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Old 11-04-2011, 04:49 AM   #1
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lowering springs

Can I lower the 5.0 with just springs? I know there's a lot of supplement parts that should go along with it but I'm curious if there are any performance issues or longevity issues with just putting some springs on and being done with it.

I'm looking at a 1.5 inch drop
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Old 11-04-2011, 08:31 AM   #2
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In theory, yes. I believe it depends on the springs, but I know for a fact that the ford racing springs don't seat properly on the stock strut mounts. Gt500 strut mounts are cheap and get the job done. You can pass on them, but may have issues down the road.
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Old 11-04-2011, 09:20 AM   #3
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Re: lowering springs

Short answer: Yes.

However, you will ultimately run into the following issues:
1. Lowered cars on stock wheels generally don't look right as the wheel isn't wide enough to fill out the fender well.
2. Stock shocks will ultimately wear out prematurely.
3. Depending on the drop, the front end will "sag" and result in some negative camber, leading to uneven tire wear.
4. Check spring rates & for progressive springs that allow for a more comfortable ride.

I run H&R Race Springs on my 05 which I think are between 1.5" & 2" drop with Koni Adjustable Shocks. My only camber adjustment is in the shock perch themselves; I have them notched to allow for adjustment as I was limited by class rules; I have my front set at 1.6 degrees of negative camber on purpose. The rearend will not have any camber issues as they as a solid axle.

My recommendation & what you will likely hear is that as the very least you should get some camber plates in conjunction with lowering springs. Shocks are optional but highly recommended.
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Old 11-04-2011, 02:22 PM   #4
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Re: lowering springs

I have H&R race springs and only thing needed was adjustable panhard bar. Anything dropping the rear over 1" you will need it. I am still on stock shocks as well. I don't need camber plates either. I have a slight in angle in the front that you can't even tell unless looking for it. But also camber bolts will fix it. I already looked into it.
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Old 11-04-2011, 07:56 PM   #5
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Re: lowering springs

Awesome thanks for all the info guys... the list is starting to add up,

gt500 strut mounts
camber plates for front only
adjustable panhard bar (what is that by the way?)
and then the springs

And after all that it wont look right with stock wheels lol
probably gonna wait for some 20x10s to go with it all.

So it just went from about $200 to about $2000

Another mod thwarted for the moment haha
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Old 11-04-2011, 09:57 PM   #6
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Just so u have an idea what stock wheels look like after a drop... Panhard bar is for when u drop the rear more than an inch, the whole axle will shift to one side more than the other.... It won't affect the alignment... But it looks kinda wierd especially if your a perfectionist
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Old 11-04-2011, 11:59 PM   #7
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Re: lowering springs

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Originally Posted by stangaroo View Post
So it just went from about $200 to about $2000
You'll have that ... at least you found it out before you slapped 1/10th the parts on
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Old 11-05-2011, 07:58 AM   #8
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Re: lowering springs

Its all going to depend on the springs you use. As mentioned the Eibachs and H&R's don't need the GT500 strut mounts. Also did I need the camber plates. Just the panhard bar.

As mentioned the axle will shift to one side. Most shift about 1/4-3/4 of an inch.
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Old 11-05-2011, 03:58 PM   #9
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I have the FRPP 1.5 inches drop springs on my 2011 5.0 there is a slight sag in the front and eventually(probably Christmas) I will be buying maximum motorsports caster camber plates. But for a short time you should be fine without them. My camber was barely out of spec when I went to get it aligned so as long as you don't drive forever you should be good
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Old 11-05-2011, 04:01 PM   #10
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Here's the difference in stock front spring and new one
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Old 11-05-2011, 04:05 PM   #11
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My car is a daily driver... Plus 230 every weekend to visit my family. I too have the H&R springs... And when I had the work done the guy told me as long as I am not driving it long distances I will notice tire wear however it won't be drastic. Obviously that was before I knew I would be doing the weekend commute. So at the 18,000K mile mark.. While replacing the clutch, I also had the camber plates put on and two new tires... So if you ask me... It is a matter of pay me know... Or pay me later... But either way you are going to pay..... Do it once and say on the labor .. It you ask me. Oh.. Since that time... I have 26K on it... And the wear is perfect... Go figure..
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Old 11-05-2011, 06:24 PM   #12
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If you are paying to have them installed I totally agree go ahead and get the camber plates but if your like me and have the ability to do it yourself then your not paying for labor anyways
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Old 11-05-2011, 07:54 PM   #13
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Re: lowering springs

