Eibach Pro-lift springs installed with pics and comments

[OffroadAlliance.com]

So I know the general consensus of Eibach versus Geiser springs are Eibachs are more for street and light off road use where as Geisers are more for off road and jumping. Question I have is - is that mainly because the Eibachs are "newer" and have not necessarily gone through the paces like the Geisers or is it something more that that?

It’s a bit more than that. The biggest difference is progressive coils versus non.

Coil Springs


Eibach not progressive

544lb/inch coil rate


Geiser progressive

700lb/inch coil rate


OEM

530lb/in coil rate



Eibach Springs = These have a linear spring rate. Meaning that the spring rate is the same throughout the entire compression cycle.


Geiser Springs = These are a progressive spring rate. This means that the physical separation between the individual coils will vary. The initial coils are more closely wound together at the top and bottom whereby the middle coils are more spread apart. This offers varying spring rates as the coil spring compresses throughout the entire cycle.



Evenly spaced coil springs such as the Eibach, compress with the same rate at the same time offering a linear line of compression. Progressive coils have varying coil distances between each coil. These varying distance coils are designed to handle the impact of varying terrains. Those first few and last few more tightly wound coils designed primarily to handle the urban jungle (i.e. uneven pavement or that pothole). The middle more openly spaced coils are set at a different spring rate than those more closely compressed together and are intended to assist with off-roading where there’s likely a much greater range of travel for the suspension to move.

Hope this helps. And for anyone looking, we’ve got plenty of each in stock.

 

[FrenchRaptor]

here is some light reading for you...
I believe the Eibachs are considered more of a Linear spring whereas the Geisers would be more progressive.... I think?!?!? Lol

Linear-rate coil spring
A coil spring with equal spacing between the coils, one basic shape, and constant wire diameter having a constant deflection rate regardless of load.
Progressive-rate spring
A spring system (Eibach Pro-Kit = Progressive Spring Kit) that increases in spring rate with increase in deflection/travel.
“Linear rate springs” have one defined spring rate per inch of deflection throughout most of their range of deflection. ... “Progressive rate springs” are generally classified into two sub-types: 1) constantly increasing rate springs and 2) a “dual-rate” spring with two linear rates connected with a rate-transition range.

 

[Mk1 Caddy]

here is some light reading for you...
I believe the Eibachs are considered more of a Linear spring whereas the Geisers would be more progressive.... I think?!?!? Lol

Linear-rate coil spring
A coil spring with equal spacing between the coils, one basic shape, and constant wire diameter having a constant deflection rate regardless of load.
Progressive-rate spring
A spring system (Eibach Pro-Kit = Progressive Spring Kit) that increases in spring rate with increase in deflection/travel.
“Linear rate springs” have one defined spring rate per inch of deflection throughout most of their range of deflection. ... “Progressive rate springs” are generally classified into two sub-types: 1) constantly increasing rate springs and 2) a “dual-rate” spring with two linear rates connected with a rate-transition range.

Whooopty doo! What does it all mean Basil?
I just want a softer ride, i miss the 1st Gen ride comfort.

 

[Bulldog82]

I agree. Don’t want to go through after-market upgrade to have an ultimate worse ride. To add complexity, I am adding a FabFour premium bumper with a 12K winch. Plus 275 lbs on the nose. If stock springs are +\-540 lbs, then I am hearing I need to up the capacity of springs. Will that result n a stiffer ride? I agree with the previous poster, who pines for the Gen1 ride. How do I best determine the proper “load” size, and then dial in the correct spring to keep a good ride for highway AND off road handling. Is there a chart that reflects conditions and desires ride? BTW, I have a 2020 SCrew. Thanks for the forum’s help here.

 

[Nick@Apollo-Optics]

I agree. Don’t want to go through after-market upgrade to have an ultimate worse ride. To add complexity, I am adding a FabFour premium bumper with a 12K winch. Plus 275 lbs on the nose. If stock springs are +\-540 lbs, then I am hearing I need to up the capacity of springs. Will that result n a stiffer ride? I agree with the previous poster, who pines for the Gen1 ride. How do I best determine the proper “load” size, and then dial in the correct spring to keep a good ride for highway AND off road handling. Is there a chart that reflects conditions and desires ride? BTW, I have a 2020 SCrew. Thanks for the forum’s help here.

If you're able, I'd look into installing the bumper/winch first and then checking the suspension height after to see how much you need. With that massive weight increase, you may want to do a combination of Eibach springs and potentially combining those with a perch collar. We've done this on another customer's truck who desired a little more height. Additionally, we can help with the bumper, winch, and lighting to go with. We're a Fab Fours dealer.

 

[Bulldog82]

Thanks for feedback. Based on your experience with other customers, how much sag do they experience on stock springs? Also, where should I measure before and after point from? Thanks

 

[Ski4Ever]

Also, where should I measure before and after point from? Thanks

Measure from the top of your wheel straight up to the edge of the fender. That will eliminate any differences due to tire pressure (or tire size) from one measurement to the next. You'll have to bend the tape measure a tiny bit, but it won't affect anything really.

 

[Bulldog82]

Thank you

 

[element217]

So here would be my next question. as the Eibachs have a difference in height for the 2017/2018 at 2.5” vs 1.7” for the 2019/2020 - are the Geisers the same? I know it says 2.5” of lift but there are no different numbers for the 2019/2020?

Anyone have a 2019/2020 with the Geisers/Deavers combo and pics/measurements of the height increase?

It’s a bit more than that. The biggest difference is progressive coils versus non.

Coil Springs


Eibach not progressive

544lb/inch coil rate


Geiser progressive

700lb/inch coil rate


OEM

530lb/in coil rate



Eibach Springs = These have a linear spring rate. Meaning that the spring rate is the same throughout the entire compression cycle.


Geiser Springs = These are a progressive spring rate. This means that the physical separation between the individual coils will vary. The initial coils are more closely wound together at the top and bottom whereby the middle coils are more spread apart. This offers varying spring rates as the coil spring compresses throughout the entire cycle.



Evenly spaced coil springs such as the Eibach, compress with the same rate at the same time offering a linear line of compression. Progressive coils have varying coil distances between each coil. These varying distance coils are designed to handle the impact of varying terrains. Those first few and last few more tightly wound coils designed primarily to handle the urban jungle (i.e. uneven pavement or that pothole). The middle more openly spaced coils are set at a different spring rate than those more closely compressed together and are intended to assist with off-roading where there’s likely a much greater range of travel for the suspension to move.

Hope this helps. And for anyone looking, we’ve got plenty of each in stock.

 

[Raptor911]

Eibach heights are not different in years 2017/2018 and 2019/2020. The reason they list them as such is because the live shocks in 2019/2020 makes 2019/2020 truck sits higher so the same springs does not give the same height increase. I hope this makes sense.

So here would be my next question. as the Eibachs have a difference in height for the 2017/2018 at 2.5” vs 1.7” for the 2019/2020 - are the Geisers the same? I know it says 2.5” of lift but there are no different numbers for the 2019/2020?

Anyone have a 2019/2020 with the Geisers/Deavers combo and pics/measurements of the height increase?