Getting your engine timing right can make the difference between a smooth, powerful ride and frustrating performance issues. From aligning timing marks to adjusting distributors or diesel injector ...

Your ignition system is nothing to be afraid of. Unlike carburetor modifications which require a tremendous amount of experience, ignition timing can be altered with relative ease. A basic ...

The Advance CurveAll engines require an ignition curve based both on the requirements of engine rpm and cylinder filling (volumetric efficiency). This means that at 3,000 rpm with the throttle open ...

Do you know what a timing belt or a timing chain is and what they do? Could you find them on your vehicle's engine if you had to? If you answered no, don't sweat it. Both are buried behind a lot of ...

Every engine has a means of coordinating the timing between the valve train and the rest of the engine. Some engines use a timing chain and some a timing belt. A timing belt has the relatively ...

As we move through 2026, GM technicians are seeing a surge in timing cover failures on 2017–2026 models, often stemming from improper surface prep or outdated torque sequences. With ACDelco releasing ...