RELEASED TODAY! Steeda's new lowering springs

[GG s550 GT]

Steeda released their new progressive lowering springs today. They give a 1.125" drop in front and 1" in rear.

I ordered a set. Ill let everyone know how they are after install.

http://www.steeda.com/steeda-mustang-sport-springs-progressive-2015-gt-v6-coupe-555-8210/

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[stang9779]

Ordered yesterday late afternoon.

Before and after pics are in post 129 at the link below.
http://www.mustang6g.com/forums/showthread.php?t=12996&page=8

 

[DR_]

Spring rates??

 

[rvlyssup]

Are CC plates needed?

 

[Schu]

Spring rates??

I've asked several times... no response. I doubt they are very aggressive or stray very far from OEM (maybe 18-25% stiffer if that) because of the stock damper being used. this makes a lot of sense until someone offers up a valvable damper that can handle higher rates.

 

[GG s550 GT]

I'm not sure. Steeda emailed me back when I had questions. There is also a sponsor on this forum somewhere.

 

[stang9779]

I'm not sure. Steeda emailed me back when I had questions. There is also a sponsor on this forum somewhere.

David@Steeda is on here. I believe he said the spring rates in a thread. I tried to find them and wasn't able to.

 

[SlimReaper]

Aren't these progressive springs?

 

[DR_]

Also, I see the V6 is same as the V8 and the Ecoboost has it's own part. Shouldn't the V6 be with the Ecoboost?

 

[Todd15Fastback]

The linear springs were confirmed to be 25% stiffer vs. stock PP by David.

I would assume these progressive springs when fully loaded/compressed would have the same rate as the linear springs. Just my assumption. But under normal driving situations, the progressive will ride a bit better vs. the linear ones.

 

[GG s550 GT]

The linear springs were confirmed to be 25% stiffer vs. stock PP by David.

I would assume these progressive springs when fully loaded/compressed would have the same rate as the linear springs. Just my assumption. But under normal driving situations, the progressive will ride a bit better vs. the linear ones.

That's good to know. The pp springs are stiffer than what I've been use to, but for less body roll and taking care of wheel gap it'll b worth it.

 

[Todd15Fastback]

I get my progressive springs installed tomorrow by Steeda. Will post feedback for everyone once I get back home.

 

[olaosunt]

I get my progressive springs installed tomorrow by Steeda. Will post feedback for everyone once I get back home.

Thanks man.
Looking forward to pictures and your review.
From the photo on the website ,the drop looked more than the 1.125 advertised .

 

[GG s550 GT]

Mine arrived today after being shipped yesterday. If I knew they were in GA I'd have just gone there myself. Going to install next week most likely.

 

[Todd15Fastback]

Here is more information from David that he posted in another thread:

Happy to provide additional background info.

Steeda’s progressive lowering springs for the S550 use a dual-rate spring with two linear rates connected by a rate transition range. What does this mean to our customers? In short, it means the springs are more predictable and easier to tune.

Our progressive springs were designed and tuned for a setup consisting of one to two people at 200 lbs each with a full tank of gas in the car. From our experience, a linear spring doesn’t provide as much roll control as a progressive spring. Think of our progressives as a high-tech dual-rate spring.

Spring rates - our progressive springs are 10% stiffer than the PP springs at curb and provide a 40% increase in roll stiffness over the PP springs when you lean into it and the spring compresses.

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