I vote for the master cyl. adjustment. The rod should have a tiny amount of free play before it contacts the piston inn the master cyl or the booster. If not the piston in the MC does not come back far enough to open the port & relieve the pressure.

George


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum