brake questions

[Fox_84]

Converted the 93 to 4 wheel disc cobra setup. I used a 98 booster and master cylinder. My problem is when I press the brake, at first it feels really soft with little to no effect on braking, then once I push further it brakes hard. I also installed the 3-2 port conversion from MM. Any ideas on the problem?

 

[Shakerhood]

Did you set the Adjustable Prop Valve correct when bleeding the brakes to get all the air bled out of the System and then dial it in after it was bled, and is the Pushrod set at the correct length?

 

[bill302]

check out this site it may help...

http://www.svo73mm.cjb.net/

 

[Mustang5L5]

WHat booster and MC are you running? From a V6??

The '98 Cobra/GT MC and booster won't work because it's hydroboost, and the V6 MC isn't really the greatest for Cobra brakes.

 

[jrichker]

MY combo:
T-bird Turbo coupe rear axle with disk brakes. (same as 93 Cobra)
Stock booster
94 Mustang M/C
3-2 conversion from Matt90GT (http://www.svo73mm.cjb.net/)
FMS proportioning valve plug & conversion
Wildwood adjustable proportioning valve
73 MM front calipers (this is what made the pedal effort balance properly)

I have excellent pedal effort and feel. This is what the car should have been equipped with from the factory.

 

[ryan218]

did you use the master cylinder off of a V6 or a V8 stang? the V6 one wont work well with the cobra brakes from what i have been told.

 

[jrichker]

did you use the master cylinder off of a V6 or a V8 stang? the V6 one wont work well with the cobra brakes from what i have been told.

On the 94-95 Mustangs, the master cylinder is the same for both 6 and 8 cylinder cars.