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, ...

If you have an internal combustion engine that actually runs, then your camshafts are spinning twice as fast as your crankshaft. Change the rate at which either of the two spins in relation to one ...

Ignition timing is like seasoning: some is good, but too much ruins the results. Bumping up the ignition timing on pushrod 5.0s is a time-honored trick to wake up the under-hood lump. The EFI system ...

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 ...