It is easy enough for us to tell you to send your engine back to the builder when it is not running quite right. But thats not always an option. Of course, there will be times when you absolutely need ...

Older vehicles with distributor-based ignition systems need their timing checked on a regular basis, otherwise you can have a host of problems. Starting becomes difficult, idling will be rough, ...

It's all in the timing, they say. Well, other adjustments also play a big role in how your motor runs, but firing the spark plugs at the correct time certainly helps performance. Most 'wheelers simply ...

Your Mustang's distributor performs one heck of a job. It has to deliver a timed spark to each spark plug at precisely the right moment in sync with piston travel and crankshaft, camshaft, and valve ...

Back then, engine tune-ups relied on how the vehicle felt and responded, judged purely by the senses. These days, servicing ...