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Discussion Starter #1
Guys I'm torn between getting the Nissan European Springs (101lbs/in front; 112lbs/in rear) and the Eibach PRS which lower the car about 1" and offer a slightly stiffer ride. I'm planning using Tokico 5-way Illuminas, Energy Suspension bushings and STS 28.5mm Front 20.6mm sway bars on the car.

Questions:

1) Which Springs?
2) Are the STS 28.5mm and 20.6mm sway bars too aggressive for the street or are they a good match for either set of springs?

The car is a 1972 240Z. I have 14" American Racing slotted mags with 60 series tires as well as 15" set of wheels with 55 series rubber. While I'm an aggressive driver, this is not going to be a SCCA racing car. It's my weekend ride. All other suspension parts are being replaced.

Assume that the price difference between the two spring options are not an issue.
 

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Re: European Springs verse Eibach Lowering Springs

I have no experience with the european springs, except that I have ridden in a 71 240 that was restored to stock with the exception of the euro springs. The car drove very well and was quite competive in autocrossing. The main reason he went with the euro springs was that he didn't want to lower the car much and he wanted to stay with linear rate springs. The eibachs are stiffer but not by much and they are progressive which gives you a soft ride until you really start compressing them. I have used eibachs before and didn't like them for a couple reasons; they are too soft for the amount they lower the car making it very easy to bottom out then your handling is gone, I also don't like the progressive style springs. The Z's were designed with linear rate springs, and for me they work better. I like the motorsport springs with one coil cut out of them, they are stiffer than the eibachs too. I probably haven't helped you much with the spring choice but just know that either choice is good and will work very well.

I like those swaybars, they will work well with whatever springs you use. You should see alot less body roll almost none. The stiffer the spring you use the less body roll you'll have also. The tokico illuminas are a good choice.

Matt
 

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Re: European Springs verse Eibach Lowering Springs

Can you tell me what you are finding price wise? I'm considering the same things...
 

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Euros may not be available.

Before you consider getting Euro springs, make sure they are available. I was out shopping for springs myself about a month ago. NO ONE could get the Stage I Euros at that time, and the stage II Euro's are sketchy (even though they are advertised at many sites). I called Nissan Motorsports, and all Euro springs are backordered, with no anticipated arrival date. They told me it's possible they will never be produced again.

It's the same story for OEM springs.

I would read the archives on the Eibach's. Some people love them, others are extremely unhappy. People have been having problems with these springs sagging in the rear.

After all of my research, I decided to go with Arizona Z car springs which are rated at 180/200, and stock ride height. They are roughly double the stiffness of the stock springs. I have not installed them yet.

ST springs are less stiff than AZ Z car springs, but lower the car an inch, which I didn't want with 16" wheels.

One other option is having springs custom made. It only costs about $300 for a set of four, and the springs are custom tailored to your specs. There are a few places on the web that do this, just do a search on Yahoo and you'll find them.
 

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Re: Euros may not be available.

From what i hear Euro are hard to find,as Sean mention.I got lucky because i got this set back in August from Nismo, i guess this was last one.Unfortunatly i don't have them on my car, i decide to go with full suspension rebuild and it takes money and time.Look at ST springs if i wouldn't be able to get Euro i would go with ST.Good luck!
 

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Re: European Springs verse Eibach Lowering Springs

I have a '72 240z with a '78 280z engine/5 speed tranny in it. I am running 14" wheels with Eibach springs, tokico 5 ways and sway bars both front and back. Although it doesn't bother me at all everyone that gets in my car tells me how hard the ride is. (And to think, I am looking at putting 16" or 17" wheels on it...it is going to be a very rough ride) I don't really notice anymore but I have started warning people before they volunteer me up to drive them somewhere. I am a very agressive drive and am setting up for AutoCross but this is also my daily driver. If you don't mind feeling everyone bump in the road and getting your teeth jarred from time to time this is a great setup. Oh and did I tell you that I always run the shocks on the softest setting? I once turned them all the way to the stiff setting because I was doing some 140+ mph desert runs and man did it get stiff. Although I use it as a daily driver you might want to think twice about it if others ride in your car or if it is going to bother you to have the ride so stiff. ....but the handling is insane. If you live in the SF Bay Area let me know and I will take you for a ride so you can feel the setup.

Houston
 

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Re: European Springs verse Eibach Lowering Springs

i am thinking of this setup for my car except i was going with non-adjustable tokico's. I also live in SF and was wondering if i could check out your ride sometime. let me know
 
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