difference with the softer springs is added hair ties to the axles hooked them to the stock wiring hangers that are in all four corners of the chasis if you want pics I don’t mind stock mostly I even use the battery tray that’s up front with a strap deleted everything it didn’t need and it runs lines at the crawler meet every Sunday that lcg rig that are worth 1500 or more can’t do and people give up and I just run lines on the granite dells we have here in Prescott Arizona it’s amazing we love it love your channel definitely one of my top rc channels thanks for everything you do buddy !!!!!

@RCTNT 10 месяцев назад

Thanks for the info, I've seen a few rigs running limiters like that now. Glad you're having a great time with yours and thanks for the support :)

@FarmerFpv Год назад

I would put the longer rod ends as it keeps it from flipping back on the steep climb. The wheelbase still looks stock as the lift sucks in the tires toward the center. I used the white softer springs and 15wt shock oil with the stock servo mount. You have to put the original front shorter upper link back on so it doesn't bind or bump steer. I also removed the plastic shock limiters. Its now almost a belly dragged with 2.2 tires. Crawls like a mountain goat on crack. lol Excellent crawling cause you have. Also great driving skills.

@RCTNT Год назад

Nice info and well described. I may have to look into my tuning as your setup sounds pretty good! Cheers

@666impreza666 2 года назад

I was going to trash my hustlers. After this video I will give them another try with softer foam (stock dual stage is too hard) and cutting the sides. I love that bronco…

@RCTNT 2 года назад

It took a while to groove the lugs but it made a big difference to their performance! Haven't tried the 1.9s yet.

@allusersaretaken 6 месяцев назад

Hey, thanks for the vid! Looking into lifted trx4s cause I'm thinking about getting the high trail. What are you thoughts about widening the wheel base on a lifted rig for helping side tipping?

@RCTNT 6 месяцев назад

I often don't like a widened track on crawlers because it increases the likelihood of diffs being hung up on rocks. That said, with 2.2s under portals and the long arm lift kit, there may not actually be a better vehicle configuration than this for widening the track a bit! I think you should go for it, maybe even up to like 8 or 10mm on each side. It'll increase stability and if you're cool with how it looks, I think you'll be happy with how it drives.

@allusersaretaken 6 месяцев назад

@@RCTNT thanks for the input! I appreciate the help and thoughts, especially from someone experienced:)

@RCTNT 6 месяцев назад

I only got the experience from thinking, "what would happen if I did this..." and then doing it! Go for it, you'll learn stuff. And you can always undo it! 👍

@SlimeInnaTaco 2 года назад

Looks pretty good, have you tried softer springs?

@RCTNT 2 года назад

Yeah, I like it :) Haven't tried softer springs in this case, though I've experimented with similarly specced rigs in the past with longer travel, droop, etc etc.

@simontromans2748 2 года назад

Anti foams next? And maybe a setting to pull chassis down on the fly when lower C of G needed.

@RCTNT 2 года назад

such a simple concept but not that easy to pull off! You can experiment with a droop setup (I may make a video on that), or with cable-articulated damping, but if you raise the truck, the best antidote to the center of gravity issue is practice. You need to take different lines with the higher vehicle, but with practice, driver skill will trump most technology-based upgrades in a comparison. Antifoams: I must get around to finishing the ones I designed a couple of years back. Been meaning to do it, especially now folks are talking about the 3Bros ones. Watch this space!

@Braindog 2 года назад

Never Thought i would like PROBLEMS ;) Informative good Video as always^^. Im Thinking about to add Traxx or Lift Kit to my Sport for Winter?! What do u think would be better?

@RCTNT 2 года назад

Lift kit and bigger wheels will be more versatile than the Traxx, but the Traxx will be best for sand and snow - but not much else! Personally, it'd be lift kit and bigger tires all the way. The Traxx are a cool and interesting novelty but very narrow in their benefit to the rig. Thanks for the positive comment, too :)

@Braindog 2 года назад

@@RCTNT Thank you.

@xsixinfantryx 11 месяцев назад

I just put the lift on mine w/ 1.9" Pro-Line Interco Boggers. Also have some extra unsprung weight. I used the recommended spring settings on the shocks, but the body roll is best way too much, too easy. Even rubs the body (K5 Blazer) really bad. Did you tighten your springs more than what it suggests in the manual for the lift?

@RCTNT 11 месяцев назад

I did add some pre-load to the springs, in the rear in particular. That will help lift the body up a bit. Also, the Boggers are 5.4" from memory. The 2.2 Canyon Trails are 5.3", which is similar - but they don't have the same epic lugs the Boggers have. I think you've got the right idea: add some pre-load and test, then repeat until you're happy. Hopefully that works for you!

@toddbertram6556 2 года назад

If you lift it, id advise a bump in track width, the trx line runs narrow anyway. Help that COG a little bit.

@RCTNT 2 года назад

Thanks. Not a bad idea :)

@xsixinfantryx 11 месяцев назад

I added 20mm (10mm each side) to my width after lifting. I had to anyway with the brass weights. Pro-Line wheels didn't have the clearance behind them.

