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Old 07-16-2008, 10:26 PM   #1
McFly2003
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Default KSport coilovers...yay or nay???

so i need to replace the struts on my 98 gt as my inspection is due next month and there's no way mine will pass. since i want to lower the car anyway, i figured, why not now?.....so i was talking to a friend of mine who owns a local shop and he was telling me he can get me a pretty good deal on a new set of ksport kontrol pros. i wouldn't mind going with coils but i have never heard of ksport and know next to nothing about them. anyone out there have any experience with the brand?

if they dont work out, he can also hook it up with kyb and eibach so im not worrying to much
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Old 07-16-2008, 11:12 PM   #2
Huffer
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Good luck with the hook up on Eibach - they've discontinued spring manufacture for the BD/BK/BG.

KSport get mixed reviews. Some people do really well, others not so much.
I would probably get them if they were a decent bargain, sub $1000.
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Old 07-17-2008, 11:32 AM   #3
kumanchu
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the ksport's have been commented on a bit in the suspension forum. most people have found the ride to be extremely harsh, and handling to be mediocre. on top of that they have little to no quality control of the valving/pressure of the struts.

it would probably be best to go the kyb~eibach route.
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Old 07-17-2008, 12:59 PM   #4
McFly2003
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yeah, the deal im getting is around $900 shipped for a brand new set. as far as the ride quality, that is quite important to me...that and longevity. i guess i just figured that the adjustable dampening would help?
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Old 07-17-2008, 01:39 PM   #5
fastenova
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I've heard some bad things about cheap coilovers from friends who've bought them. As mentioned above, if the valving isn't quality, they won't be consistent or dependable. Personally I wouldn't get a new set of coilovers for our cars for anything less than ~$1500 as I'm not sure I'd be happy with the quality.

And most all coilovers are stiff, even with the dampening turned down. It's a stiff ride, for sure. Progressive springs and aftermarket struts are a good bet, either GR2s or AGXs with WRX tophats, if you want some adjustability. AGXs will be stiffer and cost a bit more.

Aaron
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Old 07-17-2008, 01:42 PM   #6
Huffer
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AGX's are **** for adjustability. Don't believe the hype.

Very few adjustable shocks are actually tuned correctly, in matched sets.
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Old 07-17-2008, 01:53 PM   #7
fastenova
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Quote:
Originally Posted by Huffer View Post
AGX's are **** for adjustability. Don't believe the hype.
Compared to what? Adjustable coilovers? Absolutely! But compared to static dampening, I'd think they are a step up.

Then again, this is NOT from personal experience. This is from technical specs... and teh Internet so I must be right

I'm pretty happy with GR2s and progressive rate lowering springs
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Old 07-17-2008, 02:07 PM   #8
Huffer
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Adjustable shocks are supposed to be manufactured in sets. The valving for each shock varies quite a bit. You can dyno a shock and see that even 4 shocks from within the same manufacturing batch will vary in terms of their rebound etc.

The valve adjustment on the AGX's is shown to be unreliable and that on a shock dyno the adjustment from full hard to full soft can be quite different, or very similar depending on the individual shock. That's not right.

Full on race teams will have rebuildable and revalvable shocks - for the rest of us we have to live with the possibility that our left rear shock isn't quite the same as the front right.

Unless you have Bilsteins, in which case they can be rebuilt to spec.

Read around teh intarweb...the info's out there.
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Old 07-17-2008, 02:41 PM   #9
fastenova
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Quote:
Originally Posted by Huffer View Post
Adjustable shocks are supposed to be manufactured in sets. The valving for each shock varies quite a bit. You can dyno a shock and see that even 4 shocks from within the same manufacturing batch will vary in terms of their rebound etc.

The valve adjustment on the AGX's is shown to be unreliable and that on a shock dyno the adjustment from full hard to full soft can be quite different, or very similar depending on the individual shock. That's not right.

Unless you have Bilsteins, in which case they can be rebuilt to spec.
Good to know. I'm sure stock struts have the same issues. But besides spending several thousand dollars on matched coilovers, or bilsteins with matched valves, we might have to deal with that difference, like you said.

The OP wasn't talking about race struts if he was even considering KYBs, so I assume it's a non issue for his intentions.

Besides the obvious potential performance differences between F/R and L/R, as long as the valving is consistent for each shock (not between shocks) and the driver is aware of the how the vehicle handles at speed, that would all be considered in their driving style - i.e. they can take left turns a hair faster than right turns, but only when braking, not when accelerating - and are correctable by compensating.

Are there any low-cost options for shocks/struts that are manufactured or sold in sets? I'm somewhat doubting it, based on the much higher quality control that would be necessary. But I'd love to know if there IS an option under 1K that would give reliable, consistent dampening.
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Old 07-17-2008, 09:23 PM   #10
McFly2003
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lot of feed back here, i like it. as mentioned above, i am not looking to supply a race car here. the car is my daily driver so whatever i get, i would like it to not only perform well, but last for a good while and be affordable. this said, yes, i am looking for a much lower stance(1.5-2 inches) and i am looking for improved handling as i do partake in some occasional spirited driving and track days at VIR and summit point.

I am also aware of the fact that if i get impreza top hats, my choices broaden exponentially, however, i am do this on a pretty tight budget and a good set of tophats will most deffinately push me over my limit if purchased with the springs/struts
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Old 07-18-2008, 09:05 AM   #11
Huffer
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Quote:
Originally Posted by fastenova View Post
But I'd love to know if there IS an option under 1K that would give reliable, consistent dampening.
JDM Bilsteins.
They are better dampers than KYB and they are rebuildable for under $100 per strut.
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Old 07-18-2008, 11:01 PM   #12
ballitch
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^^^^ very good to know. How much are the JDM Bilsteins(out the door), and how available are they?

Too bad about the agx's, even though they dont make them for my car, I guess I'll have to go the route fastenova did. The stock tired struts are showing there age with 115k on the odo.






~Josh~
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