Ignition timing is an often-misunderstood concept that has a big effect on performance. An air/fuel mixture burn rate doesn't increase in direct proportion to engine rpm. Therefore, the faster the ...

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, ...

Ignition timing is easily the single most important tuning adjustment on an internal-combustion engine, yet the concept of ignition curves continues