I have Master Power Brakes in two cars, a 56 Ford and 57 Ford. In both cases the pedal is only about 1 /2 from the floor. I have an extension for the arm from the pedal. Has anyone had experience replacing this arm? Do I need to remove the booster or can I replace it from under the dash.Thanks

You have aftermarket kits on both cars from MASTER POWER BRAKES?

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Sorry, I’m not understanding you. “Arm from the pedal”. Do you mean the rod from the arm that goes thru the firewall and pushes on the booster (or the master cylinder on manual brakes)

miker
55 bird, 32 cabrio F code
Kent, WA
Tucson, AZ

The flat steel arm that attach's to the pedal arm. From the pedal it goes into the rubber boot, I assume then to the master cylinder push rod?. These are both aftermarket kits from Master Power Brake.  Before I pulled the boot off I thought I would ask if anyone has worked on these units.

The BEST thing to do (IMO) before modifying is to contact MPB (or research their TECH INFO on the inner-screen) to see if you can identify the problem(s).

Nothing in the INSTRUCTION SHEET(s)?

The cars are drum/drum or disc/drum?

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OK-good info thanks.