FIXED! Redcat Kaiju EXT | Control Arm & Turnbuckle Breakage Fixed
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- เผยแพร่เมื่อ 11 ก.พ. 2025
- This has been the #1 complaint with this Kaiju EXT since it came out - the rear turnbuckles on the upper control arms break - rather easily.
I have been doing some pondering and testing - and here is what I came up with!
1) Provide a shock limiter.
I used some 7/16 fuel line: amzn.to/3lm8wtE
You could also use the rubber stoppers from this kit: amzn.to/3D3b7Pe
Or the cheapest yet - the stock bump stops from an Axial Ryft: amzn.to/3Dbvv0F
2) Use the front control arms (amzn.to/3oaSaGh) in place of the rear. Redcat has since stated that it is only the rear control arms that are the issue. Well - the fronts are the same design, just a little shorter. Put those back there and re-adjust your camber!
After I do these mods - I take the truck out and BEAT on it to see if the control arm breaks!
Get you a Kaiju directly from Redcat, here: www.redcatraci...
The Socokin 4s lipo battery I used: amzn.to/3G0Qs0e
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Always use rubbers when going hard, basic safety! I mean with the Kaiju, get your mind out of the gutter.
...words to live by!
Great video I've been looking for a fix before I even run mine
Get out there and run it! Just get those front turnbuckles or the Lunsford ones!
@@RoadsideRC Yup I ordered some!
Excellent fix. I was gonna put tubing on inside because of so much travel. Makes sense long heavier chassis weight distribution and landing force with stress during compression. Tubing inside and out side might be the ticket. Real cars have what you would call a bump stop, large piece of rubber to limit suspension compression. Great job.
Yes! I think tubing on the inside is also a smart choice. I didn't want to disassemble the shocks unless I had to though!
now I had every confidence you would fix it and your rugged test proves your repair work
*👍Au👍full view and a thumbs up too*
Thanks Billy!
Great video Troy brother! Now we know what caused it ( the wrong metal being used) and how to fix it! 💯🤜🤛🔥🔥⚡⚡🙏
Yes! I think we can safely bash these things!
It looks like you have eradicated the demons. This truck is clear!🔥💯🤩🙏🏼 Great job, and thanks for sharing Brother! Good reverse engineering 🛠🪛🔧
Thank you!
I am really happy to get this issue behind us, as I think this truck has great potential!
Good Fix on the Kaiju even though Redcat has a good CS dept. I feel they need a bit more Control before releasing some of these product's 😉👉 Such as a Group of Hobbiest to really test them ✌🤠👍HFLPRCing 👍😎👍 AOAH 🌟 RCF4L 🙏 Stay Safe and Play Healthy Brother Troy
Thanks Larry!
I am confident this is on the road to fixed!
Good catch. Maybe just the front and right metal Is the fix but I always believe fuel line is nice to help the impact on any shock. Good one man
It has worked well for me so far!
Hpi savage uses rubber stop on there shocks
Like your channel 👍
Good call-out - those would probably fit great!
nice fix and information,awesome bashing
Thanks!
So the truck doesn't have droop screws 🤔The fuel tubing/bump stops does the same thing. Great solution 👍
Thanks! Yes, no droop screws or stops.
There were a bunch of aluminum upgrades, (from redcat), for the V1. Looks like they will interchange.
Yes - I agree. So far it looks like most will work!
I think I want one now.
It is a solid truck - just needs a few tweaks!
great video, in the video you said you ordered some titanium turnbuckels for the ext. can you provide part# please?
I used these: amzn.to/3Tf1zKt
@@RoadsideRC those will screw into the original arms?
@jacob solis No they are the wrong size for the factory rear upper a-arms. 4 x 50mm is NOT the same size the the factory upper a-arms come with, they are too small and dont tread into the upper rear a-arms. I bought them and had to return them. Call Redcat and ask what size they are before buying aftermarket turnbuckles.
Woww.. Great ideas !!!!!!!!!
Thanks!
I put Axial RBX10 orange bumpstops on mine. P/N AX1233021. Got two packs & they are 10mm long & very squishy. I put 2 on back making 20mm long & cut one in half & put one plus the cut one making 15mm on the front. It doesn't bottom out on the chassis now on landings & the dogbones don't grind on the diff cups. Much better! The rear was a little bouncey so I ran the rear shock adjusters down about 2 turns & it helped.
Also the front had rubber bumpstops from factory kinda like the fuel line. They are 9mm long. Going to the Axial ones at 15mm was the trick! Better steering response.
Awesome idea! Those parts should be great!
What if you were to put the arm at the top hole
That might change the angle of the forces a little. I am not sure it is enough of a change to fix it - but worth a try!
@@RoadsideRC I know when I did that on the xmaxx it lowered it in the rear but the wheels rub on the body when I have body roll and a lil ass slap on landings
Where did you order the titanium turnbuckle from ? I have the original Kaiju and it has the same setup and never had that problem, but maybe because I don't run it as hard
Straight from Amazon: amzn.to/3Drrh55
Subscribed
Thanks!
I think your phone is ringing. It's Redcat calling to thank you. (at least it should be! ).
Ha! Nope - so far only people who are very concerned about my car's extended warranty... :)
Nice fix hope it holds up for you, i Know a couple of guys don't want to buy theses cars because of the rear arms breaking maybe this video will change their minds
Honestly - it has been a super solid car except for the rear upper control arm...
Even then, a pack of two of the control arms is like $8 from my LHS.
Throw some Lunsford turnbuckles at it, or swap for the $8 front control arms and it is fixed.
I'm really surprised how people are letting such a small issue deter them.
@@RoadsideRC I agree guys getting mad over a cheap part and easy fix..But will spend hundreds on hop ups on other rigs lol
Hi roadside RC, do you know if redcat RC you fixed the issue in newer kaiju EXT’s. And in order to get the fuel line on the shock, did you take the shock apart or did you cut the fuel line and wrap it around?
Yes - Redcat issued a whole new part for the upper control arms on the EXT. I bet it is the only part you can buy now.
For the fuel line, I unscrewed the shock rod end, slid the tubing on, then put the rod end back on.
Hope that helps!
Which is better to use? 10mm or 15mm tube for the shocks? Also, is it hard to set the mesh on the kaiju v2? M thinking of get 1.
Mesh isn't hard, and I would go with the 15mm
just put a stronger smaller spring in the Inside of the shock strengthen the tensión and problem solved
That would work also!
@@RoadsideRC whatever is clever
DO THEY HAVE ALUMINIUM ONES
I'm sure - but the titanium is much stronger.