What's the best coilovers for best ride?

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Old 12-13-2009, 06:16 PM
  #16  
classy37
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Originally Posted by Black Betty
I doubt you'll find anyone who has had more than one on their G37 so nobody has a good objective frame of reference to compare one to another. All any of us will know is what we've used.
Thank you. I wish people would give this disclaimer before proclaiming this or that is best, which is all the time on the forums.
Old 12-14-2009, 10:03 PM
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xyz
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Originally Posted by Stoof@180Custom
I heard the Tanabes are a good ride, but i just recently saw them on a car and saw they werent dampening(stiffness) adjustable, and you adjust the height by compressing the spring. Which means when you adjust the height its also changing the stiffness.
I might be wrong but I thought the dampening of the struts and the stiffness of springs are 2 separate things; and adjusting the height does not affect the stiffness of the springs . . . experts care to chime in?
Old 12-15-2009, 01:14 PM
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san~man
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Originally Posted by xyz
I might be wrong but I thought the dampening of the struts and the stiffness of springs are 2 separate things; and adjusting the height does not affect the stiffness of the springs . . . experts care to chime in?
Certain brands of COs (JIC, BC, some others) have the ability to adjust the height without changing the spring rate (i.e. compressing the spring).

If you look at the JIC, the threaded body inserts into strut on the bottom portion of the assembly. The lower red aluminum ring is what secures the height once you set it. By loosening the red ring, you can raise/lower the height as you see fit. If you see this type of construction, then the unit is height adjustable independent of the spring rate:

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On the Tanabe unit, there is no such mechanism to make adjustments:

Old 12-15-2009, 01:49 PM
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philter25
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^ Is the tanabe a progressive spring? If so with the tanabe, would it be the more you lower your car the stiffer the spring will be?
Old 12-15-2009, 04:59 PM
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G_rev
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I believe they're not... for the most part. More linear...

I think you can also change the springs by getting the pro210 series.
Tanabe USA Inc. - PRO210 Max Custom Springs
Old 12-16-2009, 12:36 AM
  #21  
san~man
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Originally Posted by philter25
^ Is the tanabe a progressive spring? If so with the tanabe, would it be the more you lower your car the stiffer the spring will be?
No / yes
Old 12-16-2009, 12:58 AM
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STOOF
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Basically the way the tanabes work is you adjust the height by making the spring longer or shorter.

Any good quality coilover will allow you to adjust the height without adjusting the spring. And will have internal dampening adjustment.

I was considering going with the Tanabes for temporary but after i saw how they work i immediately scratched that decision.

Honestly if i was gonna do coils as inexpansive as possible, id get the BCs. Def best bang for the buck.
Old 12-16-2009, 03:29 AM
  #23  
xyz
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Thanks for clearing things up guys!
Old 12-16-2009, 08:28 AM
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philter25
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Maybe I havent seen enough coilovers, but I have never seen one with that type of design where changing the ride height effects the spring.

I was unaware of that with the Tanabes.
Old 12-16-2009, 09:31 AM
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Kidcane
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^^Yeah that blows.
Old 12-16-2009, 11:10 AM
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Lou@Amplified
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I'm NO expert with suspension but I think I can chime since we have basically installed almost every single coilovers available for the g37. I myself have tried 3 of them already on my G37. JIC, CKS, TEIN and test drove a G37 with KW V3'S

The TANABE and KW'S height adjustment are both done via the springs. The threads are on the sturt body it self and the spring purch can be raised or lowered to desired height. The main difference between the two is that the KW'S have dampening and rebound adjustments to fine tune the stiffness and the rebound of the sturt, depending on the users liking. The internal design and valves are compeletely different on both. They are both progressive spring design so adjusting them higher or lower does not affect the spring rates. So technically, the spring length dose not change on both.

Since the KW's have dampening adjustments, you can actually set it all the way to the softest setting and it will ride like a caddy or a boat, but you have that option as for the tanabe's SUSTEC PRO OC are only slightly stiffer than the OEM but does not have dampening or rebound adjustability.

As for the the JIC'S, CKS, TEIN coilovers are different, The main adjustment for height is recommended to be adjusted through the strut body. The lower part of the strut has a threaded cup for height adjustment . You can actually change the pre-load (but not recommended unless your know what your doing) to make it even stiffer and it also changes the ride height a little.
They were designed so you can totally fine tune your suspension if you ever thing about doing some serious track events but the system itself is very streetable thats why dampening adjustments is very important to some.


I've had the JIC'S for more than a year and i have played around with the settings a lot to fine tune it and get it to very compliant daily driving for my taste but good enough for your occasional canyon run. I've even tried changing the dampening to 4 clicks from the softest and i found that the ride quality was very close to stock.(too soft for me)

I've also tried the CKS true coilovers and they were great but the true coilover design on the rear put a little too much stress on the chassis and made it creek. They will be offering these in the conventional setup and i'm waiting to try them once they are ready. These will suit the more track minded users.

As for the OP, your PM stated you wanted 99% street drivable coils, my recommendation is the TANABE'S SUSTEC PRO OC.

xyz, hope this helps

lol sorry if there's a few grammar mistakes... i haven't slept yet

Last edited by Lou@Amplified; 12-16-2009 at 10:14 PM.
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Old 12-16-2009, 12:30 PM
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g37mobbber
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thanks for the input lou!! helps a lot
Old 12-16-2009, 01:50 PM
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Black Betty
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Thank you Lou for chiming in with some actual knowledge of what you are talking about. It's a great help to dispel the vast misinformation and assumptions being spread here.
Old 12-16-2009, 05:13 PM
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IvoryG
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Lou, how do you like the Tein's?
Old 12-16-2009, 10:22 PM
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Lou@Amplified
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Originally Posted by IvoryG
Lou, how do you like the Tein's?
Tein's we had was a prototype. Its was designed to be stiffer than production but it was great. I just didn't like the color


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