Good choice. I promise you wont be disappointed.
Just remember to let them sit on the car for about a week before you get an alignment.

Also remember it takes a few weeks for the springs to fully "settle" , meaning you'll get a lower drop then what you see when you first get them installed.

Be sure to take and post some before and after pics

 

would the alignment be really off? considering i have almost perfect alignment right now with my 19s and my nismo shocks and springs.

 

any camber issues?thanks

 

I want to know would it harm the stock shocks and did the bottom of the car scratched anything with this drop?

 

Well any alignment will be off once you lower the car with new springs

 

Yes, I was not able to get fully back in spec just close to it. I do run some negative camber, nothing extreme tbough

 

It just wears the stock shocks out faster and no the bottom of the car didnt scratch anything

 

Now i just order my springs and they will be here tomorrow... I am getting the eibach pro kit which lowers the car 1.0 all the way around... I'm wanting to know if i'm going to need chamber kits or what... can anyone tell me what i might need so i don't screw my tires up

 

Hmmm...looking at that blue Z makes me wonder about my springs. I have the GF-210's on 19" Volks, my car does not look that low. For some reason it always looks higher than most other lowered Z's. Im gonna find a good side pic and you guys can tell me if Im crazy or what.

 

up to you. if you dont you'll just wear the tires a lil faster.

 

am i gonna mess up my nismo shocks if i put the gf210s on??? and is my chamber gonna be way off?

 

Tanabe GF210 Series 350Z progressive springs 1”/1.2”
Spring rates in LBS 336/375

Oem 03/04 314/342
Oem 03.5+ 314/427

Nismo S-tune (twin tube construction, uses progressive springs)
350Z .8"/.8" drop
Spring rates 448/504

Going with GF210's will be a significant step backwards away from the performance you say your after. As you say, they are soft especially in comparision to your S-tune setup.

For a simular drop your your performance goal is better served by linear Tokico D-spec springs with a 1" drop

Tokico D-spec linear springs 1" drop
Spring rates 375/375.

Better yet would be TomMotorsport sleave coilovers
Spring rates 450/350

 

go with skunk2

 

i just got some swifts supposed to be the best for performance

 

But they are not much stiffer then oem, though granted they weigh less then the oem springs.

Swift 350Z linear springs .8”/.6”
Spring rates in LBS 336/364

Oem 2003/2004
314/342

Oem 2004.5/2007
314/427

And a few other companies offer simlular products that could make the same claim about being the best, but wisely choose not to.

Tokico D-spec linear springs 1"/1"
Spring rates in LBS 375/375

Tein S-tech slightly progressive front/linear rear .7"/.6"
Spring rates in LBS 386/402

Whiteline linear springs .8"/1' (Whiteline lists a varied drop spec)
Spring rates in LBS 365/445


Dont get me wrong, you made a good choice. And IMO their are other choices that would have been far worse.