1964 front disc brakes

57tbird, yes the support brace will have to be modified. I'm just wondering about the fit of the master to the booster, if it will work with the '64 booster and what year dual master cylinder I need. I read some where a 1967 mustang master was used. And the '64 booster was used. And at this point I'm not to worried about the brace, I'm just trying to save money and not replace a good working booster. Thanks, Larry.