OME Springs "Handedness"... True?

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Mike_rupp

Adventurer
I am not sure why you are so hesitant to deal with EE...John and Ho are always helpful and only sell products that they personally use and test...

I'm guessing, but I'd wager that Rob was expecting that John would tell him what he wanted to hear, but he didn't.
 

R_Lefebvre

Expedition Leader
I trusted the engineers at OME to have gotten this right, as well as my own training, and input from OEM suspension engineers. And all of it was proven right.

No significant "Sag" after a year. And no lean.
 

sinuhexavier

Explorer
I think that in all fairness to your study, the following should be disclosed;

1)Miles

2)Type of Miles (gravel road, street, hard trails, mud)

3)Typical Load (I know I carry roughly 400lbs in the back not including extra fuel and water)

4) Any after market mods beyond winch and bumper. (rack, rear bumper, drawer system, etc.)

The idea of "handed" springs didn't come out of thin air. It came after a lot of real world use on a variety of platforms, Disco I and II as well as the Defender 90 and 110.

In saying that you have proven your theory to be right in such absolute terms, are you claiming that on a Discovery I with front + rear bumpers, winch with synthetic winch line, 2 adults at roughly 300lbs., 400lbs of gear, with 130lbs of fuel and water that drives 7k of unimproved road a year is not going to have any sag or lean?

Or are you stating in your application alone?
 

roverdoc

Observer
I trusted the engineers at OME to have gotten this right, as well as my own training, and input from OEM suspension engineers. And all of it was proven right.

No significant "Sag" after a year. And no lean.

ummm....bullMMMM

what exactly are your dealings with the engineers?
 

4Rescue

Expedition Leader
SO I now am wondering if I put my Leafs on the wrong side cause I have the slightest of leans now after 2 years hardly noticable and maybe it;s just that I have one leg shorter then the other but I don't know and this thread is making me wonder.

Cheers

Dave
 

peter

Observer
After 1 year, as well as adding the ARB bumper and winch, and recovery tools in the trunk.

DSF: 20 5/8"
PSF: 20 3/4"
DSR: 20 3/8"
PSR: 20 1/4"

Change/Sag:

DSF: 13/16"
PSF: 3/4"
DSR: 3/16"
PSR: 5/16"

So, as suspected, there is no "lean" with the handed springs. There is some "sag" in front, but I did add 200lbs. The rear, maybe a little sag over time, but it's pretty much within my ability to measure accurately.

I have these Exact springs and after three years from purchase my springs are the Exact same height. I measured this a few months ago and have it saved on a Excel spread sheet. 20.75 and 20.25. I would say that the springs did not necessarily Sag, just that they "settled." ha.
 

R_Lefebvre

Expedition Leader
The idea of "handed" springs didn't come out of thin air. It came after a lot of real world use on a variety of platforms, Disco I and II as well as the Defender 90 and 110.

I know it didn't come out of thin air. OME obviously did their homework in developing Left and Right hand springs for the truck, as it's something I haven't seen OEMs do, so I'm sure they did it for a reason. The question, and the point of all this, was whether I should have bought the springs from EE so that they could "match" them, or buy them as OME intended. I did in fact intend to buy them from EE as stated early in the thread. But, due to other people's testimony who did not see any "lean" when installed as OME intended, I decided not to spend more money on the springs at EE, just to achieve some service which didn't seem necessary.

The point of the measurements was to show that the truck sits level, when the springs are installed as OME intended. In fact, I have to question how EE is measuring the springs when they make their free-length claims which show up to an inch of difference side to side, which they use to justify their "matching" service. As can be seen in this photo of 779 springs, they do not have a difference in height of 1". Even if you don't trust my measurements, this photo speaks for itself.

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EE knows what they are talking about...your truck will lean with unmatched springs...maybe not at first but eventually as they settle....if you dont want your truck to lean...then get matched...I run this setup on both of my rovers. I am not sure why you are so hesitant to deal with EE...John and Ho are always helpful and only sell products that they personally use and test...

This data was presented in response to this comment. As well as Alaska Mike's request for data after the springs have had a chance to "settle".

In saying that you have proven your theory to be right in such absolute terms, are you claiming that on a Discovery I with front + rear bumpers, winch with synthetic winch line, 2 adults at roughly 300lbs., 400lbs of gear, with 130lbs of fuel and water that drives 7k of unimproved road a year is not going to have any sag or lean?

I made no such claims. Do not misconstrue my statement.

First of all, let's get a few things clear. I am making no claims as to loading. Obviously when you load weight onto any vehicle, the suspension will compress. That's just basic stuff. If your vehicle sits level unloaded, but then leans when it's loaded, it's because you didn't load it evenly.

Secondly, I made no claims that springs will not "sag" over time. Again, pretty basic stuff which everybody is aware of.

The whole point of this, is a discussion about EE's claim that OME somehow screwed up when they created "handed" springs, and that customers should pay extra money to have EE match them up again, or else you will end up with a truck that will "lean".

This claim appears to be unsubstantiated.

Further, I was providing some evidence to counter claims I've seen elsewhere that OME springs provide less than 2" of lift. This is untrue, even 1 year later, and even after adding 200lbs of equipment to the front, and 50lbs of equipment in the back.

Or are you stating in your application alone?

Obviously, this is based on my application alone. However, the photo of the 779 springs does raise questions about EE's measurement of other springs. Perhaps since they have one unground end, they found the front springs more difficult to measure. Their measurements for 762's seem to be correct, those have both ends ground.

ummm....bullMMMM

what exactly are your dealings with the engineers?

Again, do not misconstrue my words. I had no dealings with the OME engineers. I said I trusted them to have done their jobs right. I trusted them, more than EE.

Do you meet/interview or otherwise have dealings with every pilot of every plane you've ever flown on? Probably not. Sometimes you just trust them to do their jobs.

I did speak with a friend of mine who tunes the suspensions on Ford's SUV's about this question of "handed" springs. They do no such thing, not side to side. They do release different springs to compensate for different options content. He said having 1" different spring height side to side would be crazy. That is when I decided to trust that OME did do their jobs correctly, otherwise I'm sure we would have heard of their springs causing "Lean" from more than just a single source.

Put the springs you want on your dmmm truck & drive it. Yall getting cought up in the minutia.

I agree. Paying more money to have somebody "match" your springs seems to be a bit silly.
 

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R_Lefebvre

Expedition Leader
So what exactly are you trying to say here? Look at my photograph. Do you believe that there appears to be 1" difference in height between those springs?

I cannot see any lean on my truck. I have very good eyes. I measured it to back it up. There is no lean.

Are you calling me a liar? Are you suggesting I don't know how to use a tape measure? (again, refer to the photo). Do you have any evidence to present to support your claim, or just conjecture? You are welcome to come measure my truck if you want.

Again, what exactly is the point you're trying to make? I agreed with you. This is much ado about nothing. Buy the springs from OME as they designed the system. Install them. Enjoy.
 
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