JKU 1 Ton Swap 4 link rear, 3 link front - JKowners.com : Jeep Wrangler JK Forum
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post #1 of 32 Old 01-08-2017, 08:01 PM Thread Starter
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JKU 1 Ton Swap 4 link rear, 3 link front

So I have been gathering parts and working on my axles for the last 6 months. On Saturday I decided it was time to pull the trigger and start the conversion.

Specs:
Front Axle: 2008 Superduty Axle with Artec Truss, ARB, 5.38 gears, warn hubs, Fusion 4x4 tierod rod and Weaver passenger highsteer arm.
Rear Axle: 2008 Sterling 10.5 with artec truss, ARB, 5.38 gears, 60 tooth tone rings.

Suspension:
I decided to run a 4 link rear with upper triangulated and lower mostly parallel. I ordered an Artec kit for parts. I also installed a genright rear mounted tank to solve gas tank issues. What a pain that was although it was only 6hrs of pain so not bad.
Front suspension is gonna be the artec 3 link front kit.
I am running coils for now as I tune and dial my suspension once dialed in I will run 2.5 King coilovers. Haven't decided on length, waiting to see how much room I end up with.
Clean Up

Checking out front

Rear mocked in.


I am still running the numbers on my suspension but the rear should be on its own weight tomorrow. Then I'll start on the front.

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post #2 of 32 Old 01-08-2017, 08:24 PM Thread Starter
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Sent from my SM-G920V using Tapatalk[/quote]
So some more on the build. I looked at a dual triangulated setup for the rear but I wasn't getting enough separation on the upper frame links to make it worth the trouble. Also the artec kit for the front was similar to what I was thinking of putting together so I figured to keep it easy and roll with theirs.
The Jeep was bone stock when I started and will end up on the tons and 40" tires. I will also be ordering an atlas for it as well.


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Last edited by Mattb19; 01-08-2017 at 08:26 PM.
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post #3 of 32 Old 01-08-2017, 08:30 PM
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Kickass. I am gearing up to 4 link my 14 bolt. I went with an RCI in the backseat.

Keep the updates coming!

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post #4 of 32 Old 01-08-2017, 09:32 PM
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Awesome! This is exactly what I'm doing with my rig. Just started ordering up the parts for the 4 link and 3 link. For my rear 4 link i'm doing a double triangulated rear by adding a new cross member similar to what Genright does.

I also went with the genright rear tank and i completely agree. Pain in the ass. It's still not sitting properly either. The straps are as tight as they can go and there is still movement with the tank and how it sits in the skid plate.

Definitely looking forward to watching your build and looking at what i've gotten my self into.

2013 JKUR with some stuff.
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post #5 of 32 Old 01-09-2017, 12:39 AM
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Quote:
Originally Posted by Mattb19 View Post
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So some more on the build. I looked at a dual triangulated setup for the rear but I wasn't getting enough separation on the upper frame links to make it worth the trouble. Also the artec kit for the front was similar to what I was thinking of putting together so I figured to keep it easy and roll with theirs.
The Jeep was bone stock when I started and will end up on the tons and 40" tires. I will also be ordering an atlas for it as well.


Sent from my SM-G920V using Tapatalk[/QUOTE]

How much separation were you getting on the chassis side? The only downside to less separation is that there is more stress on the link mounts. All the popular premade link mounts are more than strong enough to handle it.
That holds true for the axle side too.

Kevin
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post #6 of 32 Old 01-09-2017, 06:14 AM Thread Starter
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Quote:
Originally Posted by Recharge View Post
Awesome! This is exactly what I'm doing with my rig. Just started ordering up the parts for the 4 link and 3 link. For my rear 4 link i'm doing a double triangulated rear by adding a new cross member similar to what Genright does.

I also went with the genright rear tank and i completely agree. Pain in the ass. It's still not sitting properly either. The straps are as tight as they can go and there is still movement with the tank and how it sits in the skid plate.

Definitely looking forward to watching your build and looking at what i've gotten my self into.
My tank is definitely tightly mounted. That is interesting that your tank is lose. Does it not have the foam that it should have as separation from the skid plate?

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post #7 of 32 Old 01-09-2017, 06:16 AM Thread Starter
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Originally Posted by gt1guy View Post
So some more on the build. I looked at a dual triangulated setup for the rear but I wasn't getting enough separation on the upper frame links to make it worth the trouble. Also the artec kit for the front was similar to what I was thinking of putting together so I figured to keep it easy and roll with theirs.
The Jeep was bone stock when I started and will end up on the tons and 40" tires. I will also be ordering an atlas for it as well.


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How much separation were you getting on the chassis side? The only downside to less separation is that there is more stress on the link mounts. All the popular premade link mounts are more than strong enough to handle it.
That holds true for the axle side too.[/QUOTE]
I have a range of separation which is about 7 inches as at max. My link mounts are pretty burly. I have ran my numbers in the 4 link calculator and they are not too bad. The rear of the vehicle has some things that create interference but overall it looks like it will work. I have to cycle the suspension today to verify clearance.

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post #8 of 32 Old 01-09-2017, 08:23 AM
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Todays mounts are strong but unfortunately the frame is thin so make sure if you are doing tight mounts that you plate the frame so the mounts don't tear it.

Some build info here:
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post #9 of 32 Old 01-09-2017, 12:28 PM
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Quote:
Originally Posted by Mattb19 View Post
I have a range of separation which is about 7 inches as at max. My link mounts are pretty burly. I have ran my numbers in the 4 link calculator and they are not too bad. The rear of the vehicle has some things that create interference but overall it looks like it will work. I have to cycle the suspension today to verify clearance.

