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 ...

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 ...

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, ...