The Eibach Prokit springs are a good setup for a lowered daily driver. You will need to put quality shocks on as well. I had a set and used Koni "yellow" shocks with them-worked just fine. Anyone who says they are bouncy needs to look at the entire setup. You MUST couple a set of springs with aftermarket shocks that are able to work with the amount the car is lowered.
I sold my set because I also wanted to take the car out on track days, and because I prefer a stiffer spring setting-thus I got the Neuspeed Sport springs and put them on with the Koni shocks.
Just remember that a suspension is a system. You have to match all the pieces to get it right. BTW: the stock shocks will not last under the conditions imposed by the increased spring rates and lowering-so do plan on a set of aftermarket ones (Koni, KYB, Tokico).
__________________
Grandpa's toys-modded suspensions and a few other tweaks
'99 Prelude SS - A sweet song in motion SOLD
'89 CRX Si= SCCA/NASA/PDA ITA #99
'03 Dodge Dakota Club Cab (4.7L)-gonna tow
Thanks to KONI, KIRK Racing, Longacre, UPRacing, Summit, Racing Electronics and my crew.
You sure Pro-Kit with Koni Yellows is a good idea?? I had the problem of the rear springs being too short for the shocks. This means that if I set the shocks to the middle perch, the spring was able to move up and down freely before being mounted. So now I'm running with the rear shocks set at the top perch. I e-mailed Koni about it. This is what I got in reply from them,
"The middle perch setting is the same as the OE shock the problem you are describing is not normal. The upper perch is only needed if you carry a lot of weight in the trunk at all times (i.e. speaker box).
I should also mention that the springs that you have are not compatable with the shocks. The problem is that the lower end of the Eibach springs will not sit correctly on the spring perch of the shock. You must replace the springs with either the stock non-SH springs or another aftermarket spring to make the Konis work correctly on the vehicle (H&R and Neuspeed are two know good springs). If you have any other questions, please let me know. Thanks.
I am probably going w/ H&R's or Progress.....b/c of what u said and also what tirerack said about they do not recommend getting eibach's w/ koni's. If u don't believe me look at www.tirerack.com under the suspension set-up and c for yourself But really i have not heard anyone really complaining so i don't know
yeah well i'll be the first to complain. The reason I got the Pro-Kit was because I didnt feel like buying a camber kit. Oddly enough, I have ingalls camber kits now. So now i'll be getting neuspeed race springs.
I had a set of Eibach Prokits when I had my Prelude and they were great. I had stock shocks but they weren't too bouncy for a daily driver and sometimes a track car.
You might want to consider a couple things of them though. When you look at the car lowered, it will look like the back is lowered more than the front. It really isn't. In fact, the car is very close to being level horizontally, and even out of the factory, the front still looks higher than the back.
The second thing is that the ProKits are a progressive spring, meaning, they start off at a certain spring rate and progressively decrease the spring rate after driving with them. In other words, after time your car will lower slightly. I've seen it drop from the factory setting at 1.3" and dropping to 2" within a year. It really depends on where/how/what you drive on.
Just some things to consider, but they are definately top-notch springs and should be even better with a great shock.
i'm confused...i thought you didn't need aftermarket shocks with the 1.3" drop afforded by the eibach prokit...i was planning on just doing springs for now...so this is a no no? Am i going to be "bouncing" a lot?
The second thing is that the ProKits are a progressive spring, meaning, they start off at a certain spring rate and progressively decrease the spring rate after driving with them. In other words, after time your car will lower slightly. I've seen it drop from the factory setting at 1.3" and dropping to 2" within a year. It really depends on where/how/what you drive on.
Just some things to consider, but they are definately top-notch springs and should be even better with a great shock.
peace
once the spring rate decreases, and you drop to 2", does that mean they are no longer good??
Originally posted by iaintdumb2 i got the prokit and i'm still using my stock shocks. the ride isn't exactly bouncy, you just feel all the bumps...heh
The pro-kits are good quality springs. I've had them on my stock shocks for around 5 months and I think it is still running great. And like iaitdumb2 said, it's not bouncy, you just really FEEL the bumps...
JC836: Hey man, did you experience the springs not fit properly into the spring perch? I tried to mount my Pro-kit on koni yellows the other day and I had that happen to me. what do you suggest?
I've seen many people with koni yellow and pro kit setup, I wonder how they coped with that perch problem. Can I hear some opinions please?
once the spring rate decreases, and you drop to 2", does that mean they are no longer good??
Not really...They are designed to do that. They "settle" and become a more agressive spring through time. That's just the way Eibach wanted them I guess, I love them. Like everyone said, it's not really bouncy, you just feel the bumps
Well now-could it be that the springs that you got were either the wrong set or you actually tried putting the front ones on the rear of the car. That is what it sounds like to me. But do tell me I'm wrong-then I will say you got the wrong set. The rear set is taller than the front. I talk to Koni from time to time and we worked together to get my setup right. The correct positions for the perches is Front-upper and Rear-middle. That is also what Eibach and Neuspeed used to design their springs.
I'm sure someone has had some settling and that was also a concern of mine. Neuspeed does not have this problem as they "block set" their springs twice during manufacture. I did not see a problem with the Prokits either. It is possible for the rubber isolators to compress as they are under an increased load versus stock. With the Neuspeed springs we found that the ride height is at 4.5" at all 4 jack points on a level surface (there is some variance of course).
Do yourselves a favor and check the length of your springs before installing them-short front/long rear. Allow a correction here: Progressive springs are just that-they get stiffer as they are compressed.
You will probably need camber kits because the drop is just enough to justify it.I have mentioned this in other threads. Get a full 4-wheel alignment, get the printout and then go to Ingalls and Specialty Products websites. You can call both companies for their advice too. I happen to have a spare pair of Ingalls 3573, for 1 side only, if anyone needs em-just e-mail me. You want my help send me a note with your specs. I buy my parts from Ultra Performance in Tuscon-great pricing and service.
One more thing-make absolutely sure that the toe-in is set to spec.
__________________
Grandpa's toys-modded suspensions and a few other tweaks
'99 Prelude SS - A sweet song in motion SOLD
'89 CRX Si= SCCA/NASA/PDA ITA #99
'03 Dodge Dakota Club Cab (4.7L)-gonna tow
Thanks to KONI, KIRK Racing, Longacre, UPRacing, Summit, Racing Electronics and my crew.
I have the eibach prokits mated with KYB AGX. Had them for about 6 months now. I love them, not too bouncy for me. When the AGX are set at 1, it feels like stock IMO. Crank them up to 3 and you'll feel everything on the road.
I had Pro-kits and Tokico Illuminas for about 3 months.
Eibach claims they are only a 1.3" drop, which is
They must have sagged to at least 2 inches in about a month of driving. I did not want my car lowered that much, and I scraped a lot (mainly just the front tow hook kept hitting the ground.
I dunno, but if you ask me, Pro-kits end up too low, bottoming out, and scraping a lot. Plus I COULD NOT STAND the saggy-ass rear end of the car compared to the front. !imagepree
I sold that setup and bought a used Mugen suspension kit off ebay about 8 months ago. I could not be happier.
They give the Prelude a perfect drop IMO (about 1"), and have adjustable ride stiffness as well. Mugen's R&D really does pay off when they design something. A second choice of mine would have been H&R's.
Aggressive drops and harsh rides are just not my cup of tea man!
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But really i have not heard anyone really complaining so i don't know
The reason I got the Pro-Kit was because I didnt feel like buying a camber kit. Oddly enough, I have ingalls camber kits now. So now i'll be getting neuspeed race springs.
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