There is probably not a single reader of this magazine who does not want his or her Pontiac's engine to perform to its best ability regardless of its number of cylinders or cubic inches. To reach that ...

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 ...

An engine is an air pump, and a lot of room for improvement can still be found in dealing with the way the engine handles that job. After generations of cars carrying just two valves, one for intake ...

An engine's health depends on several key measures and functions. For example, air and fuel need to be present in the correct quantities, coolant is required to keep the engine operating at a safe ...

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, ...

Last month we took a '65 Mustang with a 225hp, 289 4V and did some minor engine tuning to see what kind of performance improvements we could make. After some work on the ignition, the spark plugs, and ...

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 ...