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Author Topic:   Master Cylinder change...
Harrys'65
Gearhead

Posts: 338
From: Saint Paul, MN
Registered: Sep 99

posted 07-10-2001 08:39 PM     Click Here to See the Profile for Harrys'65   Click Here to Email Harrys'65     Edit/Delete Message   Reply w/Quote
Has anyone swapped their single chamber cylinder for a dual chamber?
I am looking to do the swap and need some advice/guidance. Is there a page with the info on what is needed?
I currently have a 65 with 4 drums and the singe chamber cylinder. Do I need new lines? Proportioning valve? What is the best cylinder to get(for what year car?)
Is this a worth while change, I am looking to just add some safety.
Thanks for the help.
Harry

------------------
Harry Straub
'65 Mustang Coupe
http://www.harrystraub.com/resto.html

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JAAZZY
Gearhead

Posts: 723
From: Bay Area, CA
Registered: Apr 2001

posted 07-10-2001 09:02 PM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote
I did it for safety after a brake failure that could have cost me my life.

I swapped to a dual 67 MC. The problem is the rod is a little too short. It need about a .5" more length to allow the pedal to sit at the correct level. You coul probably havea competent welder do the change. I haven't done it yet and the pedal sits too low.

I have a 4 wheel disc so I can't help with the rest but I believe you will need a proportioning valve. I use one and it let me dial in the rear just right.

I'm sure there is an aftermarket MC that solves all these issues it probably just is big $$$.
Good luck.

quote:
Originally posted by Harrys'65:
Has anyone swapped their single chamber cylinder for a dual chamber?
I am looking to do the swap and need some advice/guidance. Is there a page with the info on what is needed?
I currently have a 65 with 4 drums and the singe chamber cylinder. Do I need new lines? Proportioning valve? What is the best cylinder to get(for what year car?)
Is this a worth while change, I am looking to just add some safety.
Thanks for the help.
Harry


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Fastback68
Gearhead

Posts: 874
From: Sucat, Paranaque, Philippines
Registered: Jul 99

posted 07-10-2001 09:55 PM     Click Here to See the Profile for Fastback68   Click Here to Email Fastback68     Edit/Delete Message   Reply w/Quote
I'm either right or wrong - 50/50 chance JAAZZY, you say you swapped in a dual 67 MC. I thought Stangs got dual MC's from '68.
Am I wrong?

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460-67Stang
Gearhead

Posts: 166
From: Southern Ohio, USA
Registered: Feb 2001

posted 07-10-2001 10:01 PM     Click Here to See the Profile for 460-67Stang   Click Here to Email 460-67Stang     Edit/Delete Message   Reply w/Quote
I went from all drum (6 cyl) manual setup to 4 wheel power disks. '69 Stang spindles/calipers up front, Versailles rear end w/disks in rear.

I had trouble finding the correct bore size for proper pedal feel and stroke, but finally found it.....off a '96 (or '98?)Windstar. Yup, a Windstar. 1 1/16" bore with the perfect pedal stroke length and no residual valve. Bolted right up to a factory '67 Stang power booster. Plus it's one of those small aluminum units thats light and won't ever rot. Polished up real nice!


I would think any '67 Mustang v8 drum brake MC would work great...if you have all drums that is.

FWIW,
Brian

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mellowyellow
Gearhead

Posts: 4608
From: So. Fl.
Registered: Aug 2000

posted 07-10-2001 10:38 PM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
There is an adjustable MC rod on the market. I think that NPD sells it.

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Harrys'65
Gearhead

Posts: 338
From: Saint Paul, MN
Registered: Sep 99

posted 07-10-2001 11:12 PM     Click Here to See the Profile for Harrys'65   Click Here to Email Harrys'65     Edit/Delete Message   Reply w/Quote
So, if I go with a 67 or 68 MC and see if NPD has an adjustable rod I should be OK?
Do I need to change any lines? Is the MC the ONLY thing I need to change?

Thanks
Harry

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Wicked-Toy
Gearhead

Posts: 138
From: Richmond, VA USA
Registered: Jun 99

posted 07-11-2001 08:16 AM     Click Here to See the Profile for Wicked-Toy   Click Here to Email Wicked-Toy     Edit/Delete Message   Reply w/Quote
I did this a couple of years ago on my 65.
I used a 67 MC for drum brakes. Re use your
old rod and the pedal will be fine. You will need to fab up some lines to connect the dual outlets to your brake system. Some people have just plugged the line for the rear brakes straight into the MC and used the old dist block in the car. I used an old distribution block from a Bronco with drum brakes so I could hook up the warning light if I wanted to. Took a couple of hours to do and works great.

