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Dual brake conversion

Started by KennyOne, 2026-07-17 16:32

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KennyOne

I want to replace the 3 brake hoses and convert to a dual system.  Which master cylinder should i use?
I have a Town Coupe being shipped from Oregon that should be here in maybe 2 weeks.  It needs some mechanical work and I am sure I will be needing some things.

KULTULZ


This style will bolt directly to your present spindles and keeps the OEM front end settings in spec as compared to a GRANADA SWAP.

Hopefully, you don't want to use a GM STYLE CONVERSION.

Do you want power assist?

MEL DIVISION - 1958-1960

MERCURY - EDSEL - LINCOLN

KULTULZ

Wait a minute ...  :-\

You want to retain four wheel drum?
MEL DIVISION - 1958-1960

MERCURY - EDSEL - LINCOLN

Gene

Quote from: KULTULZ on 2026-07-24 14:18Wait a minute ...  :-\

You want to retain four wheel drum?

Hmmm, I might.  Got a link for that?
Gene   
57 Skyliner
1928 Model-A
1967 ElCamino
1936 Plymouth streetrod

KULTULZ

Quote from: Gene on 2026-07-26 15:40Hmmm, I might.  Got a link for that?

Do you mean FRT and RR DRUM DUAL CIRCUIT conversion?
MEL DIVISION - 1958-1960

MERCURY - EDSEL - LINCOLN

RICH MUISE

I assumed he was just asking about a dual reservoir master (and associated brake line changes) to replace the stock single reservoir
I can do this, I can do this, I, well, maybe

KULTULZ

Need to know exact application (incl any previous modifications) and desired results to answer correctly.
MEL DIVISION - 1958-1960

MERCURY - EDSEL - LINCOLN

Edd505

#7
Drum Ft  Drum Rr I added a booster and got the setup from here bolt on I bought premade lines at a local store to separate front from rear.
Brake Kit Drum Drum

57 Custom 300 2dr 312 4V     58 Custom 2dr w/57 nose & 57 rear
94 Eddie Bauer Bronco 5.8      94 F150 EC LB 5.8
2012 F150 CCSB )hers)   2022 F350 6.7 CCLB (his)

None of us is as smart as all of us.

Gene

Yes - " about a dual reservoir master (and associated brake line changes) to replace the stock single reservoir".   I might some day enjoy power brakes, and why not go to dual master at that time.  I don't mind bending some new brake lines, but I don't really want to go find small pieces to make it all fit, and work.

I have great brakes already, since my car, and the station wagons had the bigger brakes.
Gene   
57 Skyliner
1928 Model-A
1967 ElCamino
1936 Plymouth streetrod

KULTULZ

Quote from: Edd505 on 2026-07-27 15:35Drum Ft  Drum Rr I added a booster and got the setup from here bolt on I bought premde lines at a local store to separate front from rear.

Brake setup

OK, I am cornfused (not that it takes a whole lot) -

You have a four wheel drum car and you want a booster and split circuits?

You bought the above Kit shown which included a GM CORVETTE style dual reservoir MC.

Why did you not plumb that MC into a dual system?

Quote1957-1959 Ford Mercury 8" Dual Power Brake Booster + Bail Top Master Cylinder Drum Drum Valve Kit]/b]


This is a 1957-1959 Ford Car Power booster kit. This unit is designed to bolt directly to your firewall and comes with the correct brackets to mount it, and it comes with a 1" bore Corvette style master cylinder and a 8" dual diaphragm booster. This set up will work for disc/disc, disc/drum or even drum/drum, you will just need to add a proportioning valve to suit your application. The mounting brackets tilt the booster and master slightly for better clearance. Be sure to check my eBay store for many great deals on any other accessories you need.

    Features:

    8" Dual Zinc brake booster with Bail Top Master Cylinder
    The booster mounts with a 4-bolt pattern.
    The 4 bolts are in a perfect square and are 3 3/8" apart (center to center).
    The master cylinder in this kit is the Bail Top style and features a  1-1/8" bore
    This master has ports on both sides (9/16" and 1/2") and includes plugs to block the unused ports (4 Ports Total).
    This master cylinder will work with your drum/drum setup.

Package Includes:

    8" Dual Zinc Booster Conversion Kit
    1-1/8" Bore Cast Iron Dual Bail Master Cylinder
    Mounting Bracket for 1959-1964 GM Full Size Car
    Brass Left Mount Drum/Drum Proportioning Valve Kit
    Regular Steel Line Kit
    Brake Light Warning Switch

Please Note: Professional Installation is Highly Recommended (No Instructions Included)

MEL DIVISION - 1958-1960

MERCURY - EDSEL - LINCOLN

KULTULZ

...just a cotton-pickin minute ...

All of this (kit) sells for what (see ad)?

Something is not right here ...
MEL DIVISION - 1958-1960

MERCURY - EDSEL - LINCOLN

KULTULZ

Are you wanting further help?

You bought that complete changeover kit and only used the booster?

No one bites here (that I know of).
MEL DIVISION - 1958-1960

MERCURY - EDSEL - LINCOLN

KYBlueOval

There appears to be a contradiction in the description of this brake kit.
In the first paragraph, it describes the M/C as being a 1 inch bore.
Under the "Features", it say the M/C bore is 1 1/8 inch bore.
Caveat Emptor = Buyer Beware

Edd505

Quote from: KULTULZ on 2026-07-30 07:13OK, I am cornfused (not that it takes a whole lot) -

You have a four wheel drum car and you want a booster and split circuits?

You bought the above Kit shown which included a GM CORVETTE style dual reservoir MC.

Why did you not plumb that MC into a dual system?



Try this one the guy made them thought it was the correct link here'Drum Drums the drum drum
57 Custom 300 2dr 312 4V     58 Custom 2dr w/57 nose & 57 rear
94 Eddie Bauer Bronco 5.8      94 F150 EC LB 5.8
2012 F150 CCSB )hers)   2022 F350 6.7 CCLB (his)

None of us is as smart as all of us.

KULTULZ

- Caveat Emptor = Buyer Beware -

NO TRUER WORDS HAVE EVER BEEN UTTERED

HOW CAN YOU SELL ALL of THIS FOR SUCH A RIDICULOUS PRICE?

MEL DIVISION - 1958-1960

MERCURY - EDSEL - LINCOLN