71 Demon front disc swap master cylinder questions

Hey guys I'm looking at doing a Scarebird front disc swap and also swapping the old master for a newer 2 bolt style like in a 80's Dodge truck need to know the master cylinder adapter fittings to go to the drum lines from the new master..

also has anyone or can you gut the factory prop valve for the front disc and use a aftermarket prop valve to control the rear bias?

thanks!