Tires and Lowered

DaxE · April 14th, 2008, 01:55 PM

Hello all, first post but have done alot of reading and searching.

What would be the lowest I could lower a 04 gt vert and still be able to fit 315/35/17 in the back and 275/40/17 in the front?

I just purchased this car and atm it has 275/35/20 on it and the front rubs when I hit a good bump. I really dont like the way the 20's look and want to go back to 17's but also want to do the 315-275 if I can get away with it. I do know that the car has eibach springs on it, but have no clue as to how much it has been lowered, I am guessing about 2" though.

Thanks

mystang0673 · April 14th, 2008, 01:56 PM

welcome to mm

'02SilverBullet · April 14th, 2008, 02:11 PM

Hard to say how low ya are now.. if you know they are eibach springs... my bet is your running th e pro kit... its the most common with eibachs. If ya DO have those you could go a bit lower with eibach sportlines or H&R SS springs. All these springs listed will let you run a 17 inch wheeel. Myself I got 18 inch wheels and running the eibach pro kit springs and I LOVE the stance of my car. Hell while im at it.... even if you decided to go all the way low and get the bigger 18 inch wheel that would work too. Its all in what you want.

BTW.... wecome to the boards!

StangAddiction · April 14th, 2008, 02:14 PM

if you're already rubbing in the front on bumps, you likely have sportlines...and it doesn't get much lower than that.. 2" is the max i'd lower a mustang...especially 99-04s... If you can show a pic, i can tell you what springs you already have.. Pro kits shouldn't rub in the front unless you hit the bump fast and hard...

DaxE · April 14th, 2008, 02:47 PM

I am not wanting to go any lower. I am just wanting to make sure i am not going to have any issues with going to the 315's and 275's.

I know that the 255/35/20's are a good bit taller than what I am looking at puting on, but did not know if the extra width was going to get me or not.

Thanks

GJ Rodriguez · April 14th, 2008, 04:13 PM

you should not have any problems, but why 17's, maybe de 18´s look better...
just my opinion...

gsjohnson · April 14th, 2008, 04:24 PM

Originally Posted by StangAddiction

if you're already rubbing in the front on bumps, you likely have sportlines...and it doesn't get much lower than that.. 2" is the max i'd lower a mustang...especially 99-04s... If you can show a pic, i can tell you what springs you already have.. Pro kits shouldn't rub in the front unless you hit the bump fast and hard...

Not sure the Sportlines would be the cause of a rubbing issue. Probably more like the chosen wheel offset. The 315s shouldn't be a problem either as long as the offset of the wheels are correct. You can check my pics in my Garage here. 18 x 9 1/2s with Eibach Sportlines...No rub.

'02SilverBullet · April 14th, 2008, 04:25 PM

Originally Posted by StangAddiction

if you're already rubbing in the front on bumps, you likely have sportlines...and it doesn't get much lower than that.. 2" is the max i'd lower a mustang...especially 99-04s... If you can show a pic, i can tell you what springs you already have.. Pro kits shouldn't rub in the front unless you hit the bump fast and hard...

Hes having rubbing issues due to the 20' rims

DaxE · April 14th, 2008, 04:40 PM

The rims i am looking at are 17x9 with 5.95" back spacing and 17x10.5 with 6.9" back spacing. Does that sound right?

Thanks

'02SilverBullet · April 14th, 2008, 05:58 PM

I would highly recomend getting some mustang specific wheels. This way you know they are gonna be exactly what you expect. I got my fr500s from Mustang Parts & Performance - American Muscle its a great site and they offer free mounting and balancing plus free shipping too. I got my wheels and tires from them and couldnt be happier!

As far as the 17x9s go... thats a good size... dont know about the back spacing though. I personally like 18x9s front and 18x10s rear. Go to that web site though and check em out. They got alot of different styles and sizes and will even recoment the size tire to run with it too.

