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5.0L Talk | 5.0L Tech | 94-95 Tech | 1979-1993   1994   1995   Upload Pictures | Timeslips | Power Adders | Mustang Tech 


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Unread 09-14-2011   #1 (permalink)
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Default 91 mustang 8.8 disc brake conversion

Hey guys, have been putting a lot of work into my 91 fox. I have gotten all the suspension, drive-train, and fuel system things done. I have recently done a 5 lug conversion to the front but i am having a hard time putting together a 5 lug conversion for the rear. Everything kit i am seeing is only for either a 4 lug disc or a 5 lug drum. I really want to do a 5 lug disc in the rear. What can i use to accomplish that? Thanks!
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-3:73 Gears
-Built automatic trans
But that is changing over the next few months
Best time 14.69 @ 96mph
Hoping for 11.5's when done
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Unread 09-14-2011   #2 (permalink)
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Buy a rear axle out of a 94-98 V8 car? Just an idea....
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Unread 09-14-2011   #3 (permalink)
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Quote:
Originally Posted by YLDPONY View Post
Buy a rear axle out of a 94-98 V8 car? Just an idea....
that will work, and so will a V6 axle if you use everything except the diff and housing.
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Unread 09-16-2011   #4 (permalink)
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thats the only problem, ive already put my existing rear-end together with all the parts (differential, axles, gears, and c-clip eliminators) Ive been seeing on some other forums that you can buy the 94-04 disc brake upgrade kits and they will work on the 87-93 foxbodys. It makes sense to me because they were both the same rear-end style just shorter length axles. Would this really work? And would it work with 15" rims?

Heres a link to the kit

Ford Racing Performance Parts
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1991 Notch
-Mild Cam
-Hooker Headers to Non-Catted H-Pipe
-3:73 Gears
-Built automatic trans
But that is changing over the next few months
Best time 14.69 @ 96mph
Hoping for 11.5's when done
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Unread 09-16-2011   #5 (permalink)
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That would work with the 94+ axles. But not fox length axles.

Or...You can use all the 94-95 Mustang, Calipers, Backing Plates, Brackets, Antimoans etc and buy Northrace Cars Custom brackets that will allow you to use 94+ Disc brakes on fox length axles. This is what I'm doing as to retain the stock tire track width.

I don't want to be limited on wheel choices due to the extra 3/4" on each side and fender well rolling etc...
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Unread 09-17-2011   #6 (permalink)
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Okay, I have been seeing alot of people using the NRC brackets, but alot of them say they have problems with the brakes moaning and the e-brake not working that well due to the caliper bracket being "weak" have you had any problem with that?
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1991 Notch
-Mild Cam
-Hooker Headers to Non-Catted H-Pipe
-3:73 Gears
-Built automatic trans
But that is changing over the next few months
Best time 14.69 @ 96mph
Hoping for 11.5's when done
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Unread 09-17-2011   #7 (permalink)
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You may get the moan if you don't use the antimoan brackets aswell. But I know of no negative problems with this setup.

I've heard people complain but the moan, but when asked if they used the antimoan brackets they say nah, I left them off.

There's the problem...

And you need a special e brake cable as well to make them work.. I've heard of people using the wrong cables and having problems... You can get the e brake cable at LRS for putting 94+ brakes on a fox
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Last edited by Black87FoxGT; 09-17-2011 at 10:40 AM. Reason: .
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