First Gen. OME coil info

[Leadgolem]

I've been doing some research on the OME coils and thought I'd share. This is specific to first gens.

The spring capacity ratios are designed to give you a reasonable idea how much more spring capacity you'd want for heavier front accessories to maintain ride quality, such as a bumper/winch. I used the curb weight of my 1998 4wd xtracab manual for these calculations (3345 lbs), it shouldn't make much of a difference if you have a v6 (3410 lbs). I don't know the weight distribution of our trucks so I can't tell you exactly how much weight is being born by the front coils. (So, the accessory weights lower down are likely to be a bit high.) If somebody knows the weight distribution please share so I can update the figures.

Also, heavier accessories on the rear are not going to make any difference as to what coils you want up front. The weight there isn't going on the coils anyway.

By comparing various lift products I got a spring/spacer lift ratio of 1.66 to 1. Meaning a coil (or spacer) that, once under pressure, is 1" longer should provide 1.66" of lift. This took a while to figure out, and I'm not sure it is totally accurate.




Coil 880
Spring length 14.37"
Spring rate 502 lbs/in
Total spring capacity 7213 lbs
Lift amount 1 in (This is from the toytec site and used as baseline.)
Spring capacity ratio 2.15


Coil 881
Spring length 14.76"
Spring rate 502 lbs/in
Total spring capacity 7409 lbs
Estimate lift amount 1.64"
Spring capacity ratio 2.21

Recommended additional accessory weight 91 lbs
Estimated lift with accessories 1.46"


Coil 882
Spring length 15.55"
Spring rate 502 lbs/in
Total spring capacity 7806 lbs
Estimated lift amount 2.88"
Spring capacity ratio 2.33

Recommended additional accessory weight 285 lbs
Estimated lift with accessories 2.02"

FYI: The estimated lift is after the springs settle. Before that they will be about 1/2" higher.

[scocar]

Nice job, Leadgolem.

Mods, I recommend sticky in the first gen forum, or sticky it in Suspension, but it definitely needs "1st gen" added in front of the title in that case.

I found some other info when I was researching and need to dig up the PDFs on a great magazine article that compares them and some other specs, and I will attach them...once I find them.

Of note:

The OME coils are nonprogressive, but the stock OEM coils are progressive.

ARB's "spec sheet," which is less technical and seems more focused on marketing, is attached.

The Wheeler's link, with some helpful guidance, but again unfortunately less technical, info:

http://www.wheelersoffroad.com/ometaco.htm

[malander]

dont forget 883s can also be used on 1st gens! they arent made for it but whateva...

[fsbrain03]

Thanks for the info!

[Scott78]

Will the progressive vs. Non-progressive be an issue? Are toytec progressive?

[Scott78]

I'm still lost with these fucking lifts, even after reading until the threat of divorce.

On several sites, the complete OME kits are either heavy or light (stock). I don't plan on putting a winch bumper or aftermarket bumper on the front, but I do plan on putting a canopy on the truck and I tow a pop-up camper every other week with a decent load in the bed.

So do I get the light kit with the extra D6XL, the heavy kit by itself, or the heavy with the D6XL?

By kit I mean new leafs as well as the new front, I'm not a bit fan of just doing an AAL alone for the rear.

[scocar]

Yeah, it's a brain fuck and time drain.

Why don't you give Wheeler's Offroad a call and discuss your needs. They are very helpful. Unhurt your brain some...

[lennys]

I put OME 882s with a elite bumper and smitty 8k winch 158lbs added,then changed to the Icon extented C/O with a 13" 650lb spring,The OME gives my truck a 1/2" more of lift and rides night and day better on the road,

[Arctic Taco]

I am planning on an ARB front bumper, and elite rear bumper and have a Daystar levelling kit waitng for me to get back stateside. However, I am leaning toward new shocks all around and maybe new coils up front. Any ideas?

[bigdaddytaco]

i have a ARB,with 882 it has been on for prob 4 to 5 years and is starting to sag in the front if i bought new 882 and put them on would it fis the sag for 4 to 5 more years ?

[bigdaddytaco]

would these work with nitro charger front shocks or do i need the ome that come with the oldman emu lift kit that i have on there now
Toytec/Eibach front coil lift springs



892-620
Product Details...
$149.99

[scocar]

Originally Posted by bigdaddytaco

would these work with nitro charger front shocks or do i need the ome that come with the oldman emu lift kit that i have on there now
Toytec/Eibach front coil lift springs



892-620
Product Details...
$149.99

Most people who have Eibachs recommend the Billy 5100s set on zero for use with Eibachs. The Nitrochargers are designed and valved specifically to be optimal for use with the OME 880/1/2/3 coil 500 lb ratings. And they are more expensive than Billies.

I have never heard of Nitros being paired with Eibachs.

[xxOkieTacoxx]

What setting should I use for the bilstein 5100 adj and ome 881's? Just bought them and not to familiar on how to preload them. I have a 2.5" taller leaf lift in the rear than stock

[scocar]

Originally Posted by xxOkieTacoxx

What setting should I use for the bilstein 5100 adj and ome 881's? Just bought them and not to familiar on how to preload them. I have a 2.5" taller leaf lift in the rear than stock

You must set them on zero. The OME (and Eibachs) are much stronger coils than the OEM progressive coils, which is what the 5100s were designed to "level" or lift. The 5100s spring perches were not designed to handle the preload of the stonger aftermarket coils.

[xxOkieTacoxx]

So the adjustable factor of my shocks is completly useless with ome coils? :/

[battleyota]

I have the OME 883 on my taco, along with the 3.4, ARB bumper. it started to sag within a year. Its a good ride, but I'm not impress with the way how it sags so fast. Wish OME would make a coil spring that can compensate on the weight of everything including a winch.

[Ipreferwater]

so I plan to add a elite bumper to my front, looking for a 2-3 inch lift.
thinking billy 5100's and 882's for the front and billys and a AAL in the back?
how well would this work. o.O

[puddin67]

im plannin on runnin 2 in shackles in the rear with 2 or 2.5 in spacers up front, anyone think this is a good or bad idea? the only real weight bearing accesories i have would be the westin bull bar up front, but i have not yet noticed any difference in my ride up front or the handling or spring sag

[cdnmtbkr]

Just curious but what are the Toytec/Eibach springs equivalent to in OME? In other words:

Toytec/Eibach stiffness = OME 880/1/2/3/4???

I'm getting ready to pull the trigger on the lift/level I want to do on my '01 Taco but still confused as to which one to go with. Looking to level/lift and add 1-2" all around. Not going to be installing an aftermarket bumper or winch anytime and will be doing minimal off-roading (70/30 - highway/offroad). Just want the Taco to have a nicer, more even stance.

[Rebel Taco Man]

Originally Posted by xxOkieTacoxx

So the adjustable factor of my shocks is completly useless with ome coils? :/

the new coils are stronger than the stock ones, therfore its going to lift your truck without having to preload the shocks.