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Coilover Question..

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Old Feb 12, 2007 | 06:20 AM
  #1  
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Hey

I just have a quick question, currently I am running the JIC FLT-A2 coilovers on my Z. I have the car dropped quite a bit, as I prefer to eliminate the fender gap completely. The only thing is, my car rides extremely rough, even with the dampening turned down. I am planning to switch out these coilovers for another set of something softer.

I was thinking about going over to the TEIN Flex's, as per many members on the board have these. I was hoping if you guys could let me know if there are any other coilover that will hopefully improve my ride quality.

Thanks.
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Old Feb 12, 2007 | 07:01 AM
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Considering review's done since this boards inception in 03, the number one coilover product that comes to mind with comment's about harsh ride quality are the Jics you have. However, the second coilover product that comes to mind is the Tein flex with the current 12Kg rates. However, even the Jics have their friend's that will take it to the grave that the ride quality is just fine, you of course know the score. I highly recommend that you do a post in the regional forums requesting a ride along if your really considering the Flex setup. Other then that, Cusco Zero2's come to mind or maybe another ride along with a owner that has the Stance coilovers installed. I'd mention HKS, but they don't have a full height adjustment setup except maybe in Japan.

Another thought, contact Jic custome service and have a conversation about selecting 2Kg softer springs. The Flex coilovers can have 2Kg softer rates as something to add to that.
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Old Feb 12, 2007 | 07:36 AM
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How do you have it lowered? Do you have alot of pre-load on the springs or do you have no pre-load on the springs and adjusted the case length?
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Old Feb 12, 2007 | 11:14 AM
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I had these installed a professional shop. This is actually my 3rd set. I had them on my is300 and my S2000. In terms of preload, there is quite a bit, the shock body was adjusted and I couldn't tell you an exact amount of preload that is on them.

In the end, I am just looking for another setup than will reduce the road harshness that I keep feeling here in Toronto.

Thanks for the feedback so far.
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Old Feb 12, 2007 | 11:22 AM
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Well, if you have alot of pre-load on the springs, then you shorten the spring stroke is shortend and you will bottom out the suspension easier which will make for a harsher ride... as is, the spring stroke is short on those springs, and putting pre-load on them will make it even shorter...

you will want to set the suspension so there is no pre-load on the springs and just adjust the case length of the damper...

You may want to look into getting some other springs as mentioned above by the other poster...

You can also get some Progressive springs which will alow for smoother ride over small bumpy roads

Last edited by Jason@Riverside; Feb 12, 2007 at 11:28 AM.
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Old Feb 12, 2007 | 03:36 PM
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Thanks, for help.
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Old Feb 13, 2007 | 12:06 PM
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I switched from JICs to Tein Flex and never regretted it. My car is dropped about 1.5" if that helps. It feels more connected to the road, while the JICs felt like they were going to "skip" around corners, even on the softest setting.
I fiddled with them a lot and finally gave up.
Good Luck
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