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2005 - 2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

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My review of Koni yellows and Steeda Springs

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Old 10-16-2010, 05:04 PM   #1
Skullbussa
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Default My review of Koni yellows and Steeda Springs

After spending 5+ weeks evaluating suspension tweaks for the S197 on this forum and others, I decided to give Sam Strano a call and discuss my options with him.

My goal: To eliminate wheel gap without the slammed look; to tighten down the car and get rid of the bouncy ride; to make my car feel like an E92 (2008+) M3.

Sam gave me a list of options and probed me with further questions. Ultimately I decided to take a granular approach and stick with just shocks and springs and then do more things if that wasn't good enough.

I paid a local shop (Super Tune Performance in Stillwell,KS) to perform the work. I was charged $530 for all installation and alignment.

First, the appearance:

Click the image to open in full size.

(pardon the dirty car and bad photo - just bought a new Nikon D7000 and haven't figured it out yet)

I like the look of the drop. It's basically exactly what I wanted. I'm sure many people would say I should have dropped further but I wanted to maintain enough travel for the suspension and avoid the "low and flat" look where rake is eliminated.

Driving impressions:holy.....sh*t

My first reaction to driving my car was fury. Not because I was disappointed in the car but because I was disappointed in Ford. There is absolutely ZERO reason Ford should not include a suspension setup like this from the factory.

Before I say anymore, let me say that I have owned and modified cars for the past 15 years. This is the best modification I have ever had done to any of my cars.

The Brembo cars are the best handling Mustangs I have ever driven but they still weren't up to my standards: a little too bouncy, car takes a nosedive under heavy braking, far too much body roll, pleasantly soft but a little too vague. Not with the Koni Sport adjustables and the Steeda Sport Springs!

Bounce? Almost completely eliminated.

Nosedives? No more. When I hit accelerator now, the car just goes - I am no longer treated to a view of the sky.

Body roll? I am taking turns flat out at speeds much higher. Even the crappy Mustang seats are able to hold me in place now because I'm not rolling around in them.

Soft? Not any longer. I can feel what is under me now. But let me be sure to explain: this car is MUCH more comfortable to drive than it was before. Going over a pretty poor bit of highway on my daily commute I noticed how much better the car could tackle the road imperfections without punishing my back. I can feel that they're there, but it is much less annoying than before.

So for $1000 in parts and $500 in labor I have a car that is more comfortable to drive, much more FUN to drive, and makes my car look a lot better. I've spent a lot of time in the new M3 and while I still think that car "feels" better (probably due to much superior tire, seats, and steering rack) I think that my modifications have eliminated 95% of what I would consider a "fun deficit" between my car and the M3. Add that to a car that has a superior engine and a $30k cheaper pricetag, and I think this is the best performance bargain this side of a C6 Grand Sport.

Parts ordered:

Koni Adjustable Sports (Yellows) http://www.stranoparts.com/partdetai...199&ModelID=35

Steeda Sport Springs
http://www.stranoparts.com/partdetai...205&ModelID=35

GT500 Upper Strut Mount
http://www.latemodelrestoration.com/...P-Strut-Mounts

(I got the ones for 2010 and not 2011 - not sure what the difference is)

