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Old 02-22-2020, 09:47 AM   #1
Smunczen
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Default ST coilovers

Anyone running a set of ST coil-overs on the 15+ STI?
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Old 02-22-2020, 12:30 PM   #2
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I have not put a set on a 15+ specifically that I can recall off the top of my head, but I have done many a set on many a previous chassis.

Given the similarities for mounting on this chassis compared to the 08-14, and given than the new chassis is stiffer than the old 08-14 chassis the ST setup would make a fine basic entry level coilover...

PROVIDED!! You are not slamming the car. The ST setup, like many other decent setups, are not built for slamming the car, but built to improve handling performance. With that suspension travel is a critical portion of handling performance. You actually need things to move, and you need things to move and be controlled (damped) in a proper manner.

Other brands you may want to consider that fall into the entry level area and where I have experience are:

Feal 441
KW V3
I can halfway recommend the Fortune 500 setup. I have not been impressed when they first entered the market, BUT since they have they have worked very hard to improve the brand and the product they are offering. My half way comes from watching the work they are doing, and looking at the data they are providing. Sadly, I have not spent an decent enough time driving them in all conditions to make a 100% recommendation. Perhaps I will try out a set for longer than install, align and adjust at some point, but that is yet to be seen (plus I'll need a running car for that, but it seems I'm too busy fixing everyone else's car to have time to actually work on my own).

Now, if your intention is to slam the car I can provide no good feedback really.
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Old 02-22-2020, 04:29 PM   #3
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Pretty thorough article about STs on an earlier WRX -

https://motoiq.com/wrx-gets-st-suspensions-upgrade/
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Old 02-23-2020, 09:37 AM   #4
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Not looking to super lower the car. Just improve the handeling and lower a bit. I did ordered them. I got them a really good price. I looked at several brands and feel these would be fine for what I was looking for.
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Old 02-23-2020, 09:41 AM   #5
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Thanks for the link.
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Old 02-23-2020, 10:52 AM   #6
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Quote:
Originally Posted by Smunczen View Post
Not looking to super lower the car. Just improve the handeling and lower a bit.
Can you identify more specifically what you want to improve here? FWIW, roll per se isn't as bad of a thing as people make it out to be, and you wouldn't want to eliminate all of it even if you could.

It's probably best to focus on handling and choose less lowering rather than more.


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Old 02-24-2020, 06:41 AM   #7
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I think my focus is to improve the handling of the car. Iíve had the car almost a year and wanted to see if I was ok with the stock setup. I donít daily drive it,
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Old 02-24-2020, 11:05 AM   #8
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OK. So what behaviors would you like improved?

Less nose dive under braking would be springs, less roll in the corners would be sta-bars first and springs second, and better all-around composure would be shocks & struts.

Personally, I feel that people think that roll is bad and that they need to reduce it as far as possible Mostly, they aren't accustomed to getting much roll because they rarely drive any car hard enough to get much. So when they actually do drive hard enough it feels much worse to them by comparison.


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Old 02-25-2020, 10:19 AM   #9
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Just some improved handling on the street and a little lower to decrease the tire body gap nothing crazy.
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Old 02-25-2020, 10:42 AM   #10
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Just some improved handling on the street and a little lower to decrease the tire body gap nothing crazy.
I'm trying to get you to describe what you mean by 'improved handling' in more detail than simply wanting 'something better' without knowing what 'better' might be.

Improved means there must be something about the handling right now that you aren't happy with. Something that needs to be fixed. Maybe it's something that the car is doing that you don't want it to be doing, or maybe it's not doing something as well as you think it should. What are the 'somethings'?

If you can't identify what it needs now, how will you know the car's handling got any better for you and your driving after you've changed a few things?


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Old 02-25-2020, 03:10 PM   #11
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Quote:
Originally Posted by Norm Peterson View Post
I'm trying to get you to describe what you mean by 'improved handling' in more detail than simply wanting 'something better' without knowing what 'better' might be.

Improved means there must be something about the handling right now that you aren't happy with. Something that needs to be fixed. Maybe it's something that the car is doing that you don't want it to be doing, or maybe it's not doing something as well as you think it should. What are the 'somethings'?

If you can't identify what it needs now, how will you know the car's handling got any better for you and your driving after you've changed a few things?


Norm
your going to far into this. Your not tuning his suspension at all. Leave it alone. He wants something better then stock. The ST are a great choice for that price point. Stoked you got a good set of coilovers bro. Enjoy them
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Old 02-25-2020, 03:49 PM   #12
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Stoked you got a good set of coilovers bro.
He doesn't have them yet, else he'd have posted about getting them somewhere. He hasn't . . .


The lowering part I get (though I might not agree about how much lowering should be considered for a street-driven car). If he really wants to improve his car's handling and isn't just saying he does, it only makes sense to first determine what about the car's present handling he thinks needs improvement.

No matter what he chooses to change in his car's suspension, he'll be re-tuning it from where Subaru set it. He might as well make his choices for the right reasons and not just because there's some money burning a hole in his pocket.


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Old 02-25-2020, 04:54 PM   #13
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I did get them today. Very nice quality I must say. Now I need to figure what ride hight I want to set them at. As far why I would like to swap the stock struts and springs. Iíve had the car for a year now and 2300 miles. So I didnít just jump right in to replace them. The factory setup is a just a good compromise for most people. Iím just looking to improve the handling and get rid of some of the tire gap. The last set of coil-overs I bought were 20 years ago for my 90 Corrado g60 and they really improved the handling. They were bilstien PSS.
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Old 02-25-2020, 09:14 PM   #14
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Quote:
Originally Posted by Smunczen View Post
I did get them today. Very nice quality I must say. Now I need to figure what ride hight I want to set them at. As far why I would like to swap the stock struts and springs. Iíve had the car for a year now and 2300 miles. So I didnít just jump right in to replace them. The factory setup is a just a good compromise for most people. Iím just looking to improve the handling and get rid of some of the tire gap. The last set of coil-overs I bought were 20 years ago for my 90 Corrado g60 and they really improved the handling. They were bilstien PSS.
Front 14" from wheel center to fender edge measured at 12 o'clock
Rear 13.5" same method of measurement.

Adjust from there.
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Old 02-25-2020, 09:58 PM   #15
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Quote:
Originally Posted by Turn in Concepts View Post
Front 14" from wheel center to fender edge measured at 12 o'clock
Rear 13.5" same method of measurement.

Adjust from there.
They should come with installation instructions for their heights . Low and highest . Stay within that and you should be golden
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Old 02-26-2020, 09:10 AM   #16
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Correct they did. I just need to choose what height I want.
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Old 02-26-2020, 09:58 PM   #17
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Quote:
Originally Posted by bmxhotsauce View Post
They should come with installation instructions for their heights . Low and highest . Stay within that and you should be golden
Bro, he's already golden. The STs are gold colored!

OP, figure out how much lower you want to be, then Google what "rake" does to ride characteristics. That will let you know if you want the rear lower, per TIC's recommendations, or something else.
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Old 02-27-2020, 07:15 AM   #18
Norm Peterson
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Quote:
Originally Posted by Smunczen View Post
Correct they did. I just need to choose what height I want.
I suggest starting out closer to the least amount of lowering rather than up around the most possible. Suspension geometry and your ability to judge clearance over speed bumps and such will be better for this. Don't give away too much function for appearance.


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Old 02-27-2020, 07:26 PM   #19
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I agree with with a little lowering as I can stand.
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