Fox T-Bird/Cougar Forums

Technical => Drivetrain Tech => Topic started by: blain_gatterdam on May 07, 2009, 01:42:05 AM

Title: going for the "you dont want none of this" look
Post by: blain_gatterdam on May 07, 2009, 01:42:05 AM
As I sit back in look at my uncles 66 impala, and gpaws 64 r3 studebaker avanti, I realise that stock-ness makes a car, and is what holds value.

Even though I have no intentions of letting the bird go, I dont want it to look "aged" with the tuner phase that seems to be hot right about now. (deep dish, tires sticking out, etc)

I look at a dodge viper from the side, both rims look the same size, the outside trac lines up, but when you look under the rear bumper you see that the tire is double the width as the front.

okay, okay... I dont want to be that excessive, but what would be involved with matching the outer side of a 9 inch wide 03 cobra on the front and a 10.5 wide on the rear?
(http://i36.photobucket.com/albums/e4/gizthegizzygizmo/carrim.jpg)
hopefully this makes sense of my goal....
Title: going for the "you dont want none of this" look
Post by: Beau on May 07, 2009, 01:56:09 AM
Fox Stang 8.8 rear, wider wheels, with more offset and wider rubber?
Title: going for the "you dont want none of this" look
Post by: blain_gatterdam on May 07, 2009, 02:12:36 AM
so this translates to... stock 8.8 mustang rear, and 10.5 03 cobras?
Title: going for the "you dont want none of this" look
Post by: dominator on May 07, 2009, 07:20:17 AM
Nothing,i've got 18x9 235/40/18 with a 24mm offset on the front and 18x10 275/35/18 with a 22mm offset on the rear(rear tires are actually off the front of a viper).
They fit without rubbing on my 87TC.
The rear is as wide as you can go without rolling the fender lip,if you did that you may be able to fit a 285-295 but not sure.
I also have quad shocks on my TC and they did not need to be removed or flipped.
Title: going for the "you dont want none of this" look
Post by: FLSTCI71 on May 11, 2009, 01:47:35 PM
I notice you have "8.8 disc rear" on your list of Plans. If you are going to swap in an 8.8 out of an 87/88 TC, keep in mind it will be 3/4" wider on each side. It may not be a huge deal to most guys, but if you already have your wide rims installed, that could be a problem.
Title: going for the "you dont want none of this" look
Post by: Chuck W on May 11, 2009, 02:25:55 PM
Quote from: FLSTCI71;271678
I notice you have "8.8 disc rear" on your list of Plans. If you are going to swap in an 8.8 out of an 87/88 TC, keep in mind it will be 3/4" wider on each side. It may not be a huge deal to most guys, but if you already have your wide rims installed, that could be a problem.


Errr...no.


The 87-88 TC 8.8 overall width is the same as all the other 83-88 Tbirds from axle  to axle ...  It will not be any different than what is there now.
Title: going for the "you dont want none of this" look
Post by: FLSTCI71 on May 11, 2009, 02:55:10 PM
Quote from: Chuck W;271681
Errr...no.


The 87-88 TC 8.8 overall width is the same as all the other 83-88 Tbirds from axle  to axle ...  It will not be any different than what is there now.

Errr....yes.

But I got ahead of the game. If you look at Post #3, he says, "so this translates to....stock 8.8 mustang rear, and 10.5 03 cobras?" If he puts in a stock Mustang  8.8, that will be 3/4" narrower per side than what he has now. If he wants to go to a TC rear after that, then there may be problems. So, you are correct, I jumped the gun, but I just wanted to warn him to be careful.
Title: going for the "you dont want none of this" look
Post by: Tbird232ci on May 11, 2009, 06:21:22 PM
Quote from: dominator;271039
Nothing,i've got 18x9 235/40/18 with a 24mm offset on the front and 18x10 275/35/18 with a 22mm offset on the rear(rear tires are actually off the front of a viper).
They fit without rubbing on my 87TC.
The rear is as wide as you can go without rolling the fender lip,if you did that you may be able to fit a 285-295 but not sure.
I also have quad shocks on my TC and they did not need to be removed or flipped.
235/35 is WAY too narrow for a 9" wheel. 245/45 came STOCK on mustangs with a 17x8" wheel. Most companies recommend a minimum of a 265 on an 9" wheel.