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Originally Posted by SLDGT500 View Post
My car is a daily driver... Plus 230 every weekend to visit my family. I too have the H&R springs... And when I had the work done the guy told me as long as I am not driving it long distances I will notice tire wear however it won't be drastic. Obviously that was before I knew I would be doing the weekend commute. So at the 18,000K mile mark.. While replacing the clutch, I also had the camber plates put on and two new tires... So if you ask me... It is a matter of pay me know... Or pay me later... But either way you are going to pay..... Do it once and say on the labor .. It you ask me. Oh.. Since that time... I have 26K on it... And the wear is perfect... Go figure..
Sorry to jack the thread but your clutch only made it 18000 or just a upgrade?
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Old 11-05-2011, 09:30 PM   #14
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Quote:
Originally Posted by back n a stang
Sorry to jack the thread but your clutch only made it 18000 or just a upgrade?
Only 18K... Didn't do it cause I wanted too had too... Lots of posts that talk about the clutch of the Shelby not being strong enough... Unfortunately I am not alone...
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Old 11-05-2011, 09:41 PM   #15
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Re: lowering springs

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Originally Posted by SLDGT500 View Post
Only 18K... Didn't do it cause I wanted too had too... Lots of posts that talk about the clutch of the Shelby not being strong enough... Unfortunately I am not alone...
K... Gotcha! You put a good aftermarket now??
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Old 11-06-2011, 01:48 AM   #16
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Re: lowering springs

WAIT A Minute.......... I just ordered FR K springs and Eibach Caster bolts, now am I to understand that I need GT500 struts to go along with them so they fit??? Why would this relatively important tid bit of information not be included in the product description?
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Old 11-06-2011, 02:44 AM   #17
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Re: lowering springs

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Originally Posted by SLDGT500 View Post
Only 18K... Didn't do it cause I wanted too had too... Lots of posts that talk about the clutch of the Shelby not being strong enough... Unfortunately I am not alone...
I heard about clutch slipping with the 07s... I think I'm going to do a 1 inch drop with the previously mentioned springs that don't require strut mounts.

But I'm going to hold off for new wheels to go with the drop.
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Old 11-06-2011, 10:34 AM   #18
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Quote:
Originally Posted by M3to5.0
WAIT A Minute.......... I just ordered FR K springs and Eibach Caster bolts, now am I to understand that I need GT500 struts to go along with them so they fit??? Why would this relatively important tid bit of information not be included in the product description?
Just the mounts. It's pretty clearly stated on the frpp site and catalog. You can probably get by without them but it won't be right. It's also recommended that you use the frpp dampers with the frpp springs, but not required.
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Old 11-06-2011, 10:41 AM   #19
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You don't need gt500 shocks just to lower your car
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Old 11-06-2011, 11:17 AM   #20
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Re: lowering springs

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Just the mounts. It's pretty clearly stated on the frpp site and catalog. You can probably get by without them but it won't be right. It's also recommended that you use the frpp dampers with the frpp springs, but not required.

I ordered them from AM so I guess I did not see that...
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Old 11-06-2011, 11:31 AM   #21
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Eibach sport line lower sprint are nice and drop u car pretty good I do 3 2010 and Avery body are happy u don't Loose drivability or handle and u can get a good performance
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Old 11-06-2011, 11:45 AM   #22
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Re: lowering springs

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Originally Posted by M3to5.0 View Post
I ordered them from AM so I guess I did not see that...
From the FRPP site:
Quote:
Fits 2011-2012 Mustang GT Coupe when used with M-18183-C upper strut mounts and M-18000-A Dampers
They specify the dampers too, but you can live without them. Your handling won't be as good without them though. LRS sells them for $85 here.
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Old 11-06-2011, 01:30 PM   #23
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When I ordered my eibach pro-kit, I got the dampers and also the GT500 strut mounts... During the install, the tech couldn't get the GT500 mounts on, the original were good enough.... I'm assuming if u get the FRPP springs u will need the GT500 strut mounts, they may be more compatible with each other
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Old 11-13-2011, 08:43 AM   #24
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Re: lowering springs

you don't need the gt500 mounts if using stock dampers!!! They won't fit!
Just install springs. The gt500 mounts are only needed when you do 05-10 shocks/struts!!!
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