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Discussion Starter #1
I'm wondering what the most elegant solution to the rear suspension on the new X's is.
I'm looking for no more than 1.5" of lift (staying with 32's and don't relish chasing down driveline vibes on another vehicle ever again). I need a bit more load carrying cap but more importantly need it to stop bottoming out. I've looked at the upgraded bump stops ala Timbren but would prefer an answer that would address my load carrying with steel vice rubber.
Custom springs are expensive but probably they best way to get an increased rate without adding a lot of lift. Most add a leaf applications add too much lift. Shackles are an option but I'm not sure how much they'll help with load carrying. Any thoughts? Thanks!
 

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Your options are limited.
The use of AAL or the new 3x AAL from 4x4parts.com is one option. Single AAL add 1.5" of rear lift.

New Alcan springs will probably run ~$400 plus shipping.

Shackles help a little with the bottoming out, but not load capacity.
 

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Good question mars, as I was pondering it myself.

If the high price tag isn't an issue, would it be agreed that a custom spring pack (Alcan or other), is probably the best solution? This is the way I am leaning, as I like being able to specify the amount of lift and load capacity. Those that have done the Alcan upgrade seem to be pleased.

'Tis a shame Nissan hasn't corrected their oversight in the rear suspension. I wonder if the '07s will have the same issue?
 

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Well you seem to already know what you want. If you dont want timbrens (i would get them), you dont want vibration (so no AAL), and you dont want to fork over the money for alcan springs. You obviously want a shackle lift. Daystar are the best because they can be greased.

Here is what i did to my rig (it might help you decide how you want to fix yours)
My rig has timbrens, which was the first upgrade to the rear suspension. Then i got the AC shackles (1.5"), and now i just ordered some alcan springs (the stock springs are basically flat from the load they carry)
 

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X2 with S_e_X-Terra

If you look carefully you will see that the Timbren is not only a "Rubber" solution that don't compare with "Steel".
The Timbren stuff was developed for industral use - designed to handle extra load without sacrifying the original suspension ride.

I was involved with a "Landscaping/snow removal" company. All the units (±12) of the fleet of pick-up and small size trucks were equiped with Timbren. You keep the smooth ride until you load it.

Just my 2¢
 

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Buy a stupid 2.5" leaf, about a 1.5' long and add it to the spring pack. You can buy it on ebay or just go to your local spring shop or junk yard. You'll need U-botls, center bolts & shims. I got the center bolt and shims from my local Rancho dealer and the U-bolts from Napa.

Thats what I did and solved the problem, proved this weekend driving to Canyonlands with 4 people in the truck and backpacking gear.
 

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Dude, by the time you buy Timbrens, extra leaves, shims, etc...you're pretty damn close to the cost of new spring packs.

Just spend the extra cash now and redo everything right, instead of having a saggy stock suspension with a bunch of stuff done to it.

Besides, it's easier to just swap the leaf packs than to take them apart, put them back together, install shims, and then install timbrens on top of it all. Just spend $430 or whatever it is and get everything done right, and get a nice, stiff rear axle with the load capacity YOU need that will not bottom out, and will give you the lift you want.

Just my 2 cents...by the time you add lift, and try to take care of bottoming out, and try to make it more stiff, you might as well have gotten a nice, new beefy Alcan pack.
 

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armandov99 said:
Just my 2 cents...by the time you add lift, and try to take care of bottoming out, and try to make it more stiff, you might as well have gotten a nice, new beefy Alcan pack.
X2. But the timbrens are nice to have. and if you were looking for lift you would still have to buy something to lift the front.
 

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I tow a small trailer and also haull my dirt bike on a hitch mounted motorcycle carrier. (about 300lbs with bike) Im looking for the cheapest way to limit the anoying bottoming problem. In stock form, I bottom out with the motorcycle on the back even on the freeway.

When I wheel it is usally desert -pre-runner style. This truck has enough ground clearance stock for me. Idealy I would like more wheel travel without a lift. I was wondering if I simply replaced the stock bump stops with shorter ones what effect this may have?

Also wondering if the Timberlens give you slightly more wheel travel over stock. It looks like the stock bump stops limit the travel well before anything elce binds up?

My last option is for the shackles. That would give me more travel and hopfully just enough room to prevent bottoming while towing?

Im also persuing Nissan to fix the problem. It is rated for a 500lb toung weight trailer. If you actually put 500lbs on it would already be on the bump stops! So they flasley advertised the vehicles capabilities.
 

