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 ...

Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why ...

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 ...

The purpose of your engine is to compress fuel and air and then ignite it, creating heat energy that then makes mechanical motion. If your engine can't compress the air and fuel properly, the engine ...

Forget variable length intakes and variable valve timing, Infiniti is going all the way and introducing variable cylinder compression ratios. The new VC-T turbo engine automatically adjusts between a ...

“Too little compression will usually result in unmet performance expectations. On the high side [too much compression] carries greater risk in tuning and potential component failure if appropriately ...

Rislone’s new compression repair with ring seal product is designed to combat low power, poor fuel economy and oil consumption due to decreased compression in high-mileage engines. The product combats ...

A top every engine block sits a mechanical assembly that serves as traffic cop letting fresh air and fuel enter the engine cylinders and exhaust gases exit. This device is the cylinder head, and it ...