I installed front disc brake conversion last week. Bled brakes, took for test run. Stop ok slow, but no lock up at 40 mph. I read on here about gravity bleeding. Jacked up rear end and opened RR bleed screw 1 turn, been setting for 1 hour, not 1 drop out yet (top off master). On 71 charger, any ideas???? Thanks dave (also new master c)