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Disk Brake Conversion for '62 Classic |
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Rebel 327 
AMC Addicted 
Joined: Feb/04/2009 Location: Ohio Status: Offline Points: 573 |
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 Posted: May/10/2012 at 8:50am |
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You can get a master cylinder from NAPA or others with correct bore and ports on correct side. Just get one for 63-6 Ambassador/Classic with disc---actually from what I have found the drum and disc MC is the same. Others may have found otherwise. May have to re-use or make the rod--not a big deal.
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Rebel 327 4-speed
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farna
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Moderator Lost Dealership Project Joined: Jul/08/2007 Location: United States Status: Offline Points: 7102 |
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Posted: May/10/2012 at 9:21am |
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The drum and disc MC for the early (65-66) four piston disc brakes might LOOK the same, but they aren't. Internally there is a larger reservoir for the front brakes even though the cap (with screw in the center) looks the same. The Wagner drum MC also has a larger reservoir for the front brakes, but the disc front reservoir is a bit larger than the front drum reservoir. The residual pressure valve is defeated by a bleed hole in the edge of the tube seat (so it won't hold pressure). I would assume the check valve was left out as well, but maybe not. I've never taken a Wagner disc MC apart for rebuilding.
As stated before, the drum MC can be used with 2.6" or the old Bendix four piston disc brakes, just remove the residual pressure valve. I've done this many times on different Ramblers with front disc conversions. |
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Frank Swygert
American Motors Cars Magazine www.amc-mag.com |
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AfterhoursFab
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Joined: Apr/26/2012 Location: NJ Status: Offline Points: 15 |
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Posted: May/10/2012 at 2:07pm |
Yep, a quick search revealed the sheetmetal screw and claw hammer trick, pulled out the brass seat for the front brakes (rearward port on the master) and saw nothing inside but a space of about 1" in depth behind where the brass would be and a small hole at the end. But ya, we'll try to use this master and if anything comes out unfavorably, it'll be the first thing to go.
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farna
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Moderator Lost Dealership Project Joined: Jul/08/2007 Location: United States Status: Offline Points: 7102 |
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Posted: May/10/2012 at 6:36pm |
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Just had to check!!
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Frank Swygert
American Motors Cars Magazine www.amc-mag.com |
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farna wrote: