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PostPosted: Wed Dec 16, 2020 4:51 pm 
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Joined: Sat Oct 12, 2002 12:57 am
Posts: 1343
Location: Grass Valley, Ca.
Car Model: '63 Dodge Dart GT Convertible
I am helping a friend who got a '66 Barracuda in the shop with 4 piston disc brakes. It has what looks like a stock shoe-type MC and some kind of proportioning valve mounted on the firewall. I've got a few questions.

What was the first year that 4 piston brakes were available?
What master cyl. was used with these?

If it should have a dual master then I would expect that the first year available was '67. I can't imagine that this setup worked right but the owner said it stopped fine. It came in because after sitting for several weeks (not sure how many) the MC was empty, and we can't see any signs of leaking at the master or cylinders. We believe that the system should be redone with a different MC. I have a box of MCs but don't know what the old disc type looks like. I have '73 single-piston discs on my '63 Dart.

Thanks

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PostPosted: Wed Dec 16, 2020 5:13 pm 
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Turbo EFI
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Joined: Wed Oct 12, 2005 9:00 pm
Posts: 2366
Location: kankakee IL
Car Model: 80 volare, 78 fury 2 dr, 85 D150
power brakes? Ive seen MCs leak into the booster before right out the MC piston seals.


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PostPosted: Wed Dec 16, 2020 5:16 pm 
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Turbo EFI
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Joined: Tue Nov 23, 2004 6:05 pm
Posts: 1169
Location: Desoto Texas
Car Model: 1972 Dodge Colt
Pretty sure 66 was the first year for the disk brakes on a Barracuda.
KH made the system and it was close to the Mustang system.
The one I parted years ago had the proportioning valve, but I don't remember the MC.
I parted a 66 Barracuda.

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PostPosted: Wed Dec 16, 2020 6:30 pm 
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Supercharged
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Joined: Thu Jan 27, 2005 8:32 pm
Posts: 7834
Location: SW Washington
Car Model: Fiat 500e
1966 was the first year and it came with a master cylinder that looked just like the single-pot drum master except that the reservoir was taller for more fluid capacity. In fact it looked like a sheet metal add-on to the cast iron master cylinder. If you download the 1966 Dart FSM and go to page 129 you'll see it. http://www.mymopar.com/index.php?pid=109

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PostPosted: Wed Dec 16, 2020 6:32 pm 
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Joined: Sat Oct 12, 2002 12:57 am
Posts: 1343
Location: Grass Valley, Ca.
Car Model: '63 Dodge Dart GT Convertible
Thanks guys. No power brakes on this one.

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PostPosted: Wed Dec 16, 2020 6:41 pm 
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Joined: Sat Oct 12, 2002 12:57 am
Posts: 1343
Location: Grass Valley, Ca.
Car Model: '63 Dodge Dart GT Convertible
Joshie225 wrote:
1966 was the first year and it came with a master cylinder that looked just like the single-pot drum master except that the reservoir was taller for more fluid capacity. In fact it looked like a sheet metal add-on to the cast iron master cylinder. If you download the 1966 Dart FSM and go to page 129 you'll see it. http://www.mymopar.com/index.php?pid=109


I don't see it on page 129. It would be 5-something, I think 5-44.

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PostPosted: Wed Dec 16, 2020 8:48 pm 
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Supercharged
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Joined: Thu Jan 27, 2005 8:32 pm
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Location: SW Washington
Car Model: Fiat 500e
Page 129 of the .pdf manual I linked to is page 5-36 in the paper version.

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PostPosted: Thu Dec 17, 2020 4:56 am 
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Joined: Thu Sep 03, 2020 8:50 am
Posts: 5
Location: Central, FL
Car Model: 1964 Valiant Signet Convertible
Check this thread: https://www.forabodiesonly.com/mopar/th ... ad.266225/.

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