Hard Brake Pedal? A Quiet Vacuum Pump Can Boost Your Car’s Performance
A common problem that might arise after making some engine performance improvements is a lack of engine vacuum causing your power brakes to...
Big cams can wreak havoc in a vehicle with a power brake booster. The bigger the cam, the lower the vacuum number. Inherently, the lower the vacuum number the harder the brake pedal is...
We started this 4-part series examining possible vacuum pressure as the cause of a hard brake by picturing a driver's inability to apply his brakes in traffic because the brake pedal is too stiff...