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 ...

Rislone Compression Repair with Ring Seal is a proprietary blend of petroleum additives developed for higher-mileage engines suffering from decreased or uneven compression that can be caused by normal ...

While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, ...

A compression test reveals the condition of your engine's valves, its valve seats, and piston rings and whether these parts are wearing evenly. Healthy engines should have compression over 100 psi per ...