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Author
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Topic: running stock fox brake booster with 95 cobra master cylinder
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Sydewayz_Stan
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Member # 10217
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posted
 
 
has anyone done this yet with 95 cobra brake setup (front and rear) on a fox body? im curious how the pedal feels. the master cylinder is only 1/8" larger than stock so im hoping i can get away with using a rebuilt stock one instead of a 93 cobra or sn95 booster
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-90 Vert-SOLD
-91 Notch-SOLD
-2000 Explorer 5.0-SOLD
-72 Maverick-SOLD
-2004 GT, vortech V2 si, 10 psi-
-2002 F150 supercrew-
Posts: 3432 | From: 707 vallejo/richmond 510 | Registered: Aug 2010
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5.0 LsX
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Member # 10017
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posted
done that same setup on a couple cars..no problems and the brakes work great
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91' Notch
Posts: 1260 | Registered: May 2010
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Sydewayz_Stan
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Member # 10217
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posted
Sweet imma give it a shot thanks for the reply
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-90 Vert-SOLD
-91 Notch-SOLD
-2000 Explorer 5.0-SOLD
-72 Maverick-SOLD
-2004 GT, vortech V2 si, 10 psi-
-2002 F150 supercrew-
Posts: 3432 | From: 707 vallejo/richmond 510 | Registered: Aug 2010
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5.0 with some go
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Member # 8248
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posted
sure it will work but for 100$ why not buy the correct master cylinder...
Posts: 247 | From: walnut creek ,ca | Registered: Feb 2008
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Sydewayz_Stan
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Member # 10217
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posted
quote:
Originally posted by 5.0 with some go:
sure it will work but for 100$ why not buy the correct master cylinder...
It is...95 cobra m/c and 95 cobra brakes all around. Theyre made to work together
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-90 Vert-SOLD
-91 Notch-SOLD
-2000 Explorer 5.0-SOLD
-72 Maverick-SOLD
-2004 GT, vortech V2 si, 10 psi-
-2002 F150 supercrew-
Posts: 3432 | From: 707 vallejo/richmond 510 | Registered: Aug 2010
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SydeWaySix
CAFords OG
Member # 3596
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posted
My 93 4-cyl has cobra brakes all around with, from what I believe, is the stock 4-cyl master cylinder and brake booster. It does have a Ford Racing proportioning valve thats turned all the way up. It stops fine but the pedal does feel a bit low. Is this setup not "correct?"
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2013 Boss 302 #356. Performance White. Stock.
1965 Fastback GT Restored to stock spec.
Posts: 9882 | From: Bay Area | Registered: Dec 2002
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Farrell
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Member # 10801
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posted
quote:
Originally posted by SydeWaySix:
My 93 4-cyl has cobra brakes all around with, from what I believe, is the stock 4-cyl master cylinder and brake booster. It does have a Ford Racing proportioning valve thats turned all the way up. It stops fine but the pedal does feel a bit low. Is this setup not "correct?"
You have to do a bigger/better m/c. The stock mc on those cars can barely handle bigger front brakes and drum brakes require a LOT less pressure than disc so if your running disc in the rear you are probably barely even using them and that's why you have a squishy peddle.
You can run a 95 gt m/c on a stock fox booster with those brakes and be good, one of the guys on the board here just did that swap and it solved his problems.
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Learn as if you'll live forever, live as it you're going to die tomorrow - Ghandi
Posts: 287 | From: Rhode Island | Registered: Mar 2011
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SydeWaySix
CAFords OG
Member # 3596
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posted
quote:
Originally posted by Farrell:
quote:
Originally posted by SydeWaySix:
My 93 4-cyl has cobra brakes all around with, from what I believe, is the stock 4-cyl master cylinder and brake booster. It does have a Ford Racing proportioning valve thats turned all the way up. It stops fine but the pedal does feel a bit low. Is this setup not "correct?"
You have to do a bigger/better m/c. The stock mc on those cars can barely handle bigger front brakes and drum brakes require a LOT less pressure than disc so if your running disc in the rear you are probably barely even using them and that's why you have a squishy peddle.
You can run a 95 gt m/c on a stock fox booster with those brakes and be good, one of the guys on the board here just did that swap and it solved his problems.
Would a 95 GT master cylinder be a direct swap or would there need to be modifications done?
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2013 Boss 302 #356. Performance White. Stock.
1965 Fastback GT Restored to stock spec.
Posts: 9882 | From: Bay Area | Registered: Dec 2002
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Blind
2.3L
CAFords OG
Member # 3052
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posted
easiest way to tell if the m/c is stock or not is if it has 3 lines or 2 coming out of it. The stock drum m/c's uses 3 lines (front left/right + rear), while disc m/c's like the 93 cobra or 95gt uses 2 lines (front + rear).
the biggest difference between the right m/c + booster combo and the wrong one, is if it's too small the brake pedal will be SUPER hard to push.
[ March 26, 2012, 02:36 PM: Message edited by: Blind ]
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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Farrell
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Member # 10801
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posted
quote:
Originally posted by SydeWaySix:
quote:
Originally posted by Farrell:
quote:
Originally posted by SydeWaySix:
My 93 4-cyl has cobra brakes all around with, from what I believe, is the stock 4-cyl master cylinder and brake booster. It does have a Ford Racing proportioning valve thats turned all the way up. It stops fine but the pedal does feel a bit low. Is this setup not "correct?"
You have to do a bigger/better m/c. The stock mc on those cars can barely handle bigger front brakes and drum brakes require a LOT less pressure than disc so if your running disc in the rear you are probably barely even using them and that's why you have a squishy peddle.
You can run a 95 gt m/c on a stock fox booster with those brakes and be good, one of the guys on the board here just did that swap and it solved his problems.
Would a 95 GT master cylinder be a direct swap or would there need to be modifications done?
Its a direct fit, you just have to get a fitting to.put the two rear lines into one as the new mc has two lines coming out of it and the old has three as mentioned. Other than that, get an external proportioning valve and your good. There is even a little couple already in the line that you replace the valve with
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Learn as if you'll live forever, live as it you're going to die tomorrow - Ghandi
Posts: 287 | From: Rhode Island | Registered: Mar 2011
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