[cruznm69]

Hello Mustang/Ford peeps, I am in need of some help. I have a 1965 Mustang that came with manual brakes. I have a bud who brought me a booster and master cylinder from the states that was from a 65 mustang he bought from a car flea market. I have since had these rebuilt and i have installed on my stang, the problem i am having now is that the brakes are too sensitive. i can slow the car down nicely but if i push alittle tooo hard on the pedal i can almost kiss the dash. I hope someone has had this prob and figured out away to fix it or knows what has caused it. thanks much for taking the time to read this.
Ger

[GTRaptor]

Maybe installing an adjustable brake proportioning valve will help reduce the pressure.

[envious8420]

yeah you need a proportioning valve from a car with power brakes.
the valving in the one you have now is set for lower pressures. adding the booster and master easily over powers the valve, creating the touchy brakes.

jim