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1966 Mustang 289 with 4 lug!

 
1966stangcoupe
New User
Posts: 2
Joined: 04/13
Posted: 04/15/13 05:30 PM

Hello, My mustang project was originally an I6, the previous owner swapped in a 289 2 bbl without changing any of the I6 steering or suspension. I was wondering if I would be able to buy new axle shafts to convert the rear end to 5 lug. If thats not possible, could someone suggest another method?  

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MustangMan
Moderator
Posts: 588
Joined: 07/06
Posted: 04/16/13 06:57 AM

The smaller I-6 rear axle assembly was never offered with five-lug axles/brakes. If your 289 is very mild/stock and you plan ONLY cruising and no performance driving you could have the axles and brake drums redrilled for the correct V-8 5x4.5-inch pattern.

Up front you can swap to later spindles (Granada, TCP, etc.) and go five-lug from there.

I know it's not the cheapest answer, but I would find an 8-inch housing from an early Ford and swap it. It can't be too hard to find a '65-'66 8-inch width housing out there. You could also buy new from Currie, Yukon Gear, etc. as well.

My '66 is an I-6 car originally and we put a '66 V-8 8-inch axle under it and converted the front to V-8 drum spindles with five-lug.

HTH...
Mark
.  
Mark Houlahan
Brand Manager
Mustang Monthly Magazine

1965 FFR Roadster 427W/TKO-600 5-speed
1966 Mustang 289-4V/C4 Auto
1968 Mustang 4.6L Three-Valve/5R55S Auto
1990 Mustang 306/AOD
2002 Explorer Sport Trac 4.0L V-6/5R55 Auto
2005 F-150 4x2 4.2L V-6/4R70W Auto

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1966stangcoupe
New User
Posts: 2
Joined: 04/13
Posted: 04/17/13 04:44 PM

Would I be able to do any performance driving on the 4 lug? or if I upgraded them to all around Discs?  

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MustangMan
Moderator
Posts: 588
Joined: 07/06
Posted: 04/18/13 07:57 AM

You will not find any rear disc kits for the four-lug I6 rear. There is a small GM-based four-lug disc conversion for the front available from Stainless Steel Brakes that would help, but you'll still be limited on your wheel availability.

HTH...
Mark
.  
Mark Houlahan
Brand Manager
Mustang Monthly Magazine

1965 FFR Roadster 427W/TKO-600 5-speed
1966 Mustang 289-4V/C4 Auto
1968 Mustang 4.6L Three-Valve/5R55S Auto
1990 Mustang 306/AOD
2002 Explorer Sport Trac 4.0L V-6/5R55 Auto
2005 F-150 4x2 4.2L V-6/4R70W Auto

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mustangmccance
New User
Posts: 27
Joined: 02/08
Posted: 04/30/13 09:45 AM

here is a decent looking 8 inch rear end on ebay for 250.00

http://www.ebay.com/itm/Original-1966-ford-mustang-rear-end-/230969816995?hash=item35c6dfb7a3&item=230969816995&pt=Motors_Car_Truck_Parts_Accessories&vxp=mtr  

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