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Nickel Quimada
TryHard
Western Australia
GT-T

Posts: 299
Reg: 04-2006

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Thursday, October 09, 2008 - 11:51 pm, by:  Nickel Quimada (Pinoy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Will be after a set of coilovers or new spring/shock combo in the near future and are asking peoples opinions on what to look for etc. Have looked into some old post but hopefully more people have converted and can share their experiences. Just a question on specs with coilovers spring rates. Does a higher spring rate as with the one on top mean a harsher ride or softer? Basically what do the numbers mean.

Spring rate F: 14.0 kgf/mm R: 8.0 kgf/mm.
Spring rate F: 10.0 kgf/mm R: 6.0 kgf/mm.
Matt Petersen
TryHard
NA
V8

Posts: 292
Reg: 01-2008

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Friday, October 10, 2008 - 04:39 am, by:  Matt Petersen (Mattmannz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

The higher the spring rate the stiffer the spring.

I have 10/6 in my Tein's and I wouldn't want to go any stiffer. If you track your car then possibly but for a daily driver I can't see why you would want to go harder.

If you don't want adjustability then I think it's hard to beat the Bilstein shocks with either Eibach or H&R springs.

I have adjustable Tein's but never adjust them and they are set at about the same height as lowered springs. The Bilstein shocks are one of the best out there.

Matt.
Justin Camilleri
DieHard
QLD
Had a 85 MZ10, 92 TT, Now 91 TT

Posts: 847
Reg: 07-2005

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Friday, October 10, 2008 - 05:17 pm, by:  Justin Camilleri (Just) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Matt would you still go any lower than 10/6 if you had too. Is it comfortable ride?
Matt Petersen
TryHard
NA
V8

Posts: 293
Reg: 01-2008

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Friday, October 10, 2008 - 05:52 pm, by:  Matt Petersen (Mattmannz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

You can't lower the vehicle and have soft springs otherwise the suspension will bottom out too much.

Over rough broken terrain the suspension can be harsh but a good quality shock absorber and a full set of arm bushes will reduce that as much as possible.

Whilst I would possibly go slightly lower in the front, I would definitely bottom out too much.

Matt
Brett Harris
Tinkerer
NSW
2.5TT

Posts: 8
Reg: 09-2008

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Friday, October 10, 2008 - 09:44 pm, by:  Brett Harris (Stay_beautiful) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have Tein coil overs on mine(on when I bought the car), how can I tell what ratings the springs are as they seem to hard?.
Matt Petersen
TryHard
NA
V8

Posts: 295
Reg: 01-2008

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Saturday, October 11, 2008 - 06:17 am, by:  Matt Petersen (Mattmannz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

They don't stamp the rate on the springs anywhere that I could see.

The only way would be to measure the rate in a machine.

If you have adjustable shocks make sure you wind the settings to soft and then adjust upwards from there. The shock settings will make a massive difference to the ride quality.

Matt
Ben Socratous
Goo Roo
SA
I am the fibreglass/kevlar/carbonfibre king!

Posts: 1853
Reg: 07-2005

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Saturday, October 11, 2008 - 09:02 am, by:  Ben Socratous (Socrates) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Matt Petersen wrote on Friday, October 10, 2008 - 04:39 am:

I have 10/6 in my Tein's and I wouldn't want to go any stiffer.


Pending your driving style of course! I'm putting tein slinkies (13kg & 8kg) on bilstien struts when my new motor goes in. I've got king springs in now (7kg & 4.5kg I think?) and it is sloppy as all hell though the hills.

Basically it boils down to this, you can have a comfortable ride OR you can gave great handling. I've driven a lot of cars with a lot of different springs rate, and if you really push your car, then you can't have both!
Dave Cazes
TryHard
sa
tt

Posts: 215
Reg: 08-2007

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Sunday, October 12, 2008 - 08:43 pm, by:  Dave Cazes (Cazman) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

kings are 6.7 and 3.4.
tein s techs are 13.7 & 6.7, very comfy in reallity and esxtremmely stable, but for serious track only or drift you need slighly stiffer.

Link here on your BEST option
http://www.nissansilvia.com/forums/index.php?autocom=ibwiki&cmd=article&id=299

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