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  4-wheel disk brake master cylinders

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Author Topic:   4-wheel disk brake master cylinders
Mpcoluv
Gearhead

Posts: 1268
From: Charlotte NC usa
Registered: Apr 2001

posted 05-06-2001 09:38 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
Hi Guys,
Have any of you guys installed 4w disk brakes on your mustangs?
If so, what (manual) master cylinder did you use?
The '69 F250 mastercylinder listed in the boss 302 chassis book?

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JAAZZY
Gearhead

Posts: 772
From: Bay Area, CA
Registered: Apr 2001

posted 05-06-2001 10:06 AM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote
I purchased is from Stainless Steel Brakes. It was a long time ago. The one I have doesn't have enough pedal travel. I think they have a new one available now.

quote:
Originally posted by Mpcoluv:
Hi Guys,
Have any of you guys installed 4w disk brakes on your mustangs?
If so, what (manual) master cylinder did you use?
The '69 F250 mastercylinder listed in the boss 302 chassis book?

------------------
65 Stang - TFS SH Stage III Heads, Nash 5 speed, Fuel Injection, etc...
2001 - Z06

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MrWesson22
Gearhead

Posts: 1278
From: Dacula, GA
Registered: Sep 2000

posted 05-06-2001 10:59 AM     Click Here to See the Profile for MrWesson22   Click Here to Email MrWesson22     Edit/Delete Message   Reply w/Quote
I have a related question... installing a SSBC front disc conversion kit today. When I convert to discs on the rear as well (junkyard lincoln swap), will I need a new master cylinder again?

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Neal
Member #723
[email protected] AIM: MrWesson22

69 Gulfstream Aqua Grande
351C/Toploader 4sp

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67coupe
Gearhead

Posts: 484
From: dallas NC usa
Registered: Nov 2000

posted 05-06-2001 01:02 PM     Click Here to See the Profile for 67coupe   Click Here to Email 67coupe     Edit/Delete Message   Reply w/Quote
hey guys ive got versalies disk all the way around and im using a 73 f 350 master cylender it stops great but is a little hard to push it has around a 7/8 diamenter piston compared to the 67 disk mc which was about 11/16

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Josh
67 coupe soon to have 351c(almost done)
87 bronco II on 33's(now has blown motor:(
30 model A currently rustbucket

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JAAZZY
Gearhead

Posts: 772
From: Bay Area, CA
Registered: Apr 2001

posted 05-07-2001 03:00 PM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote
No I don't think you will. All you will need is an extra couple of fittings and a proportioning valve. You can dial it in just perfect with the valve.

quote:
Originally posted by MrWesson22:
I have a related question... installing a SSBC front disc conversion kit today. When I convert to discs on the rear as well (junkyard lincoln swap), will I need a new master cylinder again?


------------------
65 Stang - TFS SH Stage III Heads, Nash 5 speed, Fuel Injection, etc...
2001 - Z06

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richard bohm
Gearhead

Posts: 373
From: tucson,az-luray,va
Registered: May 2001

posted 05-12-2001 03:52 AM     Click Here to See the Profile for richard bohm   Click Here to Email richard bohm     Edit/Delete Message   Reply w/Quote
if you are running drums on the rear right now and you swap to disks you either need a master cylinder for 4 wheel disks or oyu need to remove the residual check valve from the drum brake port. if you dont you will have the nasty problem of the rears locking up and stying locked untill you release the pressure. trust me it's no fun driving an y distance with the only braking you can do is with the emergency brake!!! ok it's less fun with NO brakes.

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Mpcoluv
Gearhead

Posts: 1268
From: Charlotte NC usa
Registered: Apr 2001

posted 05-12-2001 08:43 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by richard bohm:
if you are running drums on the rear right now and you swap to disks you either need a master cylinder for 4 wheel disks or oyu need to remove the residual check valve from the drum brake port. if you dont you will have the nasty problem of the rears locking up and stying locked untill you release the pressure. trust me it's no fun driving an y distance with the only braking you can do is with the emergency brake!!! ok it's less fun with NO brakes.

I looked at M/C (78 granada manual disk brake) and don't see a way to remove the check valve. How is this done?

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mellowyellow
Gearhead

Posts: 6609
From: So. Fl.
Registered: Aug 2000

posted 05-12-2001 10:40 AM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by JAAZZY:
No I don't think you will. All you will need is an extra couple of fittings and a proportioning valve. You can dial it in just perfect with the valve.


I agree with the above. I have the SSB rear disc setup for my 68 and they included a propotioning valve. The 68 has Power discs from the factory, but I would change the existing proportioning valve for the newer adjustable one.

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TomP
Gearhead

Posts: 5626
From: Delta BC Canada
Registered: Dec 99

posted 05-12-2001 01:23 PM     Click Here to See the Profile for TomP   Click Here to Email TomP     Edit/Delete Message   Reply w/Quote
many later model masters will work.. look at the 94-up Mustang,late model Lincolns,etc...

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joe
Gearhead

Posts: 522
From: Los Angeles
Registered: Feb 2001

posted 05-12-2001 06:23 PM     Click Here to See the Profile for joe   Click Here to Email joe     Edit/Delete Message   Reply w/Quote
Those late model plastic M.C. are supposed to bolt right in.

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JAAZZY
Gearhead

Posts: 772
From: Bay Area, CA
Registered: Apr 2001

posted 05-12-2001 10:50 PM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote
Do you still retain the same pedal height? Any differences for different late model MCs?


quote:
Originally posted by TomP:
many later model masters will work.. look at the 94-up Mustang,late model Lincolns,etc...

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