which springs are better to you guys?

 

which teins/tanabes and what are your priorities?

 

I just installed tanabe df210's (on my stock shocks) on my g35 coupe this weekend. i was expecting a bumpy ride, but i have to admit they feel pretty nice.

 

Info for a more informed choice, you can use it or not, up to you.

Oem spring rates

350Z 2003/2004
Front:314 Rear:342

350Z 2004.5 to 2008
Front:314 Rear:427

Tein S-tech 350Z springs .7“.6“ (fronts are slightly progressive, rears are linear)
Spring rates in LBS 386/402 (estimated front intial rate is 327lbs)
Notes: In general lowering springs don't offer much stiffness vs oem, the S-tech offers the most rate incease without the compromise of being overly progressive (Keeping Nismo T2 springs off the table).

Tein H-tech 350z linear springs .3”/.2”
Spring rates in LBS 358/375

Tanabe GF210 Series 350Z progressive springs 1”/1.2”
Spring rates in LBS 336/375 (only peak rates are published, softer initial progressive rates unknown)
Notes: Not much stiffer vs oem, IMO Eibach prokit is a better choice if your looking for a 1" drop because of that springs higher spring rates which should help keep you off the bumpstops more often.

Tanabe NF210 Series 350Z progressive springs 1.2”/1.2” higher
Spring rates in LBS 314/353
Notes: Little to no increase in spring rate over oem, little to nothing added to keep you off the bumpstops


Eibach 350Z progressive springs 1”/1”
Spring rates in LBS initial/final front 296/384 initial/final rear 316/421

Eibach 350Z sportline progressive springs 1.2"/1.2"
F: 239/400 R: 257/435
Very wide spreads between the softer initial rates and firmer peak rates.

RSR 350Z linear springs .6”/.6”
Spring rates in LBS 345/417

Hotchkis 350Z Linear springs .6”/.8”
Spring rates in lbs 340/330

Progress Technology progressive springs 1.0”/1.0”
Spring rates in LBS 425/385 (final rates only, softer intial front progressive rate unknown)

Tokico D-spec shock & spring package
350Z - DSK512 - 375f/375r - Linear Springs 1"/1.5"

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

Swift 350Z Spec-R progressive springs 1.2”/1”
Spring rates in LBS intial/final Front: 291/392 Rear: 280/448

Vogtland 350z progressive springs 1”/1”
Spring rates in LBS initial/final front 257/354 initial/final rear 285/422

DR21 super sport 15mm drop
Spring rates in lbs initial/final front 246/398 initial/final rear 252/409
Very wide spreads between the softer initial rates and firmer peak rates.

Kg/mm DRacing progressive springs 1.2”/1.2”
Spring rates in LBS initial/final front 252/454 initial/final rear 252/482 rear
Very wide spreads between the softer initial rates and firmer peak rates.


Espelir 350Z progressive springs 10mm drop F&R
386/515 (softer initial progressive rates are unknown)

H&R sport progressive springs 350Z 1.3”/1” drop
Spring rates in LBS 370/400 (peak rates only, softer initial rates are unknown)