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Which Master Cylinder to use? #2710581
10/28/19 11:19 AM
10/28/19 11:19 AM
Joined: Apr 2010
Posts: 38
Memphis, TN
M
MoparJason0O0 Offline OP
member
MoparJason0O0  Offline OP
member
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Joined: Apr 2010
Posts: 38
Memphis, TN
69 Dart Bracket race car.

I am currently using just a regular NAPA MC and need to switch it out. It is a 4 bolt, any suggestions on what to use or switch to?

Jason

Re: Which Master Cylinder to use? [Re: MoparJason0O0] #2710804
10/28/19 10:38 PM
10/28/19 10:38 PM
Joined: Jan 2003
Posts: 4,267
Morrow, OH
markz528 Offline
master
markz528  Offline
master

Joined: Jan 2003
Posts: 4,267
Morrow, OH
Discs? Drums? Disc/Drum?


67 Coronet 500 9.610 @ 139.20 mph
67 Coronet 500 (street car) 14.82 @ 94 mph
69 GTX (clone) - build in progress......
Re: Which Master Cylinder to use? [Re: markz528] #2710865
10/29/19 09:09 AM
10/29/19 09:09 AM
Joined: Apr 2010
Posts: 38
Memphis, TN
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MoparJason0O0 Offline OP
member
MoparJason0O0  Offline OP
member
M

Joined: Apr 2010
Posts: 38
Memphis, TN
All Disc

Re: Which Master Cylinder to use? [Re: MoparJason0O0] #2710877
10/29/19 10:04 AM
10/29/19 10:04 AM
Joined: Jan 2003
Posts: 8,005
Tulsa OK
Bad340fish Offline
master
Bad340fish  Offline
master

Joined: Jan 2003
Posts: 8,005
Tulsa OK
Look at Dr. Diff's page. He has some master cylinder packages that are a great value. I have his setup on my 68 Barracuda with wilwood discs all around and it works very well.

He has a kit that comes with an adapter from 4-2 bolt and a 2 bolt aluminum master. I did find it necessary to buy his adjustable push rod as well.

Last edited by Bad340fish; 10/29/19 10:05 AM.

68 Barracuda Formula S 340
87 "Chrysler" Conquest
Re: Which Master Cylinder to use? [Re: Bad340fish] #2711034
10/29/19 09:43 PM
10/29/19 09:43 PM
Joined: Oct 2007
Posts: 2,808
Wisconsin
wkroncke17 Offline
master
wkroncke17  Offline
master

Joined: Oct 2007
Posts: 2,808
Wisconsin
Originally Posted by Bad340fish
Look at Dr. Diff's page. He has some master cylinder packages that are a great value. I have his setup on my 68 Barracuda with wilwood discs all around and it works very well.

He has a kit that comes with an adapter from 4-2 bolt and a 2 bolt aluminum master. I did find it necessary to buy his adjustable push rod as well.


I’m about to need one for my Demon also, thanks to the OP.
Badfish, is this the m/c you’re speaking of?

https://www.doctordiff.com/aluminum-master-cylinder-kit.html

Re: Which Master Cylinder to use? [Re: Bad340fish] #2711072
10/29/19 11:54 PM
10/29/19 11:54 PM
Joined: Jan 2003
Posts: 4,267
Morrow, OH
markz528 Offline
master
markz528  Offline
master

Joined: Jan 2003
Posts: 4,267
Morrow, OH
Originally Posted by Bad340fish
Look at Dr. Diff's page. He has some master cylinder packages that are a great value. I have his setup on my 68 Barracuda with wilwood discs all around and it works very well.

He has a kit that comes with an adapter from 4-2 bolt and a 2 bolt aluminum master. I did find it necessary to buy his adjustable push rod as well.


Totally agree.


67 Coronet 500 9.610 @ 139.20 mph
67 Coronet 500 (street car) 14.82 @ 94 mph
69 GTX (clone) - build in progress......
Re: Which Master Cylinder to use? [Re: markz528] #2711252
10/30/19 01:47 PM
10/30/19 01:47 PM
Joined: Jun 2005
Posts: 5,097
Western Md.
skicker Offline
"The Champ"
skicker  Offline
"The Champ"

Joined: Jun 2005
Posts: 5,097
Western Md.
After talking to Dr. Diff he recommended using a 15/16" bore m/c on the Duster with 4 wheel disc brakes...Mine are Wilwood...

I used the same m/c and 4-2 bolt plate on the 69 Dart with factory 76 A Body disc brakes and 10.5" drums on the rear...

Both cars stop excellent with good pedal feel... twocents


...FAFO...






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