At a maximum rpm of 6,000 in Third gear on the Turbo 400 transmission, the pump pulled 5 inches of vacuum, and the decreased pressure and more effective ring seal allowed horsepower to jump by ...

The volumetric efficiency table is probably the most important one in any ECU.The vertical axis is engine load, in this case, ...

Vacuum guns are great for exit velocity because there’s no air drag inside the barrel to slow things down. Regular pressure guns can’t fire a projectile faster than the speed of sound, because ...

Even with a perfect vacuum, 14.7 psi is the maximum pressure exerted on the viewing port. PMMA has a Poisson’s ratio of 0.35, poly-carbonate 0.37 The loading case is a simply supported circular ...

Brakes are whistling. Q: I have a Nissan that runs well and has been a good car for lots of years. Lately, when I hit the brakes, I hear a whistling from under the hood. It doesn’t make the n… ...

Breathers alone will relieve some but not all crankcase pressure. Header e-vac systems and vacuum pumps are also an option but are generally not practical on street engines.

Ask Dr. Crankshaft: Pressure washer is too… Share this: Click to share on Facebook (Opens in new window) Click to share on X (Opens in new window) Subscribe; Log in; Account Settings Contact Us ...