Note - I did not get an adjustable panhard bar as my car was not dropped low enough to require one.
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Old 10-16-2010, 06:02 PM   #2
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Okay I have to ask. But how can the ride both be stiffened, yet also let you feel less uncomfortable when going over semi rough patches of road?
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Old 10-16-2010, 06:44 PM   #3
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Nice! Thanks for the review + links.
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Old 10-16-2010, 07:46 PM   #4
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I'm glad I read your review! I have pretty much the same thing, waiting on the struts to arrive, before I install everything! Sounds like Sam steered you in the right direction. Now I'm really ready to get it all done!
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Old 10-16-2010, 08:06 PM   #5
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looks nice and thinking about getting those Koni as well..but have to say $500 to install those springs that is WAY over priced it is not a hard job at all.
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Old 10-16-2010, 08:56 PM   #6
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Awesome. I'm currently kicking this idea around as well. Was going to include the panhard and LCAs as well. Still unsure but mainly because of money.
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Old 10-16-2010, 11:34 PM   #7
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nice job
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Old 10-16-2010, 11:59 PM   #8
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I did the same install, Koni STR.T....Steeds HD Strut Mounts and the car is solid. Did it myself, took about 4 hours. Very impressed with the handling, it is however a bit more stiff and you feel more, as can be expected!
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Old 10-18-2010, 07:51 PM   #9
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Could you please post more photos from various angles? I'm about to pull the trigger on almost the identical setup from Sam. Why did you get the GT500 strut mounts and not the Sttedas?
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Old 10-18-2010, 11:35 PM   #10
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Quote:
Originally Posted by jsnyng View Post
Could you please post more photos from various angles? I'm about to pull the trigger on almost the identical setup from Sam. Why did you get the GT500 strut mounts and not the Sttedas?
I bet cause they are less expensive....if you feel the stiffness on some road surfaces, you'll wish had the Steeda HD strut mounts. Much better quality, and the also allow you to set the camber.
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Old 10-19-2010, 12:22 AM   #11
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Great review, I have the same setup and will back you up 100% on everything said. Koni FTW! I like to daily drive with them on full soft... rides better than stock (very similar to a BMW/M-Benz) and corners SO. MUCH. BETTER than stock. When you stiffen them up, the cornering ability is just unbelievable for a Mustang. Seriously. After almost a year, I still find myself in shock at how hard I can push it in a corner and it just keeps on gripping (credit BFG KDW's too). I can't even break the back end out now... I used to powerslide everywhere but now the car just STICKS! Sam was a great guy to deal with too.
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Old 10-20-2010, 07:29 AM   #12
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Quote:
Originally Posted by jsnyng View Post
Could you please post more photos from various angles? I'm about to pull the trigger on almost the identical setup from Sam. Why did you get the GT500 strut mounts and not the Sttedas?
I'm out of town at the moment but this weekend I can post some photos from different angles.

I went with the GT500 mounts because they were only $60 and the Steeda mounts do not fit the '11 GT's without parts salvaged from 2010 or earlier strut mounts. This was just too much hassle for me. The GT500 mounts work great, the alignment shop was able to get my car perfectly in spec with them and I didn't need the additional camber adjustment afforded by the Steeda HDs.
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Old 10-20-2010, 05:34 PM   #13
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How recently did you get the shocks? I've had a set on backorder since early September and was under the impression that they were going to be out of stock until mid November. I've got a 2006 but it looks like the parts are the same for both generations of cars.

That would be great if I can expect them next week rather than next month.
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Old 10-23-2010, 03:09 PM   #14
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BlackBetty:

I ended up purchasing the Konis through an alternative (more expensive) source. I believe Sam has these in stock now so I would definitely buy from him.

Here are additional pictures of my car. If you need another angle let me know.

Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.
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Old 10-23-2010, 03:32 PM   #15
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Thanks for posting your impressions and your car looks terrific! Nice to see there's an improvement in ride quality and handling over the Brembo package. Does anyone know how the STR.T compare to the sports and stock Brembo package in ride and handling? For example would the STR.T's be similar to the sport in the softest mode?
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Old 10-23-2010, 03:33 PM   #16
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And I wonder how this package compares to the Roush Stage 2 for the 2011 cars?
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Old 01-14-2011, 06:05 AM   #17
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I don't know why everyone says the Brembo suspension is bouncy. I loved mine in stock form, I thought it handled great. I just wanted the lower look I'm accustomed to. I took it on rough roads and the ride quality was great.
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Old 01-14-2011, 12:17 PM   #18
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Great writeup and pictures, I have 2011 3.7 and got my parts from Sam also. After talking to Sam I also changed my wheels and tires. On the same UPS scale my stock wheels and tires weight 56 lb new set 42 lb. This made another huge change in handling.
From a dead stop to turning or braking the car is at another level. So if you change wheels or tires I suggest you check there weight.

