Thanks for the replies everybody.
Astroracer: I have 2 lb residual valves fore and aft of the MC.
Jimmyd: I am using a 1" Corvette manual MC with less than 1/8" clearance on push rod.
S10Fan: could you expand on the problems you had with the '88 S-10 MC? Does the 1 1/8" Blazer MC require a lot of foot pressure?
My thought was to go smaller in MC primary/secondary bore to put out more line pressure with same foot pressure.
I'm beginning to wonder if I have the "reduced drag" style calipers on the front. Does anyone know how to tell without taking the caliper apart?