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  #1  
Old July 5th, 2015, 09:56 AM
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Default Wagner Dual Master

Looks like the Wagner dual master most of us use is out of production. The number was/is F66857 or MC66857. NAPA number 96246. No one has it anymore except Rock Auto. Amazon says no longer available and the usual autoparts places say the same.

Is there another one that fits the same?
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Old July 5th, 2015, 10:51 AM
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I believe I used one for a 1976 corvette.
Non power disc/disc version.
Andy
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Old July 5th, 2015, 08:23 PM
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I used a Dorman M56193
It is a direct fit to the M715, with a 1" bore, used in 60's-early 70's AMC and Jeep
http://www.ebay.com/itm/Dorman-M5619...71b41e&vxp=mtr
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Old July 6th, 2015, 05:57 AM
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Quote:
Originally Posted by jeepdan View Post
I used a Dorman M56193
It is a direct fit to the M715, with a 1" bore, used in 60's-early 70's AMC and Jeep
http://www.ebay.com/itm/Dorman-M5619...71b41e&vxp=mtr
Looks like the Wagner except the ports are on the opposite side.
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Old July 6th, 2015, 06:21 AM
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Quote:
Originally Posted by rboltz View Post
Looks like the Wagner except the ports are on the opposite side.
Except in the first picture, the ports are on the left side! Gosh, I wonder which side they REALLY are on?

Gotta love digital photography.
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Old July 6th, 2015, 06:22 AM
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Just checked the Dorman site. They are the same pictures!!! Hmmm....
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Old July 6th, 2015, 03:13 PM
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Alright, I guess that I should have provided pictures LOL

The fittings on the inner side might be a annoyance to work around.
But, it is a direct fit to the firewall and pedal assembly.



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Old July 7th, 2015, 12:42 PM
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Always an alternative if all else fails. I would have to retube the lines to the other side. It was a pain bending them on the left!!!
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Old January 14th, 2018, 03:58 PM
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Old thread, I know. Dan, can you re-post your photos of how you plumbed the brake lines? I'm about to replace my entire brake system, and I'd like to go with a dual master. Also, is there anything else that needs to be done to use this master, such as adjusting the brake push rod, etc.

Last edited by Uncle Vin; January 14th, 2018 at 04:08 PM.
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Old January 15th, 2018, 05:46 AM
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Quote:
Originally Posted by Uncle Vin View Post
Old thread, I know. Dan, can you re-post your photos of how you plumbed the brake lines? I'm about to replace my entire brake system, and I'd like to go with a dual master. Also, is there anything else that needs to be done to use this master, such as adjusting the brake push rod, etc.
Sure, no problem at all. Glad to help.

Rear Brakes: Remove the rear axle supply brake line from the rear hole of the brass junction block, and then connect to the front port of the new dual master cylinder.

Front Brakes: Then run a 1/4" line (it's the green line in picture) from the rear port of the new dual master cylinder down to that rear hole of brass junction block.

The top hole of the brass junction block gets plugged, after removing the old supply line from the original single circuit master cylinder.

No adjustment is needed to the original pushrod.


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