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When I wheel it is usally desert -pre-runner style. This truck has enough ground clearance stock for me. Idealy I would like more wheel travel without a lift. I was wondering if I simply replaced the stock bump stops with shorter ones what effect this may have?
The stockers don't really limit travel because you can completely stuf the wheel and end up running into contact with the inner fender as well as hitting the bumpstop.
Also wondering if the Timberlens give you slightly more wheel travel over stock. It looks like the stock bump stops limit the travel well before anything elce binds up?
The timbrens are taller than the stock bumpstops, however, they compress more so they may haave a little less travel but not much... from the pics i've seen you'll still end up jamming the tires into the inner fender upon compression.
My last option is for the shackles. That would give me more travel and hopfully just enough room to prevent bottoming while towing?
Yep, the shackles will increase travel but the ideal set-up would be a shackle with an Alcan leaf pack with increased weight capacity to accomadate towing... however, for desert runnin' you you want to be conservative with how much you increase (i would say not more than 100#) as too much would have your ass end buckin' all over the place hitting any bumps at speed.
 

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I aprreciate that insight. Looks like I will be going with the shackles. Then If it does not help enough with towing, will get the new spring pack.

To ballance the front ride height, Looks like the AC coils are the way to go? Plus if I do end up getting the new leaf pack it should ballance the spring rates a little as I have read the ac's are a little stiffer.
 

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It depends on what you want to do. If you don't plan on an aftermarket front bumper I would seriously consider the Daystar lift. I like the shackles better and it will retain the factory ride up front.
 

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afritts4u said:
I aprreciate that insight. Looks like I will be going with the shackles. Then If it does not help enough with towing, will get the new spring pack.
I don't see how shackles are going to prevent bottoming out. My experience with a loaded truck is that a small bit of extra clearance was in no way going to stop it from bottoming out. In the long run, shackles alone with a load will simply cause sag and you haven't fixed anything.

Do not under appreciate what Timbrens will do for you. Yes, it's a simple rubber bump stop. But it's a precisely engineered one and, for me at least, it was almost a religeous experience the first time I drove full-up with gear after I installed the Timbrens.

I would not even consider towing anything without them.

Eventually, I also went with the Calmini AAL (2 additional long springs installed in the middle of the pack). These definitely stiffen it up and increase capacity a lot and provide a little lift. But honestly I miss the ride of the stock springs, especially off road, if you can believe it. I'm seriously considering going back to stock again and just letting the Timbrens do what they do. Good thing I got the AALs cheap off from ponyboy.
 

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I vote someone makes & stickies a chart with different lift options, and the ups/downs of each, along with all equipment that's necessary, and the final actual lift with/without shrock hardware. pain in the butt but if we all contribute it would save a helluvalotta noob questions!
 

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dragonplayboy said:
I vote someone makes & stickies a chart with different lift options, and the ups/downs of each, along with all equipment that's necessary, and the final actual lift with/without shrock hardware. pain in the butt but if we all contribute it would save a helluvalotta noob questions!
I think that is a great idea. I know it would help me and probably a lot of others that are just learning what is out there for the next gen X's. I mean the info is out there, but it sure would be nice if there was a sticky that listed the different options. Just my $.02... By the way, this site is awesome and I enjoy the fact you all seem to be welcoming to the new comers, not like some sites I have seen in the past.
 

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Yea different strokes for different folks. All depends on what you will/want to do with it. But ya all know I put a big vote in for the Timbrens if you load the rear or tow. I can also see a new spring pack being a good thing. But I thought Nissan would have admitted to the problem and gave us new springs for the rear.

But all up to a Options thread.

MC
 

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Discussion Starter #18
Has anyone tried timbrens without a lift? I rode in a rig that had them (non nissan) and liked what they did but have been told they only fit the X with a 2" and greater lift....
 

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mars said:
Has anyone tried timbrens without a lift? I rode in a rig that had them (non nissan) and liked what they did but have been told they only fit the X with a 2" and greater lift....
Again, yes. Timbrens w/ no lift = pure goodness if carrying a load or towing. This includes pretty tough off-roading.

Been there, added lift (Calmini AAL), pretty sure I'm going to remove the AAL and go back to stock springs with Timbrens.
 

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mars said:
Has anyone tried timbrens without a lift? I rode in a rig that had them (non nissan) and liked what they did but have been told they only fit the X with a 2" and greater lift....
When i first got my timbrens i didnt have a lift. They actually almost sat flush up against the axle. But man o man did it ride like a dream when going over bumps. It was slightly bumpy (or springy) when driving at moderate speeds, but dealing with that is totally worth stopping the bottoming out issue.
 
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