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Discussion Starter #1
I just saw that they have announced the 2.5" Dualsport System. I was all but sure I was going with the RK 2.5 Max Travel system, now I am wondering about AEV. Anyone running AEV care to comment? I know no one will have the new AEV 2.5 yet, but what are the expert opinions on AEV? I have read recently that the RK 2.5 Max is a very stiff ride. Come on, spend my money, I am ready. Looking for suspension on my 2012 JKU Rubicon, and it is a DD.

Thanks, my head is now really spinning with options,
Brent
 

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Do you wheel often? You're in Colorado so I'd assume you see LOTS of rocks! Just my opinion, but for the wheeling there I'd go Rock Krawler without question.
 

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Ive had the AEV premium for about a year now. I do lot's of wheeling and it is excellent!
 

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I love my AEV! Best on road ride and handling available in a Jeep and yes I use my Jeep in the rocks!

BTW I have 4 available should be in stock soon $899

 

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I run a Rock Krawler suspension and its fantastic! I pitch for them all the time on this forum. Having said that, AEV quality is totally top notch. Just off the cuff I'd say that you can't go wrong with either setup. And there are other great brands also - you know, just to complicate the dissucsion:beer:
 

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I'm running 3.5" SC and its been great.
 

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Of those 2 I would go with Rock Krawler. Since your in the springs you may want to talk to Co4Lo on this forum about a RK kit. But both are good kits.
 

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The best thing you can do is to go for a ride with someone who has the lift you are looking at installing on your rig.

Both the RK and AEV kits ride very nice! I have the AEV 3.5SC kit on my 2012and love it.

keep in mind you will need the AFE y pipe so you don;t wreck your front driveshaft. if you are going to larger tires, the ProCal works well. I had to do some fine tuing to get mine dialed in, but all is good now. I'm running the stock 410 gears with 35's and happy with the power. I don;t plan to change gears at this time.

Since the 2.5" aev kit is so new, I doubt there is anyone in the Springs area with that yet. There are quite a few of us with the 3.5 and 4.5 kits that you could check out.
 

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Nothing wrong with AEV but that comment about RK riding stiff is far from the truth. They must have some horrible shocks on it for it to ride badly.

I love the way mine rides and performs on the road and off.

Marcus
X2... I have had RK in the past and the lift rides really nice.
 

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You are kind of comparing apples and oranges. Both fruits are good. It all depends in your taste.

The AEV system comes with no front axle corrections at all. Nothing to slide the axle back to its proper place (i.e track bar or relocation bracket) and nothing to adjust the caster. You will be a little light on caster at 2.5" of lift up front. But, like you said, they have not been out that long so who knows how much lift height you are really going to get. AEV usually runs a little tall as do we.

In the rear, they offer no rear pinion angle correction.

The Max. Travel System is much different. We correct for all these items as well as include new stainless steel brake lines for improve firmness in braking and to account for more axle travel.

The lower control arms we provide have a high clearance feature built in them and we also provide you with sway bar disconnects.

With us, bump stops are options as well as shocks.

Like we said, it is apples and oranges. Good Luck with making your decision. We are 100% confident, that you will like the ride quality, handling and off-road performance of that system...

RK
 

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The shocks will determine how the vehicle will ride. Get crappy shocks like ProComp and it will ride harsh. Get good shocks like Bilstein and it will ride better then stock. I run the RK 2.5" kit with Bilstein 5100 shocks and it rides a LOT better then stock. I'm in Ohio and deal with potholes, ruts, sunken sewer drains and train tracks every day. The Bilstein absorb the bumps much better then the stock shocks ever could. And they keep the vehicle planted when making a turn or changing lanes.
 

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The shocks will determine how the vehicle will ride. Get crappy shocks like ProComp and it will ride harsh. Get good shocks like Bilstein and it will ride better then stock. I run the RK 2.5" kit with Bilstein 5100 shocks and it rides a LOT better then stock. I'm in Ohio and deal with potholes, ruts, sunken sewer drains and train tracks every day. The Bilstein absorb the bumps much better then the stock shocks ever could. And they keep the vehicle planted when making a turn or changing lanes.
I would disagree with you slightly on the 'bolded' statement above ... The shocks alone do not determine how the vehicle will ride. Part of the ride is also determined by spring rate f&r ... whether they're progressive, dual rate, etc and how they match up with your vehicles weight.

I've never run RK, but have heard nothing but great things. If I was still in CO and in the rocks like I used to be, I'd probably be running their suspension based on nothing more than what I've read. But, I'm on the east coast now and run AEV's 3.5". I love it; It's solid - excellent on-road and does well enough off-road (despite having a little more clearance issues) for the kind of wheeling I now do.

