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70 b body master cly source #2791778
07/02/20 07:02 AM
07/02/20 07:02 AM
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Abilene, Texas
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fastmark Offline OP
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I am looking for a new master cly for a 70 b body with powers discs. I am looking for the tall one with the lines that exit on the fender side. They would be found on most hemi cars and some Superbirds. I have bought these before I have also bought the ones for the wedge motors with the lines exiting on the engine side. I have ordered three master cly so far from Rock auto and Napa and have received the casting with old universal core that has the provisions for the exits on BOTH sides. It just does not look right and is not acceptable on this restoration. Does anyone know of a reliable source that has the correct looking master cly? All of the sources I bought from showed the correct master cly in the picture but sent this stupid looking universal core. I’m not sure if I ordered the master for the wedge engine now if it would come with the same stupid core. Anyone ordered on in the last few months.

Re: 70 b body master cly source [Re: fastmark] #2791779
07/02/20 07:10 AM
07/02/20 07:10 AM
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It's a dry heat
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It's a dry heat
look at a Raybestos # 36283

Re: 70 b body master cly source [Re: gtx6970] #2791859
07/02/20 10:29 AM
07/02/20 10:29 AM
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VA
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dragon slayer Offline
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Centric 130.63055 been on my car since 2014.

Re: 70 b body master cly source [Re: dragon slayer] #2791982
07/02/20 06:30 PM
07/02/20 06:30 PM
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Abilene, Texas
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Originally Posted by dragon slayer
Centric 130.63055 been on my car since 2014.


2014 is the problem. I’ve bought one then as well. this is a recent change. I just ordered a new and rebuilt ones from O’riellys. Well see. The new Centric I ordered from rock auto were the 4 outlet type.

Re: 70 b body master cly source [Re: fastmark] #2792062
07/02/20 09:55 PM
07/02/20 09:55 PM
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Is this for a hemi, or just going with outside lines?
A recent search show that this is available and looks like only left side port.

Last edited by dragon slayer; 07/02/20 09:59 PM.
Re: 70 b body master cly source [Re: dragon slayer] #2792072
07/02/20 10:05 PM
07/02/20 10:05 PM
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Just check and still have a New Old Stock Cast 2225621 Bendix Left Port for Disc Brake. This is original Bendix.
Generic warning Cap with gasket
This was a Year One Product, still in box New condition. PM me if you want it.

Re: 70 b body master cly source [Re: dragon slayer] #2792079
07/02/20 10:22 PM
07/02/20 10:22 PM
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Posts: 6,311
Crook County, ILL
Mastershake340 Offline
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If you want to get technical, the MC with casting number 2225621 is not OE correct for ‘70 PDB hemi cars. The correct MC had casting number 2229191. Good luck finding an aftermarket version of that!
The only cars that used the 2225621 casting number MC in 1970 were C bodies and manual disc brake B bodies (taxi cabs).

Re: 70 b body master cly source [Re: Mastershake340] #2792171
07/03/20 06:08 AM
07/03/20 06:08 AM
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Abilene, Texas
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This is not a hemi car. I just happen to get new lines and they were shipped left side exit. I’ve got the lines installed and one of my spare oem Bendix masters installed as a loaner to the customer. Dragon, I’ll pm you about the part if O’riellys does not work out. This is a clone six pack car so numbers don’t matter, just looks. And yes, everyplace I’ve ordered from has the correct picture and it still comes in with 4 outlets. They look like one of those African Warthogs.

Re: 70 b body master cly source [Re: fastmark] #2792213
07/03/20 09:17 AM
07/03/20 09:17 AM
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My 70RR is a 383 but had left exit lines when I bought it. Replaced all the front brakes and line and kept the original routing too. Had a Bendix that went bad. Too bad the more recent parts have gone completely generic. I have seen the dual exit MC. Not as bad as those GM set ups I see guys using:-( G

Re: 70 b body master cly source [Re: dragon slayer] #2792227
07/03/20 09:41 AM
07/03/20 09:41 AM
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Crook County, ILL
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The problem is that most likely all the aftermarket companies are sourcing their parts from the same Chinese supplier. So if the supplier is using the generic casting with outlet bosses on both sides, that’s what you are going to get now unless you luck into some older stock.
Rebuilt might be a better bet, but even with that you run into the risk that many rebuilt master cylinders are bad right out of the box.

