Placement of components
A. With a four wheel disc brake system, a two lb. check valve must be used when the master cylinder is lower than the calipers.
B. Dual chamber master cylinder
C. A 10lb. check valve can be used in the line to rear drum brakes, used with a master cylinder that has no residual (check) pressure valves/
D. Use at least a 7-inch diameter booster or larger with a dual chamber master cylinder.
E. A proportioning valve can be used in the line to the rear to dajust rear brake rate of pressure rise.
F. A 2500-3500lb. street rod can use 11-inch diameter rotors