How-To: DIY Hydroboost on GM Vehicles

Hydroboost is a power assist for the braking system that runs off the power steering pump hydraulics. This have several advantages: higher line pressure over a manual setup or vacuum booster, and if running a larger cam which produces less overall vacuum, it simply is a better option to get awesome braking back. Another problem is that complete kits from companies range from from $900-1200! A new GM hydroboost unit runs $200-300, so where is all the extra cost coming […]