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Old 07-12-2016, 06:13 PM   #21
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Originally Posted by drizzay222 View Post
How heavy is your car? I've had good experience with 800/500 and 225 Rival S on MSM with full Interior. I called 949 before I ordered and after describing my car and intention to have a decent autocross/street-able car was recommend that spring rate. I thought that might be too much when I ordered but was surprised how well they ride. Overall stiffer, harder, and more communicative on street (isn't that why we get them) but actually takes potholes better in the sense that the car feels less fragile and unsettled than the original bilsteins. Setting dampers at 6 or 8 on street can handle some rough roads and that's with a pretty low 4.25 pinch weld height. You might want to contact 949 and describe your vehicle and intentions and see what they recommend.
I'm definitely not stripped down, but I've done a 1.6 dash swap, so dropped quite a bit of weight there, removed the soft top. However, I added door bars, butterfly brace, Blackbird GT3, etc. I'd say I'm close to the stock 1994 weight, if just over.
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Old 07-12-2016, 07:29 PM   #22
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The reason many of us recommend higher spring rates, is because we are very travel limited.
By choosing a higher spring rate, which I'm glad you did, you keep off of the bump stops, and let the shocks do their job.
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Old 12-07-2016, 03:35 AM   #23
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Would love to hear how are they working.

Based on my experience, presently on 700/450, and having owned 450/300, and few more on Miata specifically, not to mention many other cars with nice suspension...
To recommend 700/450 for California backroad boggles the mind.

Maybe physics was bent, and new rules written, rather than challenge based on own experience and experience of many more, I am keeping an open mind and eyes wide open.
Chiming in for feedback how do the coils work so far on bumpy roads? Especially when aggressively driven.

Thank you.
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Old 12-07-2016, 08:22 AM   #24
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Originally Posted by alpinaturbo View Post
Would love to hear how are they working.

Based on my experience, presently on 700/450, and having owned 450/300, and few more on Miata specifically, not to mention many other cars with nice suspension...
To recommend 700/450 for California backroad boggles the mind.

Maybe physics was bent, and new rules written, rather than challenge based on own experience and experience of many more, I am keeping an open mind and eyes wide open.
Chiming in for feedback how do the coils work so far on bumpy roads? Especially when aggressively driven.

Thank you.
Are your expectations such that that all suspension systems are the same, therefor should use similar rates?
Or that on specifically a Miata, all dampers are the same?

To me, the Xidas running 800/500 are more comfortable than the tokico illuminas with FM springs.

Last edited by psyber_0ptix; 12-07-2016 at 08:35 AM.
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Old 12-07-2016, 09:04 AM   #25
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Originally Posted by psyber_0ptix View Post
To me, the Xidas running 800/500 are more comfortable than the tokico illuminas with FM springs.
This is interesting to hear. I have both Gen2 Xida with 700/400 and illuminas/FM springs on 2 of my cars. I need to do a back to back drive one day to see which one I prefer on the street.
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Old 12-07-2016, 09:21 AM   #26
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The XIDA is noticeably stiffer, but the Tokico's where just harsh in comparison. They where used, but was still in fantastic condition (Thanks Vlad) but I never knew until I switched. Next time you're up in the area, feel free to test drive my car. Though it'd be winter mode and I don't know how comfortable I feel about these rates on snow tires.

I thought about getting swift springs in the 750/450 area but honestly, I have no regrets because it felt great on 245 VR-1's
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Old 12-07-2016, 03:53 PM   #27
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Totally apples to orangutans but after getting my Miata (XIDA 800/550) on the road a couple weeks back and after driving it back to back with my stock Fiesta ST on the same roads - my Miata feels LESS violent on bumps than my Fiesta, but to be honest that has a lot more to say about the tires and the sidewall height and perhaps the quality of the damping than spring rates.

I'm also interested to hear Astral's thoughts post installation. In retrospect I probably should have gone 700/400 (just because I don't race other than autocross) but I am perfectly happy with my choice as it stands.

Last edited by Chiburbian; 12-07-2016 at 04:15 PM.
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Old 12-07-2016, 08:23 PM   #28
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Originally Posted by Chiburbian View Post
Totally apples to orangutans but after getting my Miata (XIDA 800/550) on the road a couple weeks back and after driving it back to back with my stock Fiesta ST on the same roads - my Miata feels LESS violent on bumps than my Fiesta, but to be honest that has a lot more to say about the tires and the sidewall height and perhaps the quality of the damping than spring rates.

I'm also interested to hear Astral's thoughts post installation. In retrospect I probably should have gone 700/400 (just because I don't race other than autocross) but I am perfectly happy with my choice as it stands.
If you want to swap shoot me a message. I just picked up a used set of Xidas with 700/400 rates and probably should go stiffer based on running 100tw tires.
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