A remote starter switch and a top-quality, screw-in-type compression gaugeâ such as these models from Sears, Roebuck & Companyâ can be used to measure the pumping efficiency of an engine, as well as ...

If your vehicle has been running roughly or seems to be losing power, it's possible that there's a lack of pressure in one or more of the cylinders. Without enough pressure, the fuel/air mixture doesn ...

Compression: An automotive term used by everybody, forever. Let's get into some detail and maybe develop a better understanding. Pressure, and more pressure: It's a must-have to produce power within ...

Compression in a diesel engine is essential for effective and efficient performance. And when compression is lacking, damage can result. That’s why it’s imperative to know whether your engine’s ...

I'm new to doing compression test, so here is what I've done so far. I warmed my car up, disconnected the coil pack wires, put a block on the throttle to hold it open - and then performed a dry test, ...

We visited Jon Enyeart of Pony Carburetors in Las Cruces, New Mexico, to discuss engine tuning and carburetors and how both directly affect performance. We also consulted with Marvin McAfee at MCE ...

Fuel efficiency and emission performance sensitivity to fuel reactivity was examined using Delphi’s second-generation Gasoline Direct-Injection Compression Ignition (Gen 2.0 GDCI) multi-cylinder ...