Just doing a little research/thinking here - if you have aftermarket springs (not coilovers, obviously) that aren't installed on your car at the moment, could you do me a favor and measure the height of the springs, front and rear.

Make sure to lean the spring against something (right side up) or hold it with one hand so it is perfectly vertical when measured (not leaning on one coil), and measure to the very end of the top coil from the bottom.

by the way - NOT necessary to take pics....just post the heights of the front and rear springs. Thanks!

I'll start the list:
Maxspeeds (used) - F: 12 1/2" R: 11 5/8"
Stock SE *2000 - F: 15 3/4" R: 11 1/2"
Stock SE *2k2 - F: 16 1/4" R: 11 1/2"
Vogtland (new) - F: 13 3/8" R: 10 3/8"
Tein H-Tech - F: 12 3/8" R: 11 1/8"
H&R R: 11"
Eibach - F: 13 3/4" R: 10 3/4"

Tein SS (coilover) both 9 7/8"

Like so:

12 1/2" high


11 9/16" high

i have the same measures as u

How are your measurements the same as mine? The two springs I measured are not the same brand.....

also, please specify WHICH spring you have (do you have a 5th gen, or a 4th gen? )

You might find this interesting, Josh.

My front stock SE springs are 16-1/4" tall. I even used a level to make sure i had it on vertically straight. The rears are spot on with your numbers. 2k2 Auto btw.

interesting........

If I remember correctly, spring specs differ depending on transmission.

Irish, what's the idea behind this "thinking"? (if it's not a secret)

nothing much...just want to do some calculations. They might come in handy later....

My Illuminas should be coming in the mail tomorrow and I will be starting the Eibach/Illumina install the minute they get here, so I will let you know the Eibach spring height for the 5th gen. Good thing you posted this or I would have never measured, but these springs have about 5k miles on them so I guess its possible they could be slightly more compressed than if they were new.


BTW the the Eibachs for the front look linear, and the rears are deff very progressive

no...no....it doesn't matter what they "look like" - the spring rate/progrssivity is not something you can "see" in a spring - it's the treatment/tension of the metal itself in the spring. Look at your stock rear springs - they're not progressive-rate, but they have some coils tighter than the other. This is a common misperception.

heck, even my 1970 triumph's stock springs are wound "tighter" at the top...and I'm 110% sure those are linear

In most cases, front springs ARE progressive (except stock and Maxspeeds, IIRC), while most rears are linear.


So why can't you go measure for me now?

Josh, I'll measure my OEM '02's in the AM.

I'm a bit curious to see if they sagged at all while they were installed.

dammit Tim...I need aftermarket!

Vogtland Springs New in box

13 3/8" Fronts

10 3/8" Rears

I know, but my Maxspeeds are on my car, and I don't have any extras laying around

I know I know Irish I am just saying it would make NO sense if the eibach rears arent progressive based on how they look.

check them out on my Car domain page.
http://www.cardomain.com/ride/2340299
They look progressive as hell.

Yes again I know looks arent everything but if they arent progressive I'll be shocked.

postwhoring...

Hey Josh, when I get to the shop today I will measure my tien s-techs for a 4th gen (brand new just out of the box sitting on the floor) I would be interested to see how they measure up to the rest. (haha me and my dumb jokes)

.

I'll try to measure my Progress fronts and H-tech rears some time this week.

don't see any postwhoring:

=>
=>

.

then consider yourself shocked

those rears look just like my Maxspeed rears (which are not progressive), my H-tech rears (which are not progressive) and my/your stock rears (which are not progressive).

Most spring sets are only progressive in the front, since that's where most of the weight of the car is, and those springs are far more important for ride quality (which is what is affected by progressive rates). Rear springs make much less of a difference in ride, do not compress nearly as much in hard cornering, and do not have a need for progressive rate. If the rears were progressive, the spring set would be considerably more expensive.

Anyone have any measurements of H&R, S-tech, Sprint, Progress, etc?

Not sure if this is useful or not but I have seen some old school VW sirocco springs that actually use a tapered spring wire for the progressive affect while "looking" totally linear. So like Irish said the look can be deceiving.

nope sorry got carried away at the shop last night, and the worst thing was I did a suspension job and I had a set of h-techs I could have measured too. I will get you those measurements today...

Measured my front Eibachs vs H&Rs springs side to side before, don't remember the #s but H&Rs were an 1" lower then the Eibachs. Wierd, cause H&Rs are higher on the car and feels more softer

Alright, I found some laying around in the garage:

Tein H-Tech Front springs: 12 3/8"
Tein H-Tech Rear springs: 11 1/8"

H&R Sport Rear springs: 11"

Can't measure the H&R front springs because they're on the car. I'll be changing the struts around again near the end of this month (hopefully) and should be able to take measurements then.

I was also going to get some numbers on my stock I35 sport springs but the rears are on the car and the fronts have disappeared...? I hate moving.

Sell me your H-Techs Meta

They need a good home.. PM me

These are actually important specs because the aftermarket springs have significant length differences versus the stock springs but the overall length of travel in the struts that they go on do not change.

Eibach proline springs

Front - 13.75in
Rear - 10.75in

Tein SS Coilover springs:

Front: 9 7/8"
Back: 9 7/8"

maxspeed rear 11.5 and a bit more.. used my son's ruler.... can't find my tape measure....front Installed so can't give you the measure there....