The Star vacuum pump created 15 inches of vacuum in the ... Since the large port intake didn't perform very well, we sent it to Wilson Manifolds between dyno sessions for their competition porting ...

If you've recently removed the manifold, carburetor ... and other resale sites. The Mityvac Vacuum pump from Harbor Freight can also be used to find vacuum leaks.

make sure there is a valve installed between the system and the vacuum pump/micron gauge setup. Normally you can use the refrigeration manifold gauges for this purpose. There should also be a valve ...

One item that requires occasional tender loving care is the vacuum pump. Because a diesel has an open intake system, the pump provides the necessary power for a Dodge Ram pickup’s vacuum ...