In the rear, with SN95 axles, ditching the tail pipes and quads, you can fit a 17x10.5" with a 315/35. If you run good quality control arms, you can ditch the quad shocks.
Title: going for the "you dont want none of this" look
Post by: dominator on May 11, 2009, 10:16:12 PM
Beg to differ on the 235 being to small for an 18x9" rim.
I did say 235/40/18 not 35 in the above post.
Here is a direct copy of the approved rim sizes and all info from falken tires web site for a 235/40/18.

235/40ZR18     95W       8.5 recommended     8.0 - 9.5 approved    diameter/25.5  sectwidth/9.6  revs per mile/818  tread width8.2  wear/10/32 weight/23.6
maxpsi/50  max weight1521     Reinforced

A 265/35/18 would be way to wide for my needs and the needs of most in the front as it would be almost the same width as my rear and would rub my fender wells for sure.
I however if i had to do it again would have gone with a 245/40/18 just for a little taller sidewall on the front to more closely match the rear but i'm still happy with my combo.
As for a 315 on the rear,it can be done but, at the loss of my quads and tails which was not my goal, so my 275/35/18 stands as the widest rear tire you can install on an 87-88 without mods.
Title: going for the "you dont want none of this" look
Post by: thundr306 on May 12, 2009, 08:17:51 PM
Quote from: Tbird232ci;271724
235/35 is WAY too narrow for a 9" wheel. 245/45 came STOCK on mustangs with a 17x8" wheel. Most companies recommend a minimum of a 265 on an 9" wheel.

In the rear, with SN95 axles, ditching the tail pipes and quads, you can fit a 17x10.5" with a 315/35. If you run good quality control arms, you can ditch the quad shocks.


Exactly....
(http://i12.photobucket.com/albums/a242/thundr306/87%20turbo%20coupe/DSC03038.jpg)
Title: going for the "you dont want none of this" look
Post by: blain_gatterdam on June 21, 2009, 04:17:06 AM
hmm, how many guys around here run around with sn95 axles?

If i understand correctly, thats IRS?

There is so many ways to go about this, that I am confused.

As long as I have rear disc brakes, and noticeably wider tires in the rear Ill be happy. The ford racing 03 cobras only seem to come in one offset. (I cant remember details, gettin kinda sleepy) I know the mustang 8.8 is wider than the turbo 8.8 (or is it the other way around?)

Also, you mention 235 wide tires in the front. Was there any mods or what? Obviously for 5 lug you have to swap spindles or something, I don't know.

I do know that my 215's currently rub when i take a hard right, not arguing I'm just curious if you simply put bigger tires on or what.

Also, I want 17" inch rims. So i dont know if that changes things up any.

The car currently has the off-road apperance thing going, and honestly I kinda like it, so again, I dont know if this changes up any options or not.

let me sleep on this, Ill get my thoughts straight tonight and come back later
Title: going for the "you dont want none of this" look
Post by: Haystack on June 21, 2009, 05:14:33 AM
To get a 5-lug rear with disc's, if you are already swapping out the whole assembly, get a rear from a 94-98 mustang. Over all it is almost exactally the same width as your rear now and is already a disc set up. I belive IRS is a 03-04 cobra or mach1 setup only. I can't remember which.

Don't over complicate it. Swap out the axles or get the rear off said year mustang. You should not be rubbing tires with a 215 tire. I am running 225/60's on a 15" rim and have no clearance issues. My 215 75 on 14's were taller overall and not as wide.
Title: going for the "you dont want none of this" look
Post by: Tbird232ci on June 21, 2009, 08:43:16 AM
SN95 axles refer to the 94-98 Mustangs. You could get technical, and say 99-04, but for our purpose, they aren't of much use to us. The 94-98 SN95's use the same width axle housing, and same width axles we do, but 5-lug and different brakes. You could swap the entire rear in the car, or do just the axles and brakes if you have an 8.8 laying around. It's fairly common, and opens up many brake options from rotors, pads, to cobra brakes, and all kinds of neat things.

Up front, you have quite a few options depending on what you want. I'm assuming since you want disc brakes in the rear, you're going to want some better/matching brakes up front, I personally would recommend 94-95 Mustang spindles and brakes up front. Those are a decent upgrade, and you will be able to run just about any SN95 wheel without hub clearance issues.

With every brake upgrade job, there are other modifications in order, but nothing too terrible.
Title: going for the "you dont want none of this" look
Post by: xjeffs on June 21, 2009, 11:33:01 AM
IRS  was on the 99-04 Cobra