"Gigantopithecus" said:A decent disc conversion is gonna cost a bit more. You can get kits that use the drum spindles.
For instance, a Chockostang kit will run you $700.
http://www.chockostangclassicmustang.co ... sions.html
I highly recommend Chockostang.
On my old '66 I used one of their kits to convert my front brakes to disc and swap out the master to a dual bowl. Huge improvement and the kit was not difficult to install.