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Old 05-18-2009, 07:42 AM   #1
ctfortner
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Default 9 Inch small bearing rear end - need brakes

Hello all, dazed and confused.

I recently bought a 9" housing that is small bearing 28 spline.

I need backing plates and drums. The cheapest "new" brake set I can find is $400 for 10" or $500 for 11", as they say the small bearing are more rare than the big bearing, thus the larger price tag.

Is this my best choice or should I consider going disc at this point, or is there a cheaper alternative to add brakes to this thing? Could I used brakes from an 8" or something else?
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Old 05-18-2009, 08:22 AM   #2
captain scarlet
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Default Re: 9 Inch small bearing rear end - need brakes

Try Johns Industries in Caspian Michigan 800-332-3450

I used a set of their drum kits and they work very well
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Old 05-18-2009, 08:50 AM   #3
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Default Re: 9 Inch small bearing rear end - need brakes

Currie's may be a good place to go for the backing plates.
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Old 05-18-2009, 08:56 AM   #4
ctfortner
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Default Re: 9 Inch small bearing rear end - need brakes

Thanks, checked with Johns, they have what I need, a tad cheaper at $375. Looks like if I go new, thats going to be about what it costs.

I will see what currie has also.
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Old 05-18-2009, 09:01 AM   #5
Ratmotor
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Default Re: 9 Inch small bearing rear end - need brakes

I used 66 Fairlane 10 inch brakes from an 8 inch on my 59 Ford 9 inch....backing plates and all.I did however have to machine the drums a bit to clear the backing plate edges.
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Old 05-18-2009, 09:13 AM   #6
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Default Re: 9 Inch small bearing rear end - need brakes

11" small bearing 9" brake drums are rarer than others, yes. However, 10"x2.5" is an option. Axle shafts are the same between 8" and sm. bearing 9" so I would say the backing plates and drums should interchange.
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Old 05-18-2009, 09:16 AM   #7
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Default Re: 9 Inch small bearing rear end - need brakes

Quote:
Originally Posted by havi View Post
11" small bearing 9" brake drums are rarer than others, yes. However, 10"x2.5" is an option. Axle shafts are the same between 8" and sm. bearing 9" so I would say the backing plates and drums should interchange.
yep, the 10x2.5 were on may late 60s fords. if you have the backing plates then the guts + drums should not run you more than ~$150.
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Old 05-18-2009, 09:29 AM   #8
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Default Re: 9 Inch small bearing rear end - need brakes

First figure out the brake offset, which is the measurement from the outside of the axle flange to the inside of the axle retaining flange. There are different brake offset measurements, 2", 2 1/4", and 2 1/2". Once you have the brake offset, you can have a better idea of what to look for as 8" brakes are the same and are easier to find, but they only come in 10" versions.
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Old 05-18-2009, 10:23 AM   #9
19Fordy
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Thumbs up Re: 9 Inch small bearing rear end - need brakes

Quote:
Originally Posted by ctfortner View Post
Hello all, dazed and confused.

I recently bought a 9" housing that is small bearing 28 spline.

I need backing plates and drums. The cheapest "new" brake set I can find is $400 for 10" or $500 for 11", as they say the small bearing are more rare than the big bearing, thus the larger price tag.

Is this my best choice or should I consider going disc at this point, or is there a cheaper alternative to add brakes to this thing? Could I used brakes from an 8" or something else?
I followed the info in the tech article (Below) and installed 1990 Lincoln Towne car backing plates, drums and brakes (which are 10 x2 1/2) on my 1973 Mustang 9 in. small bearing rear. The entire rear wheel brake assembly for both wheels - including drums, loaded backing plates cost me $50 and is a direct bolt on. All I had to do was make spacer rings to fit the "nub" of the 9 in axle and the large hole in the brake drum. This was done so as to center the drum on the axle and not by using the axle studs to center the drum and carry the load.. I have an extra set of the spacers if you need them. This is a "soild gold" tech article. I have also attached photos I took at the junk yard and the parts I removed from the Lincoln. You will have to remove "C" clips that hold the axles in the Lincoln pumpkin. Then axles come right out. If needed you can by new brake shoes, springs, drums etc at any parts store. Not expensive. I painted and labeled final assembly. Here's the tech article.
http://mustangsandmore.com//ubb/Rear...mGriffith.html The article also shows what other rear brake assemblies will also work. The wheel mounting surface to wheel mounting surface did not change since the Lincoln Towne car backing plates had more offset. Don't crawl under the junkyard car with only the jack supporting the vehicle. Hope this helps and removes "dazed" and "confused" feeling.
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Last edited by 19Fordy; 05-18-2009 at 11:09 AM.
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Old 05-18-2009, 10:41 AM   #10
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Default Re: 9 Inch small bearing rear end - need brakes