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7 inches is great. You could actually have a tough time fitting the axle side high enough to get good anti-squat.

Like Dirtman said, doublers on the frame before the mounts to spread the loads.

Kevin
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post #10 of 32 Old 01-09-2017, 04:24 PM Thread Starter
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Quote:
Originally Posted by Mattb19 View Post
How much separation were you getting on the chassis side? The only downside to less separation is that there is more stress on the link mounts. All the popular premade link mounts are more than strong enough to handle it.
That holds true for the axle side too.
I have a range of separation which is about 7 inches as at max. My link mounts are pretty burly. I have ran my numbers in the 4 link calculator and they are not too bad. The rear of the vehicle has some things that create interference but overall it looks like it will work. I have to cycle the suspension today to verify clearance.

Sent from my SM-G920V using Tapatalk[/QUOTE]
The links are just shy of 6" of separation which works for my rig. It would be tough to get further without the bottom link going way below the frame. There are also a couple of cross members under the jeep that get in the way. I cut one out and modified the other.

I got the rear sitting on its own weight today. I still need to get the springs into the axle mount a little more. They are not sitting all the way. I need them to drop another inch.







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post #11 of 32 Old 01-09-2017, 05:14 PM
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Damn. You ain't messing around.

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post #12 of 32 Old 01-09-2017, 08:02 PM
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Looking good, are you gonna put "ramps" on those control arm mounts? Looks like they will be catching a lot of rocks like that.

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post #13 of 32 Old 01-09-2017, 08:10 PM Thread Starter
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Looking good, are you gonna put "ramps" on those control arm mounts? Looks like they will be catching a lot of rocks like that.
That will be part of the skidplate.

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post #14 of 32 Old 01-09-2017, 08:20 PM
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Originally Posted by Mattb19 View Post
That will be part of the skidplate.

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Prefect!!


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post #15 of 32 Old 01-10-2017, 05:41 PM Thread Starter
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Prefect!!


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Got the front axle under the rig today. Still need to center the axle but mostly done up front. Might need a new frame side track bar bracket but will see tomorrow.



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post #16 of 32 Old 01-10-2017, 06:24 PM
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Maybe it's just the pics, but those welds on the frame link mounts don't look like they have penetrated too well. Otherwise nice build, hope to see it complete.

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post #17 of 32 Old 01-10-2017, 06:28 PM Thread Starter
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Maybe it's just the pics, but those welds on the frame link mounts don't look like they have penetrated too well. Otherwise nice build, hope to see it complete.
I think it's a shitty combo of paint and angle. They are a lot flatter in person. I went back and looked at the pic and agree with how it looks in the pic. Lol.

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post #18 of 32 Old 01-10-2017, 07:52 PM
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Originally Posted by Mattb19 View Post
Got the front axle under the rig today. Still need to center the axle but mostly done up front. Might need a new frame side track bar bracket but will see tomorrow.

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Had to move the frame side trackbar mount forward when I installed my SD60. The pumpkin was way too close and would have hit on uptravel. VKSFAB has a great offset mount that made it easy. Also had to use a Procomp trackbar as it is bent up, not bent out like the Synergy I had, to make it all fit. Plan to change to something else but haven't gotten around to it.
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post #19 of 32 Old 01-10-2017, 08:22 PM Thread Starter
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Had to move the frame side trackbar mount forward when I installed my SD60. The pumpkin was way too close and would have hit on uptravel. VKSFAB has a great offset mount that made it easy. Also had to use a Procomp trackbar as it is bent up, not bent out like the Synergy I had, to make it all fit. Plan to change to something else but haven't gotten around to it.
Thanks for the info. Looks like VKSFAB doesn't have them anymore. I have seen a few that look like they will work.

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post #20 of 32 Old 01-11-2017, 05:00 PM
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Thanks for the info. Looks like VKSFAB doesn't have them anymore.
Call them, most of their builder stuff isn't on the website. They sell tons of brackets and do one ton swaps in house.

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post #21 of 32 Old 01-11-2017, 08:38 PM Thread Starter
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Call them, most of their builder stuff isn't on the website. They sell tons of brackets and do one ton swaps in house.
Thanks. Do you have a pic of your bracket setup?

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post #22 of 32 Old 01-12-2017, 02:48 PM
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Thanks. Do you have a pic of your bracket setup?

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I'm still gathering parts for my build next month. But here is Vicks build thread, it's got a lot of the brackets they sell:

Operation 8lug - VKS Fab

The offset trackbar mount is in there somewhere but I'm on mobile so you'll have to look for it yourself. Probably around page 8+

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post #23 of 32 Old 01-12-2017, 06:25 PM
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Thanks. Do you have a pic of your bracket setup?

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I'm on the road for work so best I can do for now but shows the vks offset trackbar bracket Vick got to us (just to note, tierod has been changed out and flipped up since these pics)



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post #24 of 32 Old 01-13-2017, 12:07 PM
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We have one of the VKS offset mounts in stock if you need one. $50 plus shipping. Works really well. That is what we include with our Super Duty axles (as bigprince noted).


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post #25 of 32 Old 02-17-2017, 08:37 PM
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I'm on the road for work so best I can do for now but shows the vks offset trackbar bracket Vick got to us (just to note, tierod has been changed out and flipped up since these pics)



Nice how do you like that double throw down I planned on doing that but still unsure. Do you daily drive it? Could you have flipped the drag link and put it on top or no?
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