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Old 12-05-2002, 01:40 PM
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Post 5 lug disc swap

I am trying to convert a 1984 mustang to 5 lug disc brakes, I was wondering which vehicles i can pull the axles off of for this swap? any help is appriciated. thanks

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Old 12-05-2002, 03:17 PM
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-Five Lug How-To-
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Old 12-05-2002, 07:43 PM
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thanks for the site, thats exactly what I needed.
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Old 12-05-2002, 09:53 PM
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That my friend, was the Duke of URL.

He's not the kind of guy who likes to fool around,

Where the pretty girls are you know he'll be around.

He hugs-em and he kisses them, to him their all the same...


WAIT a second...that's the Wanderer not the Duke of Earl... :p
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Old 12-05-2002, 10:02 PM
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He also quotes ancient chinese wisdom by "Confusedus".
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Old 12-06-2002, 01:25 PM
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you guys are to much, thanks again for the info.
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Old 12-11-2002, 05:51 AM
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It says in the article, 1987 to 1993 Fox body 5.0 liter Mustangs can be easily upgraded to 5-lugs. Will this work with 1985 GT models?
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Old 12-11-2002, 06:12 AM
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All I'm trying to do is upgrade my rims to '94 or above. Is there anything else I can do?
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Old 12-11-2002, 06:26 AM
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It seems The Duke of URL slurred his last URL... <img src="graemlins/pain.gif" border="0" alt="[pain]" />


[quote]Originally posted by fire1371:

It says in the article, 1987 to 1993 Fox body 5.0 liter Mustangs can be easily upgraded to 5-lugs. Will this work with 1985 GT models?<hr></blockquote>

Correct you are. I didn't notice the 84 model year in the first post.

The easiest way to upgrade the early FOX is to take the knuckels, rotors and calipers off the SN-95. The SN-95 also came with rear disc and the whole axle assembly will bolt into an earlier (and later) FOX.

You can also update an early FOX with a later FOX ( 87/ ) knuckles and rotors. The later GT and COBRA came with rear disc and five lug pattern also.

The main problem with the early FOX is that most were assembled with 7.5" axle housings. You need to upgrade to an 8.8" minimum. That will give you more possibilities. You can also take rear brake drum assemblys off other FORD car lines and upgrade the rear brakes cheaply.

Sorry...I URL'd before I looked...

[ December 11, 2002: Message edited by: KULTULZ ]</p>
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Old 12-11-2002, 11:16 AM
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Corrected Slurred URL;

-79/93 FOX Body Mustang Brake Upgrades-

This will give you a little more information.
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Old 12-11-2002, 12:41 PM
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Let's see if I can straighten out the mess I created. You have to remember that I am getting older and some things are hard to remember.

_________________________________________________

fire1371 posted December 11, 2002 07:51 AM


[quote]It says in the article, 1987 to 1993 Fox body 5.0 liter Mustangs can be easily upgraded to 5-lugs. Will this work with 1985 GT models?<hr></blockquote>

No. FOX used a 10" rotor from 79/86. In 87 they changed the knuckle (spindle) to accept an 11" rotor for better brake performance.

Now...FORD Motorsports once offered a front rotor kit for the 79/86 FOX ( M 1102-A) that was a five lug changeover. The actual rotor was off an early 2WD RANGER and had a dia. of 10.25" (Be careful here as some early 2.3L and 2.8L's FOX came through with 9.3" rotors). You can find this rotor and have it machined down to 10" to clear the caliper mount. You may have to change bearings and cups between the two to have it properly slide onto the spindle. You will get your 5 lug changeover but will still have substandard front brakes.

The rear axle changeover should work on either the 7.5" or 8.8" rears. You will also need the 5 lug brake drums.

The Hollander Part No. is 447-2089L on the axles.

____________________________________________

fire1371 posted December 11, 2002 08:12 AM


[quote]All I'm trying to do is upgrade my rims to '94 or above. Is there anything else I can do?<hr></blockquote>

I am quoting out of the article offered in the first URL;

[quote] 1987 to 1993 Fox body 5.0 liter Mustangs can be easily upgraded to 5-lugs by simply installing 5-lug axles and drums from a Ranger or Bronco II in the rear and 5-lug brake rotors from a late 80's Lincoln Mark VII in the front. This conversion will work for most types of wheels. But, if you are planning on installing a Ford OEM wheel such as the 1998 or 1999 Cobra wheel or the 17" 'Split 5-Spoke' wheel then this conversion will not work for you. This is due to the fact that the Mark VII rotor hat is too tall and the dust cap on the rotor extends too far out. This prohibits the center cap of the wheel from being installed.

There are two solutions to this problem. The first is to install " wheel spacers behind the front wheels to allow more clearance for the dust cap. This also requires that longer wheel studs be installed on the front rotors for safety. The other solution is to replace the front spindle, rotor and caliper assemblies from the Fox Mustang with complete spindle, hub, rotor and caliper assemblies from an SN95 Mustang. Wheel spacers are simply a Band-Aid for this fitment problem, though, and that is why I chose the latter option. The SN95 assemblies are also designed with improved geometry for better steering feel and the caliper assemblies provide improved braking as well. All in all, it is a better setup and is also the basis for any big brake upgrades in the future (i.e. - Baer or Cobra brakes). It is a project of low to moderate difficulty that can be performed in a garage or driveway with basic tools by anyone with the ability to perform a complete brake job.<hr></blockquote>

The FORD Motorsports front rotor kit to change to 5 lug rotors on a 87/93 FOX is M 1102-C, which in all reality is off a late MARK VII. If the snout interferes with the wheel mounting, you may be able to have it machined down.

It seems to me that it would be better to go with the SN-95 front and rear setup as there are many in the donor yards and it gives the FOX an actual set of brakes.

But you can piece it together, it just takes a little investigative work as most of these old fixes have gone by the wayside with the availability of the SN-95 brakes.

Hope this answers your question. I must go now as they are calling for dinner here in the home and I just hate cold cream of wheat...
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Old 12-12-2002, 06:19 AM
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Thanks for your help. I will go with the SN-95 if I can find it.
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