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Old 03-11-2003, 04:02 AM   #1
suby2point5rs
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Default What is the Best Spring and Strut Combo???

I was wondering what you guys think is the best Strut/Spring combo would be for a reasonable price. I have been looking at the KYB AGX/Eibach Pro-Kit combo but was wondering if there was better out there for the money.
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Old 03-11-2003, 11:45 AM   #2
jdmimpreza
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Thats a good set up. I also like the p1 set up if I could afford it, its well worth the cost.
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Old 03-11-2003, 12:10 PM   #3
linsavy
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The KYB/Eibach set is about the best bang for the buck. To get better you will need to spend more. How much do you want to spend?
I am going with the AGX/P1 springs/sti top mounts aprox. $750
The version 5/6 combo is good. $800 plus $200 top mounts
Next is the Prodrive matched springs and struts approx. $1200
From there you are looking at coilovers, starting with Ground Control and up from there.
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Old 03-11-2003, 04:21 PM   #4
D-Speed 2.5
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I've got the KYB AGX and H&R combo for my RS. I love it. I got the whole thing from tirerack.com for around $660.
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Old 03-11-2003, 05:58 PM   #5
CosmoTheCat
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Quote:
Originally posted by linsavy
The KYB/Eibach set is about the best bang for the buck. To get better you will need to spend more. How much do you want to spend?
I am going with the AGX/P1 springs/sti top mounts aprox. $750
The version 5/6 combo is good. $800 plus $200 top mounts
Next is the Prodrive matched springs and struts approx. $1200
From there you are looking at coilovers, starting with Ground Control and up from there.
Hm. I'm thinking a good (matched) spring/strut setup would be better than the Ground Control stuff.
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Old 03-12-2003, 12:36 AM   #6
suby2point5rs
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Quote:
Originally posted by linsavy
The KYB/Eibach set is about the best bang for the buck. To get better you will need to spend more. How much do you want to spend?
I am going with the AGX/P1 springs/sti top mounts aprox. $750
The version 5/6 combo is good. $800 plus $200 top mounts
Next is the Prodrive matched springs and struts approx. $1200
From there you are looking at coilovers, starting with Ground Control and up from there.

I would like to know more about the Prodrive P1 set-up do you know some of the particulars. Like the kit that you can get from SPD is it adjustable (struts, camber or pillowball mounts, or any other.) I don't mind rough ride quality perfromance is key.
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Old 03-12-2003, 12:38 AM   #7
suby2point5rs
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Quote:
Originally posted by D-Speed 2.5
I've got the KYB AGX and H&R combo for my RS. I love it. I got the whole thing from tirerack.com for around $660.

Do you autoX and if so how is this set up.
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Old 03-12-2003, 03:11 AM   #8
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Quote:
Originally posted by horatio102


Hm. I'm thinking a good (matched) spring/strut setup would be better than the Ground Control stuff.
Or ground controls on some struts like KYB's like I have. Probably the best set up next to a full coilover system...
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Old 03-12-2003, 11:16 AM   #9
linsavy
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The Prodrive set up is neither strut rate adjustable nor camber/caster adjustable. It is just springs and struts. They did a bunch of testing to match them well. They are charging a premium for the R&D and Prodrive name, but from reviews it is worth it if you don't want to fiddle around with coilovers.
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Old 03-12-2003, 04:54 PM   #10
wistful
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I too have H&Rs and AGX struts. They're fantastic around the auto-x and on the track day that i've done with 'em. I like 'em.

Don
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Old 03-12-2003, 06:55 PM   #11
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One that few people mention, or know about I guess--and I recently just discovered myself--is the STi Tarmac set. www.rallispec.com sells them. Spring rates are SIGNIFICANTLY higher than the P1/Ver.5 setup. (For example the rear spring rate on my Ver.5 is like 190... with the Tarmacs, it's about 280. ) They're the Japanese autocross setup, basically.

I think Rallispec just sells the springs, but there's supposedly struts that were made specifically for that setup, as well. I'd definitely opt for the STi strut tops with those bad boys. I still want to get them myself, I'm using my OEM strut tops right now.
Didn't know about the STi ones when I got my Ver.5 setup.

Which was October of '01 and I still love it. I lucked out and got the struts before the price tripled, so mine were about $200 for the set of four.