DaxE · April 14th, 2008, 10:08 PM

Ok, the springs on the back of the car have a part# 3510.302 on them...tried to do a search for that part number and come up with nothin and it does not match any part# on eibach's site for my car. If any of you guys know the deal with these springs I would greatly appreciate it.

Thanks,

Zurdo03GT · April 14th, 2008, 10:33 PM

i have the the H&R springs and i have 17 with 315 in the back and i dont have a problem with it

StangAddiction · April 14th, 2008, 10:36 PM

well with 20s i can easily see why you rub...17s wont rub at all...

'02SilverBullet · April 14th, 2008, 10:38 PM

Originally Posted by StangAddiction

well with 20s i can easily see why you rub...17s wont rub at all...

Neither will 18s with the propper sized tire!

DaxE · April 16th, 2008, 01:35 PM

Found out the springs on the car are the Pro Kit for a GT coupe and not a gt vert...tech guy said the dirrence was the stifness of the springs due to the extra wieght of the vert. I also figured out I have the Steeda weight-jacker lower control arms. I am thinking this may be the reason the back is so low and I should be ableto adjust it back up atleast a inch from that. As far as the front i still dont see why it is so low.

Drgnracin72 · April 16th, 2008, 03:29 PM

i would onyl go as low as the eibach pro kit. any lower youll hit, as for the 40mm tires up front, id stick with the 35mm itll look 10x better

DaxE · April 16th, 2008, 04:14 PM

I dont want to go lower, I am trying to figure out exactly what they have done to get the car as low as it is. It is lower than a pro kit should have it, I think I got the back figured out and can fix that..but still dont have a clue in the front of the car.

I dont think a diffrent sidewall hieght from front to rear would look good...thats why I was saying 315/35 and 275/40...

April 14th, 2008, 01:55 PM	#1
DaxE Newbie Join Date: Apr 2008 Posts: 13 iTrader: 0 reviews	Tires and Lowered Hello all, first post but have done alot of reading and searching. What would be the lowest I could lower a 04 gt vert and still be able to fit 315/35/17 in the back and 275/40/17 in the front? I just purchased this car and atm it has 275/35/20 on it and the front rubs when I hit a good bump. I really dont like the way the 20's look and want to go back to 17's but also want to do the 315-275 if I can get away with it. I do know that the car has eibach springs on it, but have no clue as to how much it has been lowered, I am guessing about 2" though. Thanks

April 14th, 2008, 01:56 PM	#2
mystang0673 MM Fanatic 6.82@100mph 1.45 60' Join Date: Jan 2007 Posts: 3,239 iTrader: 0 reviews	welcome to mm __________________

April 14th, 2008, 04:13 PM	#6
GJ Rodriguez Regular 2004 Mustang GT Join Date: Mar 2008 Location: Monterrey, México Posts: 97 iTrader: 0 reviews	you should not have any problems, but why 17's, maybe de 18´s look better... just my opinion... __________________ Mexican Mustang

April 14th, 2008, 10:33 PM	#12
Zurdo03GT Regular 2003 mustang GT Join Date: Oct 2007 Location: Miami,Fl Posts: 170 iTrader: 0 reviews	i have the the H&R springs and i have 17 with 315 in the back and i dont have a problem with it __________________ Zurdo

April 16th, 2008, 03:29 PM	#16
Drgnracin72 I Post Entirely Way Too Much Join Date: Jan 2006 Location: somewhere in oklahoma Posts: 10,638 iTrader: 2 reviews	i would onyl go as low as the eibach pro kit. any lower youll hit, as for the 40mm tires up front, id stick with the 35mm itll look 10x better __________________ RIP ΜΟΛΩΝ ΛΑΒΕ Political Correctness is a doctrine, fostered by a delusional, illogical, liberal minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end. One Big Ass Mistake America SHEEPDOGS

April 14th, 2008, 02:11 PM	#3
'02SilverBullet Regular Join Date: Nov 2007 Location: Memphis Posts: 222 iTrader: 0 reviews	Hard to say how low ya are now.. if you know they are eibach springs... my bet is your running th e pro kit... its the most common with eibachs. If ya DO have those you could go a bit lower with eibach sportlines or H&R SS springs. All these springs listed will let you run a 17 inch wheeel. Myself I got 18 inch wheels and running the eibach pro kit springs and I LOVE the stance of my car. Hell while im at it.... even if you decided to go all the way low and get the bigger 18 inch wheel that would work too. Its all in what you want. BTW.... wecome to the boards!