I did a write-up on a pretty cheap way to do a disc install not long ago. Look here:
http://www.jalopyjournal.com/forum/s...d.php?t=358587
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Old 05-18-2009, 11:37 AM   #11
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Default Re: 9 Inch small bearing rear end - need brakes

i have a pair of 9" ford small bearing loaded backing plates here , i have no idea what car they came off of. they are 11". if you any need measurements let me know
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Old 05-18-2009, 01:35 PM   #12
ctfortner
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Default Re: 9 Inch small bearing rear end - need brakes

Wow, thanks for all the info guys, extremely helpful! I knew yall would pull through.

I have measured about everything on the rear, except for the offset, I will check it out tonight.

I am considering the disc option too, although I recently installed my new master which is disc/drum and would have to start over with that.

19fordy that is perfect! Thanks for that info. I am going to read through that and if I go that way I will def. hit you up for the spacers if you dont mind.
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Old 05-18-2009, 01:35 PM   #13
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Default Re: 9 Inch small bearing rear end - need brakes

Quote:
Originally Posted by 36-3window View Post
i have a pair of 9" ford small bearing loaded backing plates here , i have no idea what car they came off of. they are 11". if you any need measurements let me know
That would be great. I wonder what drums i would need to use, and how hard they would be to get hold of, unless you have those also?
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Old 05-18-2009, 01:53 PM   #14
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Default Re: 9 Inch small bearing rear end - need brakes

Too bad you don't need a 9 inch big bearing set up. I have a complete brake set up from a 1973 Grand Torino wagon that I've wanted to give away for some time now with no takers. I don't have the heart to throw it away. Probably too expensive to ship due to the weight. Oh well.
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Old 05-18-2009, 02:03 PM   #15
ctfortner
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Default Re: 9 Inch small bearing rear end - need brakes

I had one guy said he used the big bearing plates, and just redrilled them as needed. I will talk to him about that.
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Old 05-18-2009, 03:11 PM   #16
ctfortner
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Default Re: 9 Inch small bearing rear end - need brakes

Reckin mid-late 60's galaxy drums and brakes would fit? I know where a few are if they would.
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Old 05-18-2009, 03:49 PM   #17
19Fordy
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Question Re: 9 Inch small bearing rear end - need brakes

Quote:
Originally Posted by ctfortner View Post
Wow, thanks for all the info guys, extremely helpful! I knew yall would pull through.

I have measured about everything on the rear, except for the offset, I will check it out tonight.

I am considering the disc option too, although I recently installed my new master which is disc/drum and would have to start over with that.

19fordy that is perfect! Thanks for that info. I am going to read through that and if I go that way I will def. hit you up for the spacers if you dont mind.
I would like to know how you determine the pinion offset. I used the following formula that was told to me. Pinion offset equals 4.375 -(Length of Pass axle minus Length of Driver side axle) divided by 2. the number 4.375 is a Constant, but I don't know why. Please let me know if this makes sense and works works for you. thanks, jim

Last edited by 19Fordy; 05-18-2009 at 03:55 PM.
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Old 05-19-2009, 07:32 AM   #18
TomT
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Default Re: 9 Inch small bearing rear end - need brakes

I'm using 8" backing plates but with 2" shoes/drums off a Granada on my 40 - works really nicely and it was real cheap!
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Old 05-19-2009, 07:41 AM   #19
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Default Re: 9 Inch small bearing rear end - need brakes

Check the Ford racing drum brakes from Summit, last time I looked it was 250 for the pair, but that didnt include drums.
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Old 05-19-2009, 02:57 PM   #20
ctfortner
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Default Re: 9 Inch small bearing rear end - need brakes

I have a set of brakes and drums from a 77 maverick and also a set from a comet I am going to try when I get some time. Maybe they will work. That would be great, and cheap!
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