Performance dampener w/ swift springs

Red__Zed · 07-26-2011, 01:21 PM

Quote:

Originally Posted by kenchan

cossie- im impressed with your explanation.

most people run 20-25mm spacers so that will reduce wheel rate considerably and lower the extra work load to maybe 3-5%? (just a guess)

which brings me to the reason of posting just like KamiSpeed... my 25mm H&R spacers are for sale in the for sale section. lol

Why would spacers help?

kenchan · 07-26-2011, 03:36 PM

Quote:

Originally Posted by Red__Zed

Why would spacers help?

basically like attaching a pipe over your breaker bar to get more leverage.

your wheel rate is the spring rate at the wheel instead of at the shell of the strut assembly or spring carrier in the back. the more you push out the wheel, the more leverage you get...easier to compress the springs so softens the ride.

for bound it makes it worse for the strut, rebound, makes it easier. there's give and take. usually people notice rebound undulations more, thus a lot of european dampers are only rebound adjustable vs simulateous.

KamiSpeed · 07-26-2011, 01:27 PM

Quote:

Originally Posted by kenchan

which brings me to the reason of posting just like KamiSpeed... my 25mm H&R spacers are for sale in the for sale section. lol

touche

cossie1600 · 07-26-2011, 01:20 PM

slow work day for us both....

i am just cheap. even though i have never kept a car more than 3 years, but i really dont want to prematurely kill my struts/shocks unless i am doing other dumb things (like ice racing a prius)

cossie1600 · 07-26-2011, 04:24 PM

you forgot the part about wearing the hub and studs out

kenchan · 07-26-2011, 04:48 PM

cossie1600 · 07-26-2011, 05:42 PM

Spacers can wear out hubs too, same with heavy rims/tires.

kenchan · 07-26-2011, 06:45 PM

Quote:

Originally Posted by cossie1600

Spacers can wear out hubs too, same with heavy rims/tires.

You mean the wheel bearings? Yah, if you like hellaflushthetoilet.

cossie1600 · 07-26-2011, 08:29 PM

Quote:

Originally Posted by kenchan

You mean the wheel bearings? Yah, if you like hellaflushthetoilet.

Technically yes as most hub cracking are caused by wheel bearing failures. I don't think you can change the hub without the bearing on the Z (I just saw a guy changing it on a 350 at the track Sunday).

Daishi9000 · 07-27-2011, 01:33 PM

are the stock shocks and springs the same on a sport and non sport?

Red__Zed · 07-27-2011, 01:39 PM

Quote:

Originally Posted by Daishi9000

are the stock shocks and springs the same on a sport and non sport?

Yes.

Daishi9000 · 07-27-2011, 02:50 PM

Ok, thanks!

cossie1600 · 07-28-2011, 12:32 AM

It depends on the local club. Our club doesn't allow R comps in stock class, but SCCA and most others will. The street/race tires from Bridgestone/Kumho/Nitto/Hankook/Yokomama are about 1.5-3 sec slower than A6s, but it will be way better than your stock or the stupid V12s or whatever. It's an expensive way to go, but the better tires are better than any stupid spring setup you are going to put in your car. I believe Tirerack tested a full spring kit, the car gained .4 sec on their 30 sec course or something, which is nothing compared to a set of decent tires.

christian370z · 07-28-2011, 09:55 PM

Kenchan, how is the sidewall stiffness on the Polepositions? Same as the RE050s?

07-28-2011, 09:55 PM	#14 (permalink)
christian370z A True Z Fanatic Join Date: Jul 2010 Location: Newport Beach Posts: 3,900 Drives: 2010 370Z/Saab 900se Rep Power: 433	Kenchan, how is the sidewall stiffness on the Polepositions? Same as the RE050s? __________________ -320whp / 259wftlbs- SP Rays -- RE-11s -- SpecialtyZ Tune -- Swift Springs -- Stillen 25R Oil Cooler -- Stillen G3 Intakes -- Berk HFCs -- F.I. 12" CBE -- Stillen Sway Bars -- Es14 Spring -- INGS+1 lip -- CF Spoiler -- GTR Start Button -- VLED Parking Lights -- PWJDM V2 shift knob

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07-26-2011, 01:20 PM	#4 (permalink)
cossie1600 A True Z Fanatic Join Date: Jun 2009 Location: californee way Posts: 5,380 Drives: 370, Leaf Rep Power: 31	slow work day for us both.... i am just cheap. even though i have never kept a car more than 3 years, but i really dont want to prematurely kill my struts/shocks unless i am doing other dumb things (like ice racing a prius)

07-26-2011, 04:24 PM	#5 (permalink)
cossie1600 A True Z Fanatic Join Date: Jun 2009 Location: californee way Posts: 5,380 Drives: 370, Leaf Rep Power: 31	you forgot the part about wearing the hub and studs out

07-26-2011, 04:48 PM	#6 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141522

07-26-2011, 05:42 PM	#7 (permalink)
cossie1600 A True Z Fanatic Join Date: Jun 2009 Location: californee way Posts: 5,380 Drives: 370, Leaf Rep Power: 31	Spacers can wear out hubs too, same with heavy rims/tires.

07-27-2011, 01:33 PM	#10 (permalink)
Daishi9000 Enthusiast Member Join Date: May 2011 Location: Fresno Ca, Posts: 257 Drives: 370z Touring 6M PW Rep Power: 16	are the stock shocks and springs the same on a sport and non sport?

07-27-2011, 02:50 PM	#12 (permalink)
Daishi9000 Enthusiast Member Join Date: May 2011 Location: Fresno Ca, Posts: 257 Drives: 370z Touring 6M PW Rep Power: 16	Ok, thanks!

07-28-2011, 12:32 AM	#13 (permalink)
cossie1600 A True Z Fanatic Join Date: Jun 2009 Location: californee way Posts: 5,380 Drives: 370, Leaf Rep Power: 31	It depends on the local club. Our club doesn't allow R comps in stock class, but SCCA and most others will. The street/race tires from Bridgestone/Kumho/Nitto/Hankook/Yokomama are about 1.5-3 sec slower than A6s, but it will be way better than your stock or the stupid V12s or whatever. It's an expensive way to go, but the better tires are better than any stupid spring setup you are going to put in your car. I believe Tirerack tested a full spring kit, the car gained .4 sec on their 30 sec course or something, which is nothing compared to a set of decent tires.