April 14th, 2008, 02:14 PM	#4
StangAddiction Enthusiast 2000 Mustang GT Join Date: Jan 2007 Location: Virginia Beach Posts: 986 iTrader: 0 reviews	if you're already rubbing in the front on bumps, you likely have sportlines...and it doesn't get much lower than that.. 2" is the max i'd lower a mustang...especially 99-04s... If you can show a pic, i can tell you what springs you already have.. Pro kits shouldn't rub in the front unless you hit the bump fast and hard...

April 14th, 2008, 02:47 PM	#5
DaxE Newbie Join Date: Apr 2008 Posts: 13 iTrader: 0 reviews	I am not wanting to go any lower. I am just wanting to make sure i am not going to have any issues with going to the 315's and 275's. I know that the 255/35/20's are a good bit taller than what I am looking at puting on, but did not know if the extra width was going to get me or not. Thanks

April 14th, 2008, 04:40 PM	#9
DaxE Newbie Join Date: Apr 2008 Posts: 13 iTrader: 0 reviews	The rims i am looking at are 17x9 with 5.95" back spacing and 17x10.5 with 6.9" back spacing. Does that sound right? Thanks

April 14th, 2008, 05:58 PM	#10
'02SilverBullet Regular Join Date: Nov 2007 Location: Memphis Posts: 222 iTrader: 0 reviews	I would highly recomend getting some mustang specific wheels. This way you know they are gonna be exactly what you expect. I got my fr500s from Mustang Parts & Performance - American Muscle its a great site and they offer free mounting and balancing plus free shipping too. I got my wheels and tires from them and couldnt be happier! As far as the 17x9s go... thats a good size... dont know about the back spacing though. I personally like 18x9s front and 18x10s rear. Go to that web site though and check em out. They got alot of different styles and sizes and will even recoment the size tire to run with it too.

April 14th, 2008, 10:08 PM	#11
DaxE Newbie Join Date: Apr 2008 Posts: 13 iTrader: 0 reviews	Ok, the springs on the back of the car have a part# 3510.302 on them...tried to do a search for that part number and come up with nothin and it does not match any part# on eibach's site for my car. If any of you guys know the deal with these springs I would greatly appreciate it. Thanks,

April 14th, 2008, 10:36 PM	#13
StangAddiction Enthusiast 2000 Mustang GT Join Date: Jan 2007 Location: Virginia Beach Posts: 986 iTrader: 0 reviews	well with 20s i can easily see why you rub...17s wont rub at all...

April 16th, 2008, 01:35 PM	#15
DaxE Newbie Join Date: Apr 2008 Posts: 13 iTrader: 0 reviews	Found out the springs on the car are the Pro Kit for a GT coupe and not a gt vert...tech guy said the dirrence was the stifness of the springs due to the extra wieght of the vert. I also figured out I have the Steeda weight-jacker lower control arms. I am thinking this may be the reason the back is so low and I should be ableto adjust it back up atleast a inch from that. As far as the front i still dont see why it is so low.

April 16th, 2008, 04:14 PM	#17
DaxE Newbie Join Date: Apr 2008 Posts: 13 iTrader: 0 reviews	I dont want to go lower, I am trying to figure out exactly what they have done to get the car as low as it is. It is lower than a pro kit should have it, I think I got the back figured out and can fix that..but still dont have a clue in the front of the car. I dont think a diffrent sidewall hieght from front to rear would look good...thats why I was saying 315/35 and 275/40...

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