Will 93 Cobra Rims Fit?

Stang_Crazy · 03-17-2002, 01:41 PM

I have a set of 93 Cobra rims that I plan on putting on my car in the next month or so. The tires I plan on using are:

Front: 245/45/17 Nitto 555
Rear: 245/45/17 Nitto 555R

Will I have any problems with rubbing on either the front or rear?? Will this combination fit without any problems?? I believe the rims are 17x7.5 if I remember correctly.

chatcher · 03-17-2002, 08:16 PM

i was told once that the rear would need spacers something about the diff in drum and disc i was considering them at one point for my car
one of the auctions i looked at on ebay the guy said they were needed and he would include the spacers with the sale
i would imagine the backspacing on the wheel was set up to compensate for the axles being longer to run the rear disc

Stang_Crazy · 03-18-2002, 06:34 PM

Thanks for the information

I just wanted to make sure I wasn't going to run into any BIG problems.

1BAD89 · 03-18-2002, 06:55 PM

Yeah the wheels aren't too big, and should be a great addition to your mustang. Post pics when you get em on.

chatcher · 03-18-2002, 08:03 PM

stang crazy i noticed you live in pa i just wanted to let you know that in pa using spacers is technicly illegal and your car may not pass inspection hopefully you are familar with your insp mechanic then it prob wont be a problem just make sure you have threads showing when the lug nut is tight
ie you may need longer studs

saywhenn94 · 03-19-2002, 06:35 PM

I just bought an 89 GT convertable with a Cobra ground effects kit and polished Cobra wheels. I thought I noticed the rear wheels sitting inboard a little it has the original drum brakes in the rear, thanks for the post it helped me out!! My car has 255's all the way around and the front inner fenders have been removed (I will be changing that) the rears rub a little bit on the inner well. Anybody know if 265's or 275's will fit in the rear with spacers?

Stang_Crazy · 03-19-2002, 07:17 PM

It sounds like you're going to have a pretty mean car saywhenn94. If you decide not to use the 393, I can take it off your hands for you

saywhenn94 · 03-19-2002, 07:25 PM

Thanks Stang_Crazy, I cant wait to drop it in and get it out on the road. It's gonna be a blast picking on the f-body's since I used to drive one!

RMARIANI · 03-20-2002, 07:32 AM

For the past 2 years I've been building a replica of the '93 Cobra I used to own. I've done tons of research on the car, so here's some information on the rims. In the front you will have to use '93 Cobra specific rotors. They have a taller "hat" than the GT rotor. Caliper is the same. Also, I don't remember what year you said your car was, but if it was older than a '91 you should get new fenders (inners and outers). Pre '91 has a smaller wheel opening than '91-'93. For the rear, I agonized about using spacers. There's about a 5/8" difference (per side) in rear width between the drum rear and the disc rear. Luckily for me, I came across a burned (probably insurance job) Cobra and bought the rear out of it. I would strongly recommend NOT using spacers. Besides potentially being illegal, they are EXTREMELY dangerous. They put an incredible amount of stress on the studs. I'm not sure, but I believe some of the aftermarket rear disc brake kits will give you the correct offset. Check with Baer Brakes. They make a nice kit. My advice is based on what I'm doing to my car and my desire to make my car look and handle like my old Cobra. I've been told I'm a little obssesive when it comes to details, so keep that in mind. Good luck!

Stang_Crazy · 03-20-2002, 05:32 PM

My tires arrived this morning. I'm going to get them mounted this weekend. Once they're mounted on the rims, I'm going to test fit them to see if I can see potential problems. If it comes down to it, I'll get a rear disc brake conversion kit so everything fits. I'm sure I'll have some questions after the test fit...

03-17-2002, 01:41 PM	#1
Stang_Crazy It's never clean enough! Join Date: Jan 1999 Location: Shaler, PA Posts: 1,542	Will 93 Cobra Rims Fit? I have a set of 93 Cobra rims that I plan on putting on my car in the next month or so. The tires I plan on using are: Front: 245/45/17 Nitto 555 Rear: 245/45/17 Nitto 555R Will I have any problems with rubbing on either the front or rear?? Will this combination fit without any problems?? I believe the rims are 17x7.5 if I remember correctly. __________________ ~Dan 2001 SVT Lightning 89' GT : Taking up garage space and waiting for a buyer... Rice Hater's Club - Member #11

03-17-2002, 08:16 PM	#2
chatcher Registered Member Join Date: Jun 2001 Location: butler pa Posts: 303	i was told once that the rear would need spacers something about the diff in drum and disc i was considering them at one point for my car one of the auctions i looked at on ebay the guy said they were needed and he would include the spacers with the sale i would imagine the backspacing on the wheel was set up to compensate for the axles being longer to run the rear disc __________________ 92lx wannabe saleen

