Traditional power brakes have used engine vacuum to reduce the physical effort required to stop a car. Some high performance engines, because of the design of their camshafts, do not produce enough vacuum to used vacuum-powered brake power boosters. One alternative is to add a vacuum pump to the accessories driven by the engine. Another is to use the hydraulic pressure supplied by the power steering pump to power the brake booster. This device is called Hydroboost and it replaces the vacuum-operated brake booster. It provides more than twice the pressure than a vacuum diaphragm booster. There are commercial kits to use a hydraulic booster, like Vanco . They offer kits to match the car you are modifying. The most complete kits provide the Hydroboost unit, a new master brake cylinder, a power steering pump and the appropriate hoses with fittings and they are priced at around $900. You can see the parts of the kit by visiting this link . A nice step-by-step installation of the Vanco h...