Non-computer controlled vehicles hove distributors that allow you to mechanically alter the amount of ignition-timing advance and the rpm at which the ignition advances. The parts you will be changing ...

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 ...

Cars are very complicated things, built from thousands of parts ranging from nearly microscopic to crush-you-if-let-it big.

There are several instances where knowing the location of cylinder number 1 matters, especially for DIY enthusiasts. It's not just trivia, but crucial when diagnosing engine misfires, replacing spark ...

So you're wondering what's the big deal with "digital," are you? Unless you've been hiding under a rock for the past decade, almost everything you hear about is new, improved, and digital. The "old ...

Nitrous oxide. It's the magic in a bottle that makes engines come alive and scream for mercy. Adding the juice can give your pony a 20-horsepower kick in the tail or 800-additinal stomping ...

Q: A question from your August 2007 issue got me thinking. A guy with a Kia Sportage asked where the spark plugs and spark plug wires on this car were, and was told that this car did not have a ...