Help: 99 GT leaning

MustangPilot · May 15th, 2008, 02:58 PM

Hello everyone,

Newly registered member and glad to be here.

I own a 1999 Mustang GT Convertible with 15.5k miles on it. I am the second owner of the car and it has an aftermarket suspension consisting of Bilstein shocks and Eibach lowering springs. I have owned the car since 2003.

I have noticed in the last year that the car leans to the drivers side. The car seems to ride fine, but only until recently has it really started bugging me when I look at it. The left side looks perfect, but the right side is about .4" higher when measured. I was just wondering if anyone could help me understand why it could be leaning? I have attached a photo of the rear just to give an idea of what it looks like. I should also add that I am 165lbs.

Any help would be greatly appreciated!

- Lawrence

klean4.6 · November 10th, 2008, 04:12 PM

My fox did this from torque, twisted the frame. You need to invest in some sub frame connectors from Maximum Motorsports.

Jazzer The Cat · November 10th, 2008, 08:44 PM

If you twisted the frame due to torque, you are running some SERIOUS HP in your fox. Truth is the Fox body does not have great support frame-wise, so frame connectors are a good idea anyway. The SN95/New Edge is about 25% stiffer than Fox and the S197 about 75% more than SN95/New Edge. I have upper/lower SF support in my ride and think it is good idea as VERY important for good handling ride and lessens issues of rattles and poor fitting doors and such.

I would get the car up on a rack and do some close inspection. You could have a sagging spring, but more likely a deteriorated spring pad(s).

Jazzer

svtkidd23 · November 10th, 2008, 08:47 PM

mine does it to.. but opposite..
not as bad though

RyanGT · November 10th, 2008, 08:52 PM

Not many miles.. I would see if the springs were not put in right (settled wrong) or something. Dont think struts would be bad with that many miles...

neverfastenough1 · November 10th, 2008, 09:27 PM

Does look weird. Even your tailpipe seems to be lower on the right than on the left. Welcome to the site.

RyanGT · November 10th, 2008, 09:43 PM

Are all your tires the same? Like sidewall width mostly? What if you had different tires on rear and then without thinking had tires rotated? otherwise time to replace springs or check them.

ModMustang97GT · November 10th, 2008, 09:59 PM

yeah, check your tires and such. What kind of springs did you say that you had? Its possible they are bad springs and settled wrong. I would check the alignment of your frame, while the sn95 might be better than the fox bodies, they are still VERY weak. Get subframe connectors and make sure they are installed correctly. Then check your springs.

99mustanggtman · November 10th, 2008, 11:26 PM

My car does it too, it pisses me off. I tried swapping the ISOs and springs from each side and it still does.

BlckBullitt01 · November 11th, 2008, 12:10 AM

It shouldn't be too hard to trace down the cause of the problem. Either:

Your frame is twisted, highly doubt, unless you are pushing alot of HP (which I don't believe you are) or the previous owner was in a wreck/jacked the car up wrong.

The spring was installed incorrectly (most likely). I would definitley jack the car up and take a look at both springs. Could be that it is just a faulty spring.

It could be some other things, different size tires, bent control arm, etc. But I highly doubt that it is any of those things.

00redgt · November 11th, 2008, 12:13 AM

get that fat dead body out of the trunk an it wont sag to one side...

~C~ · November 11th, 2008, 10:09 AM

with 15 miles on it id have to lean toward an issue with the springs. did you look into that first? i doubt your frame is bent unless you did some crazy shit to it. how did you get the car as a second owner with only 15 miles on it?

May 15th, 2008, 02:58 PM	#1
MustangPilot Newbie Join Date: May 2008 Location: London, England Posts: 6 iTrader: 0 reviews	Help: 99 GT leaning Hello everyone, Newly registered member and glad to be here. I own a 1999 Mustang GT Convertible with 15.5k miles on it. I am the second owner of the car and it has an aftermarket suspension consisting of Bilstein shocks and Eibach lowering springs. I have owned the car since 2003. I have noticed in the last year that the car leans to the drivers side. The car seems to ride fine, but only until recently has it really started bugging me when I look at it. The left side looks perfect, but the right side is about .4" higher when measured. I was just wondering if anyone could help me understand why it could be leaning? I have attached a photo of the rear just to give an idea of what it looks like. I should also add that I am 165lbs. Any help would be greatly appreciated! - Lawrence Attached Thumbnails Last edited by MustangPilot; May 15th, 2008 at 03:07 PM.