Re: 70 b body master cly source [Re: Mastershake340] #2792445
07/03/20 08:53 PM
07/03/20 08:53 PM
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Las Vegas, NV
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how much of those bosses could be cut off without problems work

moparts 1969 disc brake master cylinder (2).jpg
Re: 70 b body master cly source [Re: fastmark] #2792503
07/04/20 01:47 AM
07/04/20 01:47 AM
Joined: Dec 2007
Posts: 16,902
Mass
DAYCLONA Offline
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Originally Posted by fastmark
Originally Posted by dragon slayer
Centric 130.63055 been on my car since 2014.


2014 is the problem. I’ve bought one then as well. this is a recent change. I just ordered a new and rebuilt ones from O’riellys. Well see. The new Centric I ordered from rock auto were the 4 outlet type.



The 4 port models are C body, Bill already listed the correct # above Raybestos 36283, you can get one from Summit Racing under pn# agb-mc36283

Mike

master70b.JPG
Re: 70 b body master cly source [Re: DAYCLONA] #2792506
07/04/20 01:54 AM
07/04/20 01:54 AM
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Mass
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...Autozone PN# M1404

masterccccc.JPG
Re: 70 b body master cly source [Re: DAYCLONA] #2792507
07/04/20 02:09 AM
07/04/20 02:09 AM
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Mass
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..... PN# M1475 (Autozone) should yield you a master with the lines inboard facing the engine should you desire that?, B/RB "usually" had the lines inboard on the PDB set ups, HEMI was outboard/fenderside on PDB

I do a fair amount of wingcar conversions, my customers are always looking for these tall masters (inboard/outboard lines) when equipped with the Bendix Dual diaphram booster, I've given you my 2 sources for these.... hope this helps

Mike

Re: 70 b body master cly source [Re: DAYCLONA] #2792531
07/04/20 06:59 AM
07/04/20 06:59 AM
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Abilene, Texas
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Dan, I have considered cutting them off but this is a customers car that needs to look right and I have to charge him for the labor. It might heat the casting up too much. Idk. Dayclona, if you have a source for the proper looking one, you might need to buy some up. I have ordered a total of SEVEN master cly from FOUR four different sources from the same pictures you are showing and all of them have came in with the four outlet casting. I hope that is not going to be true for the wedge master with the engine exits as well. This is a 440 clone car so I may have to switch sides. It just that we already have the fender side lines on the car.

Re: 70 b body master cly source [Re: fastmark] #2792572
07/04/20 10:13 AM
07/04/20 10:13 AM
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VA
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Standing by if you or anyone else needs an original Bendix USA made. This was used on 67 all engine B bodies, 68-69 Hemi B body, 69-70 C body. Power Disc brakes. 70 B used same MC type, except ports to engine side as discussed. Has box. 1 1/8" bore. Just in case someone sticks a mirror under the MC grin

20190616_085508_resized.jpg20190616_085531_resized.jpg20190616_085558_resized.jpg
Re: 70 b body master cly source [Re: dragon slayer] #2792594
07/04/20 11:43 AM
07/04/20 11:43 AM
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Abilene, Texas
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Check your pm box

Re: 70 b body master cly source [Re: fastmark] #2792616
07/04/20 12:45 PM
07/04/20 12:45 PM
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Posts: 7,951
Polson, MT
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I carry the tall, 1 1/8" bore reproduction master cylinder with fender side fluid ports.

http://mbmbrakes.com/mc5621-1960-1970-mopar-master-cylinder/

Re: 70 b body master cly source [Re: DoctorDiff] #2792741
07/04/20 07:03 PM
07/04/20 07:03 PM
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Abilene, Texas
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Sorry Cass, I’ve been buying masters cly from Rock auto or local, I forgot about you. I’ll shoot you an email. My bud in Dallas ordered one. We’ll see what happens when it comes in Monday.

Re: 70 b body master cly source [Re: Mastershake340] #2794137
07/08/20 01:32 AM
07/08/20 01:32 AM
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southeast NE
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MBM brakes and Pirate Jacks has reproduced these I believe. Don't know which actually is reproducing them.

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