@RCTNT 11 месяцев назад

Ah, that might explain your clearance issue. You can fit more shallow offset hubs or wheels, depending on what you're running. But it's all gotta fit together, doesn't it! Hope you get it worked out!

@Andy_Yates 2 года назад

Of course I was thinking the Bronco would topple over on most of these but it really stuck well! The weight down low seemed to balance out some of the height and heft of the big body. I'm in the position now of wondering if I want to try the optional more overdrive in the front. For the crawler nerds in us, it might be cool to have a video on more front weight vs more overdrive vs different tires / traction. I watched your Gladiator video about adding front to help with its length and balance. Do you think the optional overdrive in the Sendero HD would adversely affect the trail-ability? Still being new to this I don't know when drivetrain strain starts to hurt the motor or parts. I should probably just keep practicing before changing more things 😇😂

@RCTNT 2 года назад

Hi Andy, thanks for the thoughtful comment. Overdrive does add a little strain to the drivetrain on the trails (and on the rocks, to be clear - moreso, even), but the vehicles are light enough that things will skid and move rather than anything breaking except in extreme traction (which will be on the rock rather than on the trail, if it happens). I can give you my 2c right now on weight vs overdrive vs tires: better rubber every time, first. Then, overdrive if you're doing tight stuff or a little extra weight for steep ascents. Generally speaking, overdrive is helpful in many problems, as is weight. I'd do tires then o/d then weight, though o/d is often impractical unless there's a transmission or diff gear option for the vehicle. Do o/d if you can, but tires are the big one. And driver skill trumps all of them, so get out there :D

@Andy_Yates 2 года назад

@@RCTNT That's awesome, I really appreciate your advice and time. I bought some good size rocks at the gravel yard when I was buying some actual gravel. When I'm done spreading the gravel I can place the bigger rocks and it'll be protected from the rain 🙌. The big rocks in my yard now are covered in wet moss thanks to the Pacific Northwest here in Washington state. In the meantime, the new rocks are living in the garage and I can practice in the cold haha. I'll try the stock Grabbers and see if they do any better on these dusty rocks. The TSL's were deforming and slipping so I was thinking maybe traction

@RCTNT 2 года назад

@@Andy_Yates gotcha. More rocks more better! Very good! The grabbers are similar to the Proline sswampers in capability, in my experience here at least. They were both in the 3 part tire test. (though I can't recall if you have the Proline TSL or some other set, sorry). In any case, test and see, that's the best way to go. It's effort, but it's a hobby, after all! All the best with your rock garden, that's fun stuff!

@Andy_Yates 2 года назад

@@RCTNT Yep I bought the TSL SX XL 4.75 with G8 compound after they did so well in your wet test :). They actually did great in my wet yard with mossy rocks. I also have a set of RC4WD KM2 (4.56") because I hope to one day make the Sendero look like my 1:1 Toyota on KM2's 😁. Went a little tire crazy 😂. Cheers, I'm looking forward to playing more on the rocks. Congrats on 1k subs too! Your great content and hard work is showing 👍🍻

@RCTNT 2 года назад

@@Andy_Yates ah, very good! Well, enjoy! (that reminds me, I have more tires here to test now. Must get to that!) And thank you. Exciting to hit that milestone, yeah!

@Wild_Buggy Год назад

👍👍👍

@daig1984 Год назад

Hi Craig, know of any 1.9 proline tyres that won’t rub standard 79 bronco? My foams are shot in canyon trails 😢 just ordered bead locks so want something new. I was gonna try the sweeps trilug but there 53mm wide 😅

@RCTNT Год назад

BFG Goodrich Krawlers and TSL Super Swamper XL both fit fine, from memory. It's been a while - I put the long arm lift kit under mine some time back - but I did run both those and pretty sure there was no scrubbing. If you want to make completely sure, buy tires that are 4.65" outer diameter or smaller. As far as width goes, I simply can't recall, I'm sorry. Make sure you keep those canyon trails. Nothing stopping you putting in fresh foams at some point!

@daig1984 Год назад

@@RCTNT mate your extremely helpful! But I already ordered the sweep trilug 🤣🙄I’ll let you know how I get on. Gonna watch your short course truck video now before bed 🛌 thanks again for your help bud 👍🏻👍🏻👍🏻

@RCTNT Год назад

Hey no worries! (I haven't actually heard of sweep trilug before, I guess I'd better look into it for my comparison series coming this year). Cheers

@RCTNT Год назад

And now I have a set of Sweep Trilug on the way, which I'll include in my comparison series. Thanks for letting me know and it!

@nj2033 2 года назад

Take the spacers out the shocks, get white rated soft springs, use 15wt oil and run 1.9 tyres... You'll have an awesome droop setup for crawling. Probably use the original servo mount too to stop it fouling.

