67 Barracuda w/ 340.... manual or Power Brakes DB

Upgraded my 67 to 340 4 sp w 323 as cruiser.

I have a 74-76 PDB booster. big bolt swap....

Do you guys like power or manual Disc on A bodies????

Motor is warmed up but not radical 340. Will run typical A 833 and 323 8 3/4