Dual Master Cylinder Conversion |
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Daniel_Buck
Member Joined: 01 Apr. 2012 Location: Gilroy Status: Offline Points: 1200 |
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ahh, that makes sense I guess :)
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2a #40500
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garage gnome
Member Sponsor Member Joined: 12 Jan. 2011 Location: Western MA Status: Offline Points: 2834 |
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It increases braking power. Larger pistons on smaller pistons means less force needed on the pedal to stop in the same time as it would with the stock MC. I noticed a huge difference in it when I did mine.
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Nate
1953 3A, 1949 3A, 1947 2A, 1918 IHC Titan 10-20, 1905 IHC Famous, other hit n misses |
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Daniel_Buck
Member Joined: 01 Apr. 2012 Location: Gilroy Status: Offline Points: 1200 |
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Nice! I wasn't expecting that, shoot maybe I'll just try the MC kit and see if I still think I need disc brakes.
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2a #40500
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jalbrecht55
Member Joined: 29 Apr. 2013 Location: PA Status: Offline Points: 114 |
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Are you guys sure about that? At least for me, my original MC was 1"
bore; Herm's dual kit (drum brake) was 1" bore. I couldn't really feel any
difference between a rebuilt original and the dual setup (comparing 4-wheel 11" drum in both cases).
If you want "easier" more powerful brakes, you'd want a smaller bore MC or larger bore wheel cylinders. If you want "harder" brakes with less pedal travel, you'd want a larger bore MC or smaller bore wheel cylinders. If you want good firm brakes that don't take much effort... might I recommend something like my wife's honda accord. Edited by jalbrecht55 - 13 May 2013 at 9:18pm |
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'47 Willys CJ-2A -- - www.pirate4x4.com/forum/showthread.php?t=690670
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longakerfrank
Member Joined: 14 Feb. 2009 Location: Roanoke, VA Status: Offline Points: 71 |
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Ralf;
Did you have to lengthen the pin (that attaches to the brake pedal) that pushes the master cylinder plunger rod when you installed Herm's bracket? My plunger rod is at an angle from the brake pedal to the MC and it appears that I need about 1/4 inch longer pin (shaft) to make the plunger go into the MC straight. Also, it appears in you pictures you did not use the original plunger rod. Did you get something from someplace like NAPA?
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Frank Longaker
42 Script GPW 46 column shift 46 T3-C 55 T-bird 23 model T 65 Jacobsen Farmall Cub "Everything being worked on or in pieces" |
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pa cj
Member Joined: 14 June 2016 Location: Ogden, UT Status: Offline Points: 31 |
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Blast from the past! Ralf, how is that Fairmont master cylinder holding up for you? I’m in need of a new MC with front disk brakes.
Did anyone ever do the R&P remote resivoir setup? It doesn’t look like it’s avaialbale on their site anymore but there new site seems to be a mess and still under construction...
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1946 CJ2a Super stocker, buick 225, Ford T18, D18
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Tow hook
Member Joined: 28 Aug. 2019 Location: Western pa Status: Offline Points: 15 |
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i'm in the process to bleeding my kit as well. how is the pedal travel now still 1" ?. mine bottoms out / stops at 1" of travel. there seems to be a lot of twecking of this kit from what i'm reading. thanks brian
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KC-10ENG
Member Joined: 07 Oct. 2012 Location: Las Vegas Status: Offline Points: 158 |
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I have the R&P set up installed on my 48. It uses a Wilwood MC. I changed out the remotes for one off of an off-road car so it is all metal and is labeled front and rear. Matches under hood much better.
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1948 CJ2A
Retired USAF |
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storm_factory
Member Joined: 03 May 2021 Location: Colorado Status: Offline Points: 10 |
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Old thread but in case anyone is trying to do this as a drum/drum conversion autozone has a much better master cyl than the cardone one. part #1292, the ports are both 1/2" NPT but the flanges are machined so a banjo bolt will actually seal if you go that route.
There is a weird brake rod retaining thing but you can remove the c clip on the master cyl and take it out before bench bleeding.
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