@RCTNT 2 года назад

Thanks N J, that sounds like an interesting configuration :)

@LegendsPizzaCo 2 месяца назад

Thank you I was wondering what the best weight is for the long arm kit. Everyone has such different opinions. Some say heavier weight is better. Some use 80wt for crawling. Inuse 90wt for my Kraton 4s it seems too heavy for a crawler but what do I know

@RCTNT 2 месяца назад

It doesn't matter a great deal for crawling, honestly. You're not usually trying to dampen repetitive movements that are typical of a car at speed - that's when shock oil really matters a lot more, to ensure traction on rough surfaces. For crawlers, having some oil is better than no oil, but anything from 15 to 50 will do. I use 30 usually.

@dawsonkallio3809 2 года назад

i can tell you definitely know what your talking about when your crawling

@RCTNT 2 года назад

Always more to learn! It's a fun hobby, that's for sure.

@dawsonkallio3809 2 года назад

@@RCTNT yes. i just ordered my first trx-4. it’s going to be here in the next week! so excited 😋😋

@RCTNT 2 года назад

@@dawsonkallio3809 that's awesome! I'm excited for you too :)

@dawsonkallio3809 2 года назад

@@RCTNT yup. i started my own rc youtube channel too. now when i get my crawler i can make videos like you!

@RCTNT 2 года назад

@@dawsonkallio3809 not sure if trolling... But if you are sincere (I'm pretty sure you are but I'm not great at subtext!), that's great and more power to you. I've found peace and purpose in sharing this stuff on the channel here, it's been a great experience so far. Happy crawling, friend.

@lucastyler45 2 года назад

How did u groove the tires

@RCTNT 2 года назад

A Dremel and a narrow grinding disc. Eye protection, n95 mask, gloves and patience! Did it by hand, one lug at a time, rotating the tire bit by bit until all were done. Flipped it, did the other side, then did the next 3. Took a while but results were worth it!

@jamesdoughty1522 Год назад

I think I want the long arm kit for my sport. And just use the stock shocks. Keep it low and flexible. I have 2.2s on it at stock ride hight already...

@RCTNT Год назад

Sounds like it'll work just fine in that case! You could probably just buy longer links and be done with it. GPM & others have a bunch of varying length links to choose from, if I recall. Check Asiatees out, maybe one of these sets could help: www.asiatees.com/ask?description=trx4+links&initial=1&search_location=&rc_pal=3736303730 Boom Racing also did a bunch of different lengths you could combine for diy projects, but I can't recall exactly. Have a search, you may find them!

@jamesdoughty1522 Год назад

@@RCTNT awesome, I'll check them out. Thank you

@RCTNT Год назад

@@jamesdoughty1522 it'll take a bit of tinkering probably but it beats buying the entire Traxxas LALK if you don't want the shocks. That's gotta save a bit of money, you'd think! Good luck!

@jeffparryncc1701 Год назад

Traxxas TRX-4 High Lift Edition K10 is out now 🤔

@RCTNT Год назад

Yes it is and if I was deciding between the lift kit and the new one it'd be an easy choice. New one, please! The ultimate hauler arrived in Australian stores two days ago so I've finally got one of them coming. I'll look forward to nabbing one of these in November or whenever traxxas gets around to supplying Australian hobby shops with them!

@jeffparryncc1701 Год назад

@@RCTNT The ultimate hauler, very cool :) Can't wait :) You could put the Axial SCX10 II Deadbolt on it 👀

@RCTNT Год назад

Haha sure, sure. I guess that might possibly happen!

@jeffparryncc1701 Год назад

@@RCTNT One more for you. Look up on YT - REAL Ultimate Hauler w/110 Rod Shop Tilt & Slide Roll Back Kit Full Install Instructions

@RCTNT Год назад

Tried to buy that a few weeks ago! Thinking of making my own instead, though maybe they have stock again now. Thanks for the tip

@Biturbo47 2 года назад

Suspension seems to be too strong. Mine is very soft. Front wheels are not always in contact in your test

@RCTNT 2 года назад

Good observation. You could be right! But, it was really steep ground. I think it's about right. Have tried softer and harder, I found this works best on mine. Remember though mine has a lot of extra weight under it, as this was a trail truck before I converted it. YMMV, as always! Cheers :)

@dominic9279 2 года назад

It tackled problem 5 easily

@RCTNT 2 года назад

Aye, killed it!

@maxopel7269 11 месяцев назад

Je le trouve mas beau comme cella trop haut

@RCTNT 11 месяцев назад

Oh oui, je suis d'accord. Merci

@Jadebat11 2 года назад

@RCTNT 2 года назад

Feels like you were in the middle of saying someth

@danweiss4928 2 года назад

Just enjoying your lifted bronco video and it reminded me of the video I seen. I am going to send it to you on Instagram and tell me what you think? If you get a chance.

@RCTNT 2 года назад

ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-icmTHvCVwMk.html This is the video for anyone wondering. Interesting idea, thanks Dan. I'll watch it again later and think on it before I give an opinion. Definitely respect the creative thinking! Cheers :)