Lift

DNTL740

Adventurer
Hey guys, quick question. Am getting ready to do an OME susp. lift on my 01 D2.

This includes removing the air bags from the rear suspension. Whats the best way to disable the SLS? is the only option taking it to the dealership and having them disable it?


thanks

Cristian
 

bovw

Explorer
Unless you know someone with Testbook, you will have to take it to the dealer. That being said, if you don't mind dashlights just unplug the compressor under the truck. I've run my wife's 99 like that since last spring. The sls light is on, but with the compressor unplugged it will not run. One day I will get it disabled in the computer.
 

stolenheron

Explorer
any way you could go with RTE springs rather than OME? you might enjoy them better. never run OME springs myself (just shocks) but under heavy weight many people notice quite a bit more sagging than the RTE springs
 

R_Lefebvre

Expedition Leader
My understanding is that the RTE's actually had a softer rate than the OME's? Longer travel, higher lift, but softer rate?

Can you just unplug the lightbulb for the SLS warning light? Had to do that to the CEL and airbag lights on my car.
 

SeaRubi

Explorer
They all sag over time and heavy use. OME and RTE both publishe the spring rates of their products. If you're comparing an RTE "heavy" spring to an OME "medium" spring with the same loads then yeah, the medium will yield more compression. Also know that the same spring will behave differently depending on which truck it's fitted to - D1, DII, RRC or Defender, because they all weigh different things to start with.

Both RTE's rear application springs are variable rate. Light/medium duty spring is 285-325 lb/in, and the heavy duty are 300-340 lb/in. OME's common rear "medium duty" spring is 220 lb/in, by comparison. OME heavies are 300-340 variable rate. OME has an even higher rate spring that's 360 lb/in.

EE has a great breakdown of spring rates and application data:

http://www.expeditionexchange.com/ome/indexsprings.php

Likewise, RTE's info can be found on their site at http://rovertym.com/ and clicking on springs.


I myself prefer a much softer rate spring and to carry less stuff. They articulate a bit better, but the big advantage for me is that the lighter rate springs soak up washboard with less bounce. I had RTE heavies on my RRC and they were very stiff. I ended up swaping a bunch of stuff around using a combo of RTE and the genuine 1" lift "police" springs on the front axle.

Dialing in the best spring for you depends on what you're running for bumpers, winch, armor, what loads you carry empty / on-trip, and terrain. All of it will bolt up the same way.

The devil is in the details, as they say.

cheers,
-ike
 

stolenheron

Explorer
i've got RTE HD springs all around. tend to run around with alot of weight, so it helps prevent the sag. but my wheels lose contact with the ground much easier when flexing, especially in the front. a softer spring would allow alot more contact for the tires and the ground. but i'm not changing my setup, it works for me.
 

DNTL740

Adventurer
Thanks for all the input. I was going with the RTE springs, but they could not get them to me in time for my death valley trip, and then I ran into a guy that had a sweet looking rig, 03' SE7, and he was running OME, he liked them and after a few calls decided to go with the OME. Since I have a 01 SE7 I figured if it worked for him it should work for me, we'll see.

I dont mean to sound like a snob, but if they dont work out, they are cheap enough I could switch them out for a different brand. Am doing the springs and rims and tires this weekend, so I'll post some before and after pics.

And as far as the SLS, I think amd going to just take out the light bulb.
 

bovw

Explorer
Are you getting MD or HD OME? My wife's 99 D2 has OME HD and it does ride a little stiff on the road, but off it is pretty nice.My D1 has 3 in RTE with mediums in the rear, and rides better on the road but loaded down for camping tends to squat in the rear.
 

stolenheron

Explorer
I dont mean to sound like a snob, but if they dont work out, they are cheap enough I could switch them out for a different brand.

you could easily get most of your money back if you sell them while they still have low miles. people will gobble them up quickly.
 

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