master cylinder and proportioning valve

[Shake44]

New to Stangnet. Wanting to know If i change my rear drum brakes to disk. can I still use the same master cylinder and proportioning valve or do I have to change these.

 

[RaggedGT]

Fox body?

 

[Mustang5L5]

No, you will need to change the MC to match the brake setup you install, and you'll need to install an adjustable prop valve.