Air in the brake system can make your brake pedal feel spongy and vague. You should flush the fluid every two or three years, which is a relatively easy two-person project.

Read all about the super high performance hydro-boost breaking system now ready to be installed on all vintage and classic Chevy Corvette C3s - Vette Magazine!

Power Brake Service in Long Beach, California, has come up with another alternative--the hydroboost, which replaces the power booster in the system, and requires absolutely no vacuum.