------------------
Scott Akom
65 Coupe (Modified)
68 Coupe (Son's)
2000 GT Conv. (Wifes)
1987 GT Conv. (Son's)
1966 Project Conv.[URL=http://www.geocities.com/motorcity/flats/3845/65dsde2.jpg
www.mustangsandmore.com/ubb/WickedToy.html

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JAAZZY
Gearhead

Posts: 723
From: Bay Area, CA
Registered: Apr 2001

posted 07-11-2001 02:55 PM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote
Well I thought it was a 67 but it's been 10 years since I made the change and I can't really remember. Maybe you're right.

I'm curious if the Windstar MC would work in my car...

quote:
Originally posted by Fastback68:
I'm either right or wrong - 50/50 chance JAAZZY, you say you swapped in a dual 67 MC. I thought Stangs got dual MC's from '68.
Am I wrong?

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Fastback68
Gearhead

Posts: 874
From: Sucat, Paranaque, Philippines
Registered: Jul 99

posted 07-11-2001 09:50 PM     Click Here to See the Profile for Fastback68   Click Here to Email Fastback68     Edit/Delete Message   Reply w/Quote
I'm usually wrong, in this forum anyway! We've got two people in this thread with 67 dual MC's, so I guess I'm wrong again

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66351stang
Gearhead

Posts: 629
From: sayville,newyork
Registered: Jul 2000

posted 07-13-2001 07:14 PM     Click Here to See the Profile for 66351stang   Click Here to Email 66351stang     Edit/Delete Message   Reply w/Quote
i swaped my single master in my 66 4 wheel drum to a 67 dual master, used the old porp. block and swaped the old brake rod into the new master, i have a beautiful break pedal and stops very nice.........

------------------
ponycar66,have you flown in a ford latley???????
66-COUPE W/351SVO
glad i had a v-8 !!!!!!
84.5 gt350-61 falcon 302
have a great day!!!!!!!!

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Harrys'65
Gearhead

Posts: 338
From: Saint Paul, MN
Registered: Sep 99

posted 07-13-2001 11:33 PM     Click Here to See the Profile for Harrys'65   Click Here to Email Harrys'65     Edit/Delete Message   Reply w/Quote
Thanks guys. I will order the 67 MC and give it a shot. I will use the existing distribution block for the fronts, and connect the rear line directly to the cylinder.
If anyone has any other suggestions or input, I would greatly appreciate it.
Thanks

------------------
Harry Straub
'65 Mustang Coupe
http://www.harrystraub.com/resto.html

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steve'66
Gearhead

Posts: 4307
From: Sonoma,CA,USA
Registered: Mar 2000

posted 07-13-2001 11:57 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Harry,

That will work fine. You'll need a plug for the distribution block, and if your peddle is too low to get a full stroke, you'll need a longer rod. (sounds like Bawdy Shop material there)

SteveW

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John1966
Journeyman

Posts: 22
From: Hartford, CT
Registered: Nov 2000

posted 07-16-2001 04:07 PM     Click Here to See the Profile for John1966   Click Here to Email John1966     Edit/Delete Message   Reply w/Quote
Re: 66351stang:

I did the same thing and it worked out great.

------------------
Thanks,
John

'66 coupe, 289, c-4,3:20 open rear,headers, holley 4160, duraspark ignition.

[This message has been edited by John1966 (edited 07-16-2001).]

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66351stang
Gearhead

Posts: 629
From: sayville,newyork
Registered: Jul 2000

posted 07-16-2001 04:15 PM     Click Here to See the Profile for 66351stang   Click Here to Email 66351stang     Edit/Delete Message   Reply w/Quote
yep john it was an easy set up and turned out better than i thought it would , what a difference in stopingpower, take care john 66

------------------
ponycar66,have you flown in a ford latley???????
66-COUPE W/351SVO
glad i had a v-8 !!!!!!
84.5 gt350-61 falcon 302
have a great day!!!!!!!!

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