03-18-2002, 06:34 PM	#3
Stang_Crazy It's never clean enough! Join Date: Jan 1999 Location: Shaler, PA Posts: 1,542	Thanks for the information I just wanted to make sure I wasn't going to run into any BIG problems. __________________ ~Dan 2001 SVT Lightning 89' GT : Taking up garage space and waiting for a buyer... Rice Hater's Club - Member #11

03-18-2002, 08:03 PM	#5
chatcher Registered Member Join Date: Jun 2001 Location: butler pa Posts: 303	stang crazy i noticed you live in pa i just wanted to let you know that in pa using spacers is technicly illegal and your car may not pass inspection hopefully you are familar with your insp mechanic then it prob wont be a problem just make sure you have threads showing when the lug nut is tight ie you may need longer studs __________________ 92lx wannabe saleen

03-19-2002, 06:35 PM	#6
saywhenn94 Registered Member Join Date: Feb 2002 Location: Warren, Mi. Posts: 50	93 cobra wheels I just bought an 89 GT convertable with a Cobra ground effects kit and polished Cobra wheels. I thought I noticed the rear wheels sitting inboard a little it has the original drum brakes in the rear, thanks for the post it helped me out!! My car has 255's all the way around and the front inner fenders have been removed (I will be changing that) the rears rub a little bit on the inner well. Anybody know if 265's or 275's will fit in the rear with spacers? __________________ 91 GT Convertable, 306, TFS TW heads, B41 cam, Holley Systemax, S-Trim, Bassani LT's, and Flo's

03-18-2002, 06:55 PM	#4
1BAD89 Tubbed and Juiced Join Date: Mar 2001 Location: Tulsa, Oklahoma Posts: 1,861	Yeah the wheels aren't too big, and should be a great addition to your mustang. Post pics when you get em on.

03-19-2002, 07:17 PM	#7
Stang_Crazy It's never clean enough! Join Date: Jan 1999 Location: Shaler, PA Posts: 1,542	It sounds like you're going to have a pretty mean car saywhenn94. If you decide not to use the 393, I can take it off your hands for you __________________ ~Dan 2001 SVT Lightning 89' GT : Taking up garage space and waiting for a buyer... Rice Hater's Club - Member #11

03-19-2002, 07:25 PM	#8
saywhenn94 Registered Member Join Date: Feb 2002 Location: Warren, Mi. Posts: 50	Thanks Stang_Crazy, I cant wait to drop it in and get it out on the road. It's gonna be a blast picking on the f-body's since I used to drive one! __________________ 91 GT Convertable, 306, TFS TW heads, B41 cam, Holley Systemax, S-Trim, Bassani LT's, and Flo's

03-20-2002, 07:32 AM	#9
RMARIANI Registered Member Join Date: Apr 2000 Location: New Jersey Posts: 167	For the past 2 years I've been building a replica of the '93 Cobra I used to own. I've done tons of research on the car, so here's some information on the rims. In the front you will have to use '93 Cobra specific rotors. They have a taller "hat" than the GT rotor. Caliper is the same. Also, I don't remember what year you said your car was, but if it was older than a '91 you should get new fenders (inners and outers). Pre '91 has a smaller wheel opening than '91-'93. For the rear, I agonized about using spacers. There's about a 5/8" difference (per side) in rear width between the drum rear and the disc rear. Luckily for me, I came across a burned (probably insurance job) Cobra and bought the rear out of it. I would strongly recommend NOT using spacers. Besides potentially being illegal, they are EXTREMELY dangerous. They put an incredible amount of stress on the studs. I'm not sure, but I believe some of the aftermarket rear disc brake kits will give you the correct offset. Check with Baer Brakes. They make a nice kit. My advice is based on what I'm doing to my car and my desire to make my car look and handle like my old Cobra. I've been told I'm a little obssesive when it comes to details, so keep that in mind. Good luck!

03-20-2002, 05:32 PM	#10
Stang_Crazy It's never clean enough! Join Date: Jan 1999 Location: Shaler, PA Posts: 1,542	rear disc brake conversion My tires arrived this morning. I'm going to get them mounted this weekend. Once they're mounted on the rims, I'm going to test fit them to see if I can see potential problems. If it comes down to it, I'll get a rear disc brake conversion kit so everything fits. I'm sure I'll have some questions after the test fit... __________________ ~Dan 2001 SVT Lightning 89' GT : Taking up garage space and waiting for a buyer... Rice Hater's Club - Member #11

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