Carl Arentz’s 1964 Chevelle Wouldn’t Run Properly. Rollings Automotive Solves Its Problems with a Basic Shadetree Tune.

If a vacuum gauge is attached to an engine and reads 15 inches of mercury, it means the low-pressure region created in the engine is sufficient for atmospheric pressure to push a test column of ...

We use a vacuum pump specifically designed for this, and we measure the vacuum in the microns of mercury pressure scale (micron) using a vacuum gauge. The lower the pressure in the system in microns, ...

I was told by a friend you can purchase an inexpensive fuel economy gauge that tells you your gas mileage. Is this true? How could it work? Where can I buy one?– Jeremy Slocum,Monte Sereno ...

Edwards is introducing the P3 handheld vacuum measuring system. An easy to use, battery powered device with direct on-board display of measured pressu ...