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Author
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Topic: 10 x 2 1/2 Rear Drums with stock backing plates?
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Mels65
Journeyman Posts: 7
From: Lancaster, CA
Registered: Mar 2006
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posted 05-01-2006 12:50 PM
 
I was reading the old thread about the larger drums and Moneymaker stated it could be done without changing backing plates. I would like the part numbers for the correct drums and shoes for this.
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66 fastback
Gearhead Posts: 223
From: Califon, NJ 07830
Registered: Oct 2003
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posted 05-01-2006 01:10 PM
I don't see how you could do this without changing the backing plates. If you just tried to stick a wider drum on, the flange on the axle would no longer rest against the inside of the drum, the studs would be too short. The track would change by 3/4 of an inch on each side.I'll stay tuned to see what he says, but I just don't see how......
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68 Coop
Gearhead Posts: 5847
From: Mesquite, NV. 89027
Registered: Oct 2004
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posted 05-01-2006 01:25 PM
Me too. I just bought a front disc kit, but I had planned on doing the drums before that, so now I have the front drums and shoes going to waste. Same cylinder size front and back right? Thanks------------------
William
The easiest way to find something lost, is to buy a replacement. 68 Coupe
289
C4
2:79 rear gears
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66 fastback
Gearhead Posts: 223
From: Califon, NJ 07830
Registered: Oct 2003
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posted 05-01-2006 01:35 PM
I know of this conversion and did it on my car, I used my original wheel cylinders. http://mustangsandmore.com//ubb/RearBrakesbySamGriffith.html
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68 Coop
Gearhead Posts: 5847
From: Mesquite, NV. 89027
Registered: Oct 2004
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posted 05-01-2006 02:26 PM
The Zone can't even get salvaged plates for the 84 Town car???
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66 fastback
Gearhead Posts: 223
From: Califon, NJ 07830
Registered: Oct 2003
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posted 05-01-2006 02:33 PM
I contacted www.junkyarddog.com $50 for the pair. I bought new drums, and picked up shoes and a new hardware kit because the hold down parts are different.
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68 Coop
Gearhead Posts: 5847
From: Mesquite, NV. 89027
Registered: Oct 2004
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posted 05-01-2006 03:20 PM
Which plates did you get exactly, or what model would be easiest to find here, or the parts stores? Thanks for any more time and info on this.
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68 S-code GT
Gearhead Posts: 3835
From: Sayreville, NJ, US
Registered: Mar 2000
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posted 05-01-2006 10:16 PM
You want that Crown Vic that is kind of square looking. I think if you go with 1980-85 you will be ok. Just make sure that the car has 10” brakes on it because 11” drums were optional. I got a pair of backing plates from an 84 for $35 shipped!Also keep in mind that the Explored 8.8 has the same axle end bolt pattern and the disk brake from one of those could also be swapped.
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Mels65
Journeyman Posts: 7
From: Lancaster, CA
Registered: Mar 2006
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posted 05-01-2006 10:48 PM
I don't think I was clear as to my intentions, the the post I read in the archive I got the impression I could use the existing backing plates on the car, I just needed to get the correct drum to do this. Would I be incorrect thinking this, as this what was implied to me as I read the orginal post. http://www.mustangsandmore.com/ubb/Archives/Archive-000019/HTML/20011031-1-003128.html
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68 Coop
Gearhead Posts: 5847
From: Mesquite, NV. 89027
Registered: Oct 2004
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posted 05-02-2006 08:24 AM
 I just got a quote for them at $43.50 a piece. I think I'll try them with mine first, see where it goes.------------------
William
The easiest way to find something lost, is to buy a replacement. 68 Coupe
289
C4
2:79 rear gears
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66 fastback
Gearhead Posts: 223
From: Califon, NJ 07830
Registered: Oct 2003
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posted 05-02-2006 09:27 AM
quote:
Originally posted by 68 Coop:
I just got a quote for them at $43.50 a piece. I think I'll try them with mine first, see where it goes.
Try mine first? There is no way possible that you can put 2 1/2 shoes and drums on the 1 3/4 backing plates on your car. It just can't work, the drum is deeper, when it touches the backing plate the flange of the axle will be 3/4 of an inch away from the drum. The wheel studs won't even extend out of the drum enough to hang your wheel on. You can't do this without changing the backing plates, no amount of finger crossing will change the facts.
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68 Coop
Gearhead Posts: 5847
From: Mesquite, NV. 89027
Registered: Oct 2004
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posted 05-02-2006 10:13 AM
That's who I went thru. I put the info in, and some JY sent me a e-mail with that price.  If you know where I can get a set for less than 50 bucks, I'll get the money order today.------------------
William
The easiest way to find something lost, is to buy a replacement. 68 Coupe
289
C4
2:79 rear gears
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sigtauenus
Gearhead Posts: 3969
From: Va Beach
Registered: Jun 2000
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posted 05-04-2006 09:15 PM
Holy Cow Batman, we have a couple different issues here on one thread being talked about.Mel wants to know if he can use the backing plates that came with his car instead of changing them out. Mel, I remember the thread you are talking about, and specifically recall that it is one of the few topics I've seen Alex and Steve openly disagree over. I think this may take some measuring to and fitting to get a final answer. I have the parts to do both, but not the time to do it for another couple weeks. William wants to find a place to buy the deeper backing plates from for cheaper than $43 each. I'm about to redo the article with some updated information due to the preponderance of questions I still get about it on a regular basis. Namely I'm going to do some tinkering in the garage and see if it is possible to go with the backing plates from the front moved to the back with a hole drilled for the parking brake cable, as well as some issues with the center hole on the drum depending on if you have an 8" or 9" rear end. I'll also mic the depths of the different backing plates and take some better pics to document the differences. [This message has been edited by sigtauenus (edited 05-04-2006).]
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68 Coop
Gearhead Posts: 5847
From: Mesquite, NV. 89027
Registered: Oct 2004
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posted 05-04-2006 10:09 PM
Thanks Sam. My disc set is due on or around the 8th, so the weekend after that, they will be done. I'd like to do the back as soon as possible after that, so if you find out anything, let us know. I haven't seen you on here in a while, glad to see you back posting again Sam.------------------
William
The easiest way to find something lost, is to buy a replacement. 68 Coupe
289
C4
2:79 rear gears
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Mels65
Journeyman Posts: 7
From: Lancaster, CA
Registered: Mar 2006
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posted 05-05-2006 10:48 AM
I emailed Alex asking what drums he recommends to use and he said "I used brake parts from a late 60's Fairlane/Montego/Torino station wagon." I have also found this at Mustang and Fords which support what Alex said.http://mustangandfords.com/techarticles/127_0309_donor/index4.html I did send them an email trying to get more detailed information but have yet to get a response.
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