Back to my original point, though ... I would never run a 'generic' 5100 with AEV's springs. The AEV 5100s are valved/dampened to their spring rates, etc.

That's a tough call...

T
 

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I can't comment on the AEV, never seen one or driven in one. I do have the RK 2.5 Max Travel with remote reservoir RRD's and I can tell you that the ride quality is a HUGE improvement over stock.The springs made a huge difference, and adding the RRD's made another large improvement. I don't see rocks, but my 07 JKU is my daily driver and I ride fast on a lot of washed out, rutted fire trails.

And its not just me, my wife noticed the improvement immediately. Also, when I sent my RRD's back to add the reservoirs I didn't tell her I had switched the stock shocks back in. She went to take the Jeep to the store and stopped less than 1/2 a mile down the road to call and tell me something was wrong with the Jeep. She was out checking the tires to see what was going on...

I think the RK system will do everything you want, and you won't be disappointed in the RRD's.
 

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Are there really 5100's valved at different rates? How many different rates are there? This has a eyebrow raised.... I'm in the market for new springs as well.
 

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Discussion Starter #17
Hey, I appreciate all the input. I am going RK! After much research, and a whole bunch of reading, the RK kit is by far the most complete. The last think I want to do is add a kit, and then find out I still need more to maybe make it right. For what I am going to be doing, I probably don't need the RK, but what the hell, A bit of overkill seems to be a good thing. My goal is to build what I like to call an Adventure Vehicle. I will likely stay off the hardcore trails of Colorado. To run a trail just to say I did it is not wha I am after. I am after trails that are maybe of medium difficulty with something at the end, like a lake, an old mine, a view, etc. You won't see me running Blanca Peak, Holy Cross, etc!!!!! But I will be out there and on RK stuff.

Thanks Again,
Brent
 

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I would disagree with you slightly on the 'bolded' statement above ... The shocks alone do not determine how the vehicle will ride. Part of the ride is also determined by spring rate f&r ... whether they're progressive, dual rate, etc and how they match up with your vehicles weight.

I've never run RK, but have heard nothing but great things. If I was still in CO and in the rocks like I used to be, I'd probably be running their suspension based on nothing more than what I've read. But, I'm on the east coast now and run AEV's 3.5". I love it; It's solid - excellent on-road and does well enough off-road (despite having a little more clearance issues) for the kind of wheeling I now do.

Back to my original point, though ... I would never run a 'generic' 5100 with AEV's springs. The AEV 5100s are valved/dampened to their spring rates, etc.

That's a tough call...

T
You are absolutely right. Shocks alone do not determine ride quality.

For ride quality, the major factors are;

- spring tuning
- shock tuning
- compliance of suspension components to provide vibration isolation

For handling

- all of the above count
- but suspension geometry becomes a major factor

Then, when you add in off-road ability you need to account for even more factors;

Ultimately it is a big compromise and getting it right takes alot of time and tuning...

Both companies make good products. From and outsider looking in, both companies appear to be after two completely different market segments.

RK
 

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Naturally, your best choice depends on the wheeling you will do....as mentioned, in CO you're up against a lot of unforgiving rock and some pretty technical stuff.

I wheeled all over CO with my RK setup for a couple of years and beat on that shit like it owed me money...no problems. Ever. My money is going to them for my '12 build as well.
 

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Naturally, your best choice depends on the wheeling you will do....as mentioned, in CO you're up against a lot of unforgiving rock and some pretty technical stuff.

I wheeled all over CO with my RK setup for a couple of years and beat on that shit like it owed me money...no problems. Ever. My money is going to them for my '12 build as well.
I'd love to drive a RK-equipped rig. Contrary to my prior builds, my current rig is getting a lot of use as a DD - so, AEV (which seems to be marketed as more of an 'overlander' kit) was my choice. Honestly, the selling point for me was the AEV track day video on Vimeo ... And that my wife would occasionally be driving it with my 4 kids. Marketing koolaid at its best, right? :thefinger: But, you sacrifice clearance with those front dropped radius arms. I'm 'okay' with that given the 'tamer' trails I typically now run.

IMHO, the RK setup 'seems' to be a better, true dual-use setup where AEV 'seems' to be more of a road setup with respectable, but not the best, off-road performance.

I think RK is right ... They seem to be after two different markets.

Are there really 5100's valved at different rates? How many different rates are there? This has a eyebrow raised.... I'm in the market for new springs as well.
Yes, Bilstein custom valves AEV's 5100s. AFAIK, the shocks are different on the 2-dr and 4-dr kits (since the spring rates are different on each). I don't know about differences between the different lift kit heights, though.


T
 
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