-S2-
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Old 03-13-2003, 03:06 PM   #12
suby2point5rs
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I just want to thank everyone for their info on my question about a good strut spring combo. I think I am going to go with the Prodrive P1 set-up with Cusco pillow ball top mounts as long as they work with my Cusco strut tower braces. Also from Cusco I would like to get the lower brace. I also want to get Prodrive P7 wheels 17x7. I already have a 20mm rear sway bar. And I would like to upgrade, most of my bushings, the plastic sway bar hangers.


IF THERE IS ANYTHING ELSE I SHOULD BE THINKING ABOUT PLESE LET ME KNOW.

Any extra additons I sould make to the suspenion for the sole purpose of handling let me know.

Again Thanks to all who have contributed to my quest for info . Feel free to add anything else that may be helpful.
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Old 03-14-2003, 01:21 PM   #13
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I am going with the STI v5 struts and ground control coilovers....
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Old 03-14-2003, 03:33 PM   #14
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hm. I'm still not a fan of the whole idea behind Ground Control's psudo-coilovers because the seperate parts aren't engineered to work together. You take a strut or shock or whatever, just about any one you want (from the $15 auto parts store cheapo Buick OEM replacement on up) and slap a threaded collar on it with an Eibach spring. There's apparently no matching of bound/rebound to spring rates, and what's worse is that there's no matching of strut/shock length to the ride height/suspension travel. One of the reasons that coilovers are so expensive is the amount of development that goes into them. Anybody with access to a mill and some metal stock could easily create their own Ground Control knock-off and have the same results. As far as suspensions go you get what you pay for.
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Old 03-14-2003, 05:24 PM   #15
Keshav
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Am I the only one who likes the stock setup? After living with a first gen RX7 with a super-firm tarmac set-up for 11 years, I'm so happy with the RS's any-surface, any-time, any-speed versatility that it seems crazy to change it.

Do any of the aftermarket set-ups add anything useful without taking away the car's ability to tear over pot holes and uneven surfaces with reckless abandon? It just seems crazy to give that up and make a tarmac-only beast.

any no-compromise solutions out there at all?
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Old 03-15-2003, 02:41 AM   #16
Kostamojen
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Quote:
Originally posted by horatio102
hm. I'm still not a fan of the whole idea behind Ground Control's psudo-coilovers because the seperate parts aren't engineered to work together. You take a strut or shock or whatever, just about any one you want (from the $15 auto parts store cheapo Buick OEM replacement on up) and slap a threaded collar on it with an Eibach spring. There's apparently no matching of bound/rebound to spring rates, and what's worse is that there's no matching of strut/shock length to the ride height/suspension travel. One of the reasons that coilovers are so expensive is the amount of development that goes into them. Anybody with access to a mill and some metal stock could easily create their own Ground Control knock-off and have the same results. As far as suspensions go you get what you pay for.
Well I got a suspension that kicks the crap out of everyone without full blown coilovers, so I'm cool Ill gladly give you a ride in it anytime! And let you fiddle with the heigh adjustment, which I just did for the first time today (ya, I know, they were set up fine and I didnt feel like fiddling with them...)
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Old 03-15-2003, 02:59 AM   #17
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Quote:
Originally posted by Keshav
Am I the only one who likes the stock setup? After living with a first gen RX7 with a super-firm tarmac set-up for 11 years, I'm so happy with the RS's any-surface, any-time, any-speed versatility that it seems crazy to change it.

Do any of the aftermarket set-ups add anything useful without taking away the car's ability to tear over pot holes and uneven surfaces with reckless abandon? It just seems crazy to give that up and make a tarmac-only beast.

any no-compromise solutions out there at all?
I'd imagine the SPT setup would be good for that.

JC
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Old 03-15-2003, 11:02 AM   #18
suby2point5rs
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Keshav one goes into tuneing ones car to create it in the machine one wants. Soooooooo if that means giving up one thing for another then that is why. This is why I want the Prodrive P1 and others use what they use. In any part of tuning a car one gains one thing but loses another. i.e. upgrade exhaust, lose quiet ride.... Its all about the compromise.

Don't get me wrong the stock set-up is fine but it can get a bit sloppy in the turn and gives me that feeling. I need to have a stiffer feel to be comfortable.
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