OME 2720 vs 2721

[Hammeredsole]

Radflo is completing my order of 2.5 IFP coil over and shocks, and I’m getting the rest of the parts together. I am going with the extended travel coilovers, 650lb front springs, with TC uca’s.

My goal is to have minimal lift ~1.5” all around. I’ll be setting the front coilovers to their lowest setting, and I am expecting under 2”.

My problem lies here. I have the 2721 sitting in my garage, which I plan to install on my now Stock LC with no plans for anything aside from recovery point, usual day/camping bags, some underbody armor, Budbuilt sliders, and a 12.5gal aux fuel tank. I am worried the 2721 will jack the rear end up higher than I’d like. OME calls them “no lift” but photos I’ve seen it looks like 2-3”. What is my best option???

 

[Hammeredsole]

You are the one person that had a good photo of the 21’s which I am specifically referencing. Was that before and after photo taken immediately after the install? Because of the limiteded number of LC out there, info is still pretty sparse on everything we do to our trucks.

Thank you for the reply!

 

[Markuson]

You are the one person that had a good photo of the 21’s which I am specifically referencing. Was that before and after photo taken immediately after the install? Because of the limiteded number of LC out there, info is still pretty sparse on everything we do to our trucks.

Thank you for the reply!

Yes.
-There was a stock suspension shot..
-Then stock with Roack Warriors and 285/70/17 KO2’s...
-Then initial install (from preload waaay too high)
-Then final with 5mm preload in front on BP-51 coilovers, and 2721’s in back.

Since you are mostly considering rear spring ya, though...those post-lift shots will do. Just remember they settle downward a bit.

 

[Hammeredsole]

Ok, I settled this with some info from a Slee spring rate spreadsheet. The 2720 and 2721 share the same spring diameters (18.5mm wire gauge), coil wind #s, and the same exact spring rates (both progressive as well), but the 2720s are 20mm shorter length than the 2721.

I am going to go with the 2720 to keep the lift in check. Thanks for the help.

 

[Markuson]

Ok, I settled this with some info from a Slee spring rate spreadsheet. The 2720 and 2721 share the same spring diameters (18.5mm wire gauge), coil wind #s, and the same exact spring rates (both progressive as well), but the 2720s are 20mm shorter length than the 2721.

I am going to go with the 2720 to keep the lift in check. Thanks for the help.

Good call...(to Slee!)
In hindsight I realize I was thinking of the 2721 vs. the 2722...not the 20.
Took that info down in case someone doesn’t see the correction.

Always a good move to talk to Slee.

 

[arich]

My truck has 2720 with the Bp51s set at 0mm preset in the front.

 

[Hammeredsole]

My truck has 2720 with the Bp51s set at 0mm preset in the front.

Thank you, it looks great. Do you have any sort of static load in the rear?

 

[arich]

Thank you, it looks great. Do you have any sort of static load in the rear?

Nothing. I can take measurements if you want them but I'm sure I have them posted elsewhere. Just search my name.
2721 were at least 1-2 inches higher
New Shock


ih8mud arich - Google Search

 

[arich]

BP51- 0 degrees, clunk is definitely gone