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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

Master cylinder upgrade

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Old Jun 27, 2015 | 01:04 AM
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Master cylinder upgrade

After reading the many threads on here discouraging the rebuild of the original master cylinder, I've decided to upgrade to a dual reservoir master cylinder. I want to mount it in the original location. I'll make my own bracket. I don't want disc brakes (at this time), and I'd like to keep it all manual as well. What year and make would be the best master cylinder to use? Obviously I need one that goes to a manual drum brake vehicle. Does it matter if it's a car or truck master cylinder? Do any of them have different mounting patterns (wider or narrower, narrower preferred so I can mount it next to the frame and still align with the brake rod)?
 
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Old Jun 27, 2015 | 11:28 AM
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Your brakes are the same as found on F-100's up through the 60's and into the 70's. I would use one from a 67-72 F-100 with manual drum brakes. It should work fine.
 
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Old Jun 27, 2015 | 12:26 PM
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A common MC to use is C9AZ-2140-D, this has the 10# residual valves in the MC. This Ford # can be crossed over to your brand. It was used on 67-70 Ford pass. cars with drum brakes. Having the residual valves in the MC itself saves some bucks and real estate as far as plumbing goes. Not sure if the port sizes match the F-100 brake lines, but I think so.
 
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Old Jul 10, 2015 | 05:58 PM
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Found a Dorman one on Amazon that has the OE PN in the description;
Amazon.com: Dorman M73323 New Brake Master Cylinder: Automotive Amazon.com: Dorman M73323 New Brake Master Cylinder: Automotive

Thanks for the help!!
 
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Old Jul 10, 2015 | 07:32 PM
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To piggyback on this thread: Would this also serve as a suitable replacement for a 1948 master cylinder?
 
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Old Aug 12, 2015 | 09:41 PM
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I'm no expert, but I don't see why not.
 
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Old Aug 14, 2015 | 06:07 PM
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Alright, finally pulled the trigger and ordered the "recommended" master cylinder. Also picked up some 1/4" plate to make the bracket for the master cylinder.
 
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Old Aug 18, 2015 | 06:37 PM
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Did you take any pictures of the bracket you had to make? I need to do this too.
 
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Old Aug 18, 2015 | 11:41 PM
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Originally Posted by JPMallory
To piggyback on this thread: Would this also serve as a suitable replacement for a 1948 master cylinder?
It's a different mount, 2 bolt as opposed to three.
 
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Old Aug 19, 2015 | 04:12 AM
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Originally Posted by harleymsn
It's a different mount, 2 bolt as opposed to three.
Thank you. I did see that, I'm looking at an adapter. After some more research, I think I know what I need now.
 
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Old Aug 22, 2015 | 11:48 PM
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Originally Posted by 91Fbody
Did you take any pictures of the bracket you had to make? I need to do this too.
Sorry, no, I haven't finished it yet. It's been too hot outside lately to do any kind of metal work. I'll post pics when I do finish...whenever that happens, lol.
 
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Old Aug 23, 2015 | 07:49 AM
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Originally Posted by Resurrected 56 F100
Sorry, no, I haven't finished it yet. It's been too hot outside lately to do any kind of metal work. I'll post pics when I do finish...whenever that happens, lol.


Is this what youre looking for
 
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