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 ...

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 ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

If all those engine goodies don’t result in cylinder pressure, performance is sure to disappoint, and there’s more to the story than you think. To celebrate HOT ROD's 75th anniversary, we teamed up ...

Cylinder wall scoring can lead to plenty of problems in an engine. Here are the types of things that can cause scoring, as ...

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 ...

Want to know how healthy or unhealthy your engine really is? Get yourself a compression tester and find out. Despite how complex many modern vehicles are, you can do many common repair and maintenance ...

“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 ...

Engine cylinders can misfire for many reasons. There are four causes in particular that you should be aware of; here's what ...

Sergiu is a mechanically minded car enthusiast about to finish his university degree. From attending car meets and expositions to creating automotive content, Sergiu thrives in the presence of cars.