My suspension and wheels.
35mm) 1-3/8" x .25 wall Adjustable FSB (22mm) 7/8 Adjustable RSB
Steeda Sport Lower Springs 1" lowered front, 1 1/4 lower inch rear
Steeda HD Strut Mount Koni Yellow Adjustable Shocks/Struts F&R
Koning Zero-in Wheels (16.5 lbs) Corsa Sport AB
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Old 02-27-2011, 01:52 PM   #19
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Quote:
Originally Posted by Skullbussa View Post
After spending 5+ weeks evaluating suspension tweaks for the S197 on this forum and others, I decided to give Sam Strano a call and discuss my options with him.

My goal: To eliminate wheel gap without the slammed look; to tighten down the car and get rid of the bouncy ride; to make my car feel like an E92 (2008+) M3.

Sam gave me a list of options and probed me with further questions. Ultimately I decided to take a granular approach and stick with just shocks and springs and then do more things if that wasn't good enough.

I paid a local shop (Super Tune Performance in Stillwell,KS) to perform the work. I was charged $530 for all installation and alignment.

First, the appearance:

Click the image to open in full size.

(pardon the dirty car and bad photo - just bought a new Nikon D7000 and haven't figured it out yet)

I like the look of the drop. It's basically exactly what I wanted. I'm sure many people would say I should have dropped further but I wanted to maintain enough travel for the suspension and avoid the "low and flat" look where rake is eliminated.

Driving impressions:holy.....sh*t

My first reaction to driving my car was fury. Not because I was disappointed in the car but because I was disappointed in Ford. There is absolutely ZERO reason Ford should not include a suspension setup like this from the factory.

Before I say anymore, let me say that I have owned and modified cars for the past 15 years. This is the best modification I have ever had done to any of my cars.

The Brembo cars are the best handling Mustangs I have ever driven but they still weren't up to my standards: a little too bouncy, car takes a nosedive under heavy braking, far too much body roll, pleasantly soft but a little too vague. Not with the Koni Sport adjustables and the Steeda Sport Springs!

Bounce? Almost completely eliminated.

Nosedives? No more. When I hit accelerator now, the car just goes - I am no longer treated to a view of the sky.

Body roll? I am taking turns flat out at speeds much higher. Even the crappy Mustang seats are able to hold me in place now because I'm not rolling around in them.

Soft? Not any longer. I can feel what is under me now. But let me be sure to explain: this car is MUCH more comfortable to drive than it was before. Going over a pretty poor bit of highway on my daily commute I noticed how much better the car could tackle the road imperfections without punishing my back. I can feel that they're there, but it is much less annoying than before.

So for $1000 in parts and $500 in labor I have a car that is more comfortable to drive, much more FUN to drive, and makes my car look a lot better. I've spent a lot of time in the new M3 and while I still think that car "feels" better (probably due to much superior tire, seats, and steering rack) I think that my modifications have eliminated 95% of what I would consider a "fun deficit" between my car and the M3. Add that to a car that has a superior engine and a $30k cheaper pricetag, and I think this is the best performance bargain this side of a C6 Grand Sport.

Parts ordered:

Koni Adjustable Sports (Yellows) http://www.stranoparts.com/partdetai...199&ModelID=35

Steeda Sport Springs
http://www.stranoparts.com/partdetai...205&ModelID=35

GT500 Upper Strut Mount
http://www.latemodelrestoration.com/...P-Strut-Mounts

(I got the ones for 2010 and not 2011 - not sure what the difference is)

Note - I did not get an adjustable panhard bar as my car was not dropped low enough to require one.
When I first readed this article, I followed the link to late model restoration.com and it took me to the 2005-10 Mustang Ford Racing GT500 style strut mount # M18183A that where at $59.99, now they are not there, only the M18183C that cost $84.99, same thing in FRRP page. Do you thing the termination "c" one will be the same thing for mounting KONI shocks in a '11 GT Brembo?. At this time I'm not sure between the KONI STRT or the yellow-sport ones.
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Old 02-27-2011, 09:40 PM   #20
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I love the ride since I lowered my car.
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Old 02-27-2011, 09:40 PM
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