November 10th, 2008, 08:52 PM	#5
RyanGT MM Fanatic 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 4,258 iTrader: 4 reviews	Not many miles.. I would see if the springs were not put in right (settled wrong) or something. Dont think struts would be bad with that many miles... __________________ 2000 Black convertible GT: KB 15psi, and other goodies... 1971 Datsun 240 z: Header and rebuilt motor. (The DD)

November 10th, 2008, 09:27 PM	#6
neverfastenough1 Hardcore Enthusiast 2002 Mustang GT Join Date: May 2007 Location: Savannah, Ga Posts: 2,789 iTrader: 3 reviews	Does look weird. Even your tailpipe seems to be lower on the right than on the left. Welcome to the site. __________________

November 10th, 2008, 09:43 PM	#7
RyanGT MM Fanatic 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 4,258 iTrader: 4 reviews	Are all your tires the same? Like sidewall width mostly? What if you had different tires on rear and then without thinking had tires rotated? otherwise time to replace springs or check them. __________________ 2000 Black convertible GT: KB 15psi, and other goodies... 1971 Datsun 240 z: Header and rebuilt motor. (The DD)

November 10th, 2008, 09:59 PM	#8
ModMustang97GT Hardcore Enthusiast 1997 Mustang GT Faster than an s4 Join Date: Aug 2007 Location: Seattle, WA Posts: 1,598 iTrader: 0 reviews	yeah, check your tires and such. What kind of springs did you say that you had? Its possible they are bad springs and settled wrong. I would check the alignment of your frame, while the sn95 might be better than the fox bodies, they are still VERY weak. Get subframe connectors and make sure they are installed correctly. Then check your springs. __________________ Aztec Gold 97GT. MM CC Plates, Panhard Bar, SFC's & Tower Brace Eibach Sway Bars H&R Race Springs/Bilstein Shocks MAC CAI, LT's, Catted H and Pro-Dumps KB Boost-a-Spark 04' PI Motor Author of The Official Suspension Guide

November 10th, 2008, 04:12 PM	#2
klean4.6 Regular 99 GT Join Date: Jul 2007 Posts: 86 iTrader: 0 reviews	My fox did this from torque, twisted the frame. You need to invest in some sub frame connectors from Maximum Motorsports.

November 10th, 2008, 11:26 PM	#9
99mustanggtman Hardcore Enthusiast 1999 GT Join Date: Feb 2007 Location: Germantown, MD/ OSU Posts: 1,835 iTrader: 7 reviews	My car does it too, it pisses me off. I tried swapping the ISOs and springs from each side and it still does. __________________ Single 67mm turbo, ported pi heads, edelbrock vic jr. manifold w/HPP plenum, terminator shortblock, return fuel system... Goal 600+ rwhp.

November 11th, 2008, 12:10 AM	#10
BlckBullitt01 Regular TT Bullitt Join Date: Jun 2007 Posts: 263 iTrader: 2 reviews	It shouldn't be too hard to trace down the cause of the problem. Either: Your frame is twisted, highly doubt, unless you are pushing alot of HP (which I don't believe you are) or the previous owner was in a wreck/jacked the car up wrong. The spring was installed incorrectly (most likely). I would definitley jack the car up and take a look at both springs. Could be that it is just a faulty spring. It could be some other things, different size tires, bent control arm, etc. But I highly doubt that it is any of those things.

November 11th, 2008, 12:13 AM	#11
00redgt MM Fanatic 2000 mustang gt Join Date: Oct 2007 Location: vansant,va Posts: 4,092 iTrader: 5 reviews	get that fat dead body out of the trunk an it wont sag to one side... __________________

November 11th, 2008, 10:09 AM	#12
~C~ ~C~, The Other White Meat! Y2K YellowJacket GT ~TBD~ Join Date: Jun 2008 Location: West side B-More Posts: 1,697 iTrader: 2 reviews	with 15 miles on it id have to lean toward an issue with the springs. did you look into that first? i doubt your frame is bent unless you did some crazy shit to it. how did you get the car as a second owner with only 15 miles on it? __________________ BLOWN Bumblebeast! 370 rwhp / 381 ft lbs ~Tuned by JJ at WMS "Like the blind man says......We shall see...."

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