I was going to put a 2 port master cylinder on my 65 Plymouth Valiant 4 door. Would the master cylinder from a 67 Valiant, non-power drums work? What all do I need to change to make a successful conversion? I know I need a junction block. I think they sell them at Year One. Is there any particular year/model I can purchase the lines that will fit right up? Will there have to be any mods to the brake pedal?
65 Valiant 1 to 2 port mast cyl conversion
- Thread starter wh23g3g
- Start date
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The '67 will work perfectly. Just use the '67 proportioning valve as well as the '67 pushrod which attaches to the pedal.
slantsixdan
=..=
No mods to the pedal. The pushrod from the '65, actually, is probably going to be the one you wind up using. A '67 master cylinder will work fine, as will any later A-body drum-brake master. Which to pick will depend on what you want in terms of pedal effort (smaller master cylinder bore = longer pedal stroke with less effort, larger master cylinder bore = shorter pedal stroke with more effort). Stock single-master bore is 1". Whichever master you wind up with, make it a new one—not "remanufactured" (junk). Make sure the one you get comes with a new rubber pushrod retainer bushing. The distribution block/valve items are available at Inline Tube.
My 65 Signet has the entire set up from a 72 Duster. I got the BBP wheels disk brakes, proportioning valve and the master cylinder. It bolts right up. I was thinking of trying to find a factory power brake braket from a 64/5 and try and make something work...... The duster power brake wont bolt right up or it will but then the MC is right next to the exhaust manifold
mpgFanatic
Well-Known Member
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