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Rock Krawler Suspension coming Triangulated 4 link

Snacktime

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Great idea but not sure its worth the can of worms you open when messing with link geometry and keeping factory mounts. Need to figure out if the swing arc is going to cause rubbing with various wheel and tire combinations.
 

Pressurized

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Great idea but not sure its worth the can of worms you open when messing with link geometry and keeping factory mounts. Need to figure out if the swing arc is going to cause rubbing with various wheel and tire combinations.
They've already figured that out.... RK is excellent in the live axle world.
 

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They've already figured that out.... RK is excellent in the live axle world.
They kept six out of the eight factory suspension points. Are we getting the best geometry or a mild improvement? We need to stop going off reputation and make manufacturers prove the product. This set up lengthens the upper links changing the pinion arc from stock we should question if Rock Krawler got it right. Way to many variables for someone to actually pay to be the long term tester.
 

SubmarineNuke

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They kept six out of the eight factory suspension points. Are we getting the best geometry or a mild improvement? We need to stop going off reputation and make manufacturers prove the product. This set up lengthens the upper links changing the pinion arc from stock we should question if Rock Krawler got it right. Way to many variables for someone to actually pay to be the long term tester.
you don't like paying to be a beta tester? what is this world coming to! ;)
 

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I guess we wait for Bubba to give his view. He had some pretty articulated shots at Merus. I would probably like to see others that wouldn't be selling set ups however...
 

Pressurized

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They kept six out of the eight factory suspension points. Are we getting the best geometry or a mild improvement? We need to stop going off reputation and make manufacturers prove the product. This set up lengthens the upper links changing the pinion arc from stock we should question if Rock Krawler got it right. Way to many variables for someone to actually pay to be the long term tester.
Reputation is generated through experience and expertise. I've been working with RK products for a decade and I know what Jeremy puts in to his products and R&D. They, like Metalcloak will never be first to market with a "lift kit". The variables are why you trust someone like RK to get it right. Frankly, the geometry of any track bar (5 link) system is compromised from the get-go. But if you don't like it, you certainly don't have to buy it.
 
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popo_patty

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I really really like this idea. Im hoping that they will release some solid data from the testing done when they go live so we don’t have to find out for ourselves. I understand though with soooo many different variables they can’t foresee all the different mods people will have on their Broncos. I did chat with them briefly and they mentioned that we shouldn’t expect this to give much extra travel over stock setup.
That being said, a run down on what they tested on with what numbers they got would be nice to see!
 

Snacktime

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@Pressurized not attacking the manufacturer, just saying a brand that makes parts is not above selling untested products.

@Razorback glad they got a hardcore rig equipped. Hopefully we get some videos.

My concern is the long term wear on the Driveline. The extra lateral force on mounts. The rear lower control arm mounts are not boxed for lateral strength. This is a roll of the dice modification. Who wants to be the 50k mile tester with cracked mounts or replacing bushings?
 

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They've already figured that out.... RK is excellent in the live axle world.
Who has figured this out, all the failures I've seen have been because of lift kits?
 

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Pressurized

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Who has figured this out, all the failures I've seen have been because of lift kits?
Was the failure because of the lift though really or was it because somebody put a lift on then off roaded it like it was a full on Baja truck ie abused the holy hell out of it I mean I don’t know just a thought
 

Pressurized

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@Pressurized not attacking the manufacturer, just saying a brand that makes parts is not above selling untested products.

@Razorback glad they got a hardcore rig equipped. Hopefully we get some videos.

My concern is the long term wear on the Driveline. The extra lateral force on mounts. The rear lower control arm mounts are not boxed for lateral strength. This is a roll of the dice modification. Who wants to be the 50k mile tester with cracked mounts or replacing bushings?
If you analyze the geometry, I don't think the lateral forces are what you think they are. The load is still primarily in line with the brackets. Certainly not a roll of the dice... Off road builders have been doing triangulated rear links for decades.
 

Snacktime

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@Pressurized I spent 10 years doing 4 link design for bagged trucks. I did half ass shit to clear fuel tanks, compressors and cross members. I can straight up tell you that triangulating just the uppers links makes for some rear steer and coil binding/torn bags. When you cut corners to make it bolt on you get some draw backs.

Rock Krawler needs to prove the system. Just because it works on a jeep doesn't mean it works with ford. As far as I can tell they designed it, stuck it on their in house bronco and passed it out to a few insiders. Exodus installed the first publicly photoed one 2 weeks ago? We are looking at a very limited test base of bias people who I don't trust.

I need new rear links and want this 4 link. I don't want to be the idiot who has to weld new factory mounts on because of a janky design not working.
 

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@Snacktime I've been considering accumulating parts to move my gas tank behind the rear axle (the body lift gives me the room). Besides cutting down on dragging this over everything i was hoping to build a triangulated rear. I don't believe you'd ever get good geometry with the fuel tank not being relocated. not on the 2dr at least.
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