Manifold vacuum is the difference in air pressure between the intake manifold and atmosphere-the vacuum's numerical value cannot exceed the available atmospheric pressure, or barometer.
The vacuum's numerical value cannot exceed the available atmospheric pressure, or barometer. Manifold vacuum is the difference in air pressure between the intake manifold and atmosphere.
Manifold vacuum is the difference in air pressure between the intake manifold and atmosphere. The vacuum's numerical value cannot exceed the available atmospheric pressure, or barometer.
Manifold vacuum is the difference in air pressure between the intake manifold and atmosphere. The vacuum's numerical value cannot exceed the available atmospheric pressure, or barometer.