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  #10  
Old 17-03-2013
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Another Update!!

Just had a communication from the LLAMS maker.

He thinks it will be possible to design it so that you can drive at any speed at OR1, which gives greater suspension travel on rough roads, and up to the OR1 speed limit at OR2. It may be possible to get a few more millimetres over OR2 as well, at very low speed, just to help clear an obstacle.

Unlimited speed at OR2 would be potentially dangerous, so I agree with his idea.

Hopefully next weekend I will be doing the road trip again to get the prototype fitted.

Cheers
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Old 17-03-2013
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Awesome. It would be nice to engage the Aero-mode below 100km per also.
  #12  
Old 17-03-2013
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I think that will be possible - but you can just select "Sport" on the Terrain knob.

Cheers
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  #13  
Old 21-03-2013
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Well, back to Wagga on Saturday so we can fit a prototype module and test it.

I'll be sick of the Hume soon as I will be driving back up to the North East on Good Friday, towing the camper. That will be three weekends in a row...

I'll report in when the unit is installed.

Cheers
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Old 21-03-2013
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Driving at OR2 in anything that's not offroad rocks or sand would be a painful drive anyway, its hard as.

Will being able to keep it at OR1 give you the ability to put bigger tyres ? Or is it just bigger travel on rocky roads? I found my car fine on rocky roads at speed in normal driving mode.

Vin
  #15  
Old 21-03-2013
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OR2 is fairly self limiting, that's for sure!

I think you will find the problem with bigger tyres will be clearance from the suspension. That great lump of metal just above the top of the tyre will stop you fitting larger diameter tyres.

Cheers
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Old 22-03-2013
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Very interesting stuff. Thanks Numb Thumbs!

I'd be especially interested in the possibility of moving higher than OR2, it would be very handy when you need that last little bit of clearance.

Sadly from what I've read, the higher you lift the vehicle using the air suspension the less wheel travel you have. RTI measurements which are already fairly bad for the WK2 go down the more you lift the vehicle. I believe this is because you are making the suspension stiffer the more air pressure you pump into the shocks to create the lift. Some manufacturers have combatted this by creating a cross axle system, so when one tire is pushed up, the air pressure passes across the axle to the other side and forces that tire down, creating more axle articulation.

But more clearance would be great, even if it were just for short periods or when stuck.
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Old 22-03-2013
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It may be possible to get a few more millimetres out of the suspension above Off Road 2, but it certainly would only be for emergency use as there would be virtually no suspension travel.

The Discos cross link their air suspension, which seems like a great idea. We will have to make do with traction control and the Quadra-Drive II.

The current thinking is:

Aero (or maybe even a little lower) - user selectable

Off Road 1 - speed unlimited, just use common sense!

Off Road 2 - limited to current Off Road 1 speed limit.

Small extra height boost above Off Road 2 for emergency use only.

Any suggestions?? Let me know ASAP as I drive to Wagga early tomorrow morning...

I'll report back once I'm back in Melbourne.

Cheers
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Old 22-03-2013
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Sounds good.

I don't have much need for OR1 at higher speeds, but the extended OR2 height would be great, if the other driveline components can handle the increased height.

I suppose before I bought one, I'd want to know how easy it was to return to stock, as I'm sure it would not be good for my warranty.

Also, I've been talking with a company that makes custom air suspension components on the off chance they could provide something to replace the stock air struts on the WK2, and potentially provide a bit of lift or performance boost. The suspension has certain limits, (i.e. control arm length, driveline angles, etc.) that make lifting a WK2 beyond a certain point difficult, but before I can even investigate that, I'd need a way to connect the new air suspension components to the Jeep system and control them. can you ask your guy at LLAMs if he could theoretically create a system to control these replacement air struts?

Maybe we can be the first with a lifted Quadra-Lift WK2?
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