Jackson:
Non servo assisted brakes are an option for Healeys. If you are planning to
change over to four wheel disks from rear drums and at the same time
eliminate the servo, you must prepare a hydraulic design plan in order to
correctly size the brake master cylinder. Other options include changing to
a tandem brake circuit system or a dual brake circuit system. In either of
those cases you could pair your brakes front to back or diagonally corner to
corner.
You must know the size of your brake caliper pistons, new vs. old and if
converting to two circuits, front vs. rear. With two circuits, you will
also need both a bias bar and a proportioning valve in the system.
Best regards,
Jim Hockert
BJ8 Rallye
Dual circuit, four wheel disk brakes
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