OEM Z springs
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iTrader: (10)
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This is what I pulled from a sticky:
Spring rate depends whether your Z springs are the revised version. And Z springs are supposed to lower 0.5 inch. There's another thread here with pics of a G with Z springs. It's fairly new so you shouldn't have trouble finding it.
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Oem linear springs
G35 coupes with oem 17’s & 18’s
G35 sedan’s with sport suspension
350Z’s 2003/2004 (unrevised)
Front:314 Rear:342
Oem linear springs
G35 sedan's with non sport
Front: 283 Rear: 308
Oem linear springs
G35 coupes 2005/2006 with oem 19’s only
350Z 2004.5 to 2006 (revised suspension)
Front:314 Rear:427
Any spring or coil over that has “stiffer then oem springs by” does not factor in the higher rear spring rates of 2005 coupes with oem 19’s or 04.5+ oem 350Z’s
Tein S-tech 350z (fronts are progressive, rears are linear) .7”/.6” drop on 350Z G35 drops will be higher
Spring rates in LBS 386/402 (estimated front intial rate is 327lbs)
Tein H-tech 350z linear springs .3”/.2” drop on 350Z G35 drop will be higher
Spring rates in LBS 358/375
Tein H-tech G35 (fronts are progressive, rears are linear) coupe drop .6"/.3" sedan drop 1.4"/.7"
Spring rates in lbs 324/260 (final rates only, softer intial front progressive rate unknown)
Tein S-tech G35(fronts are progressive, rears are linear) coupe drop 1.2"/.9" sedan drop 2"/1.3"
Spring rates in LBS 358/274 (final rates only, softer intial front progressive rate unknown)
Spring rate depends whether your Z springs are the revised version. And Z springs are supposed to lower 0.5 inch. There's another thread here with pics of a G with Z springs. It's fairly new so you shouldn't have trouble finding it.
**********************************
Oem linear springs
G35 coupes with oem 17’s & 18’s
G35 sedan’s with sport suspension
350Z’s 2003/2004 (unrevised)
Front:314 Rear:342
Oem linear springs
G35 sedan's with non sport
Front: 283 Rear: 308
Oem linear springs
G35 coupes 2005/2006 with oem 19’s only
350Z 2004.5 to 2006 (revised suspension)
Front:314 Rear:427
Any spring or coil over that has “stiffer then oem springs by” does not factor in the higher rear spring rates of 2005 coupes with oem 19’s or 04.5+ oem 350Z’s
Tein S-tech 350z (fronts are progressive, rears are linear) .7”/.6” drop on 350Z G35 drops will be higher
Spring rates in LBS 386/402 (estimated front intial rate is 327lbs)
Tein H-tech 350z linear springs .3”/.2” drop on 350Z G35 drop will be higher
Spring rates in LBS 358/375
Tein H-tech G35 (fronts are progressive, rears are linear) coupe drop .6"/.3" sedan drop 1.4"/.7"
Spring rates in lbs 324/260 (final rates only, softer intial front progressive rate unknown)
Tein S-tech G35(fronts are progressive, rears are linear) coupe drop 1.2"/.9" sedan drop 2"/1.3"
Spring rates in LBS 358/274 (final rates only, softer intial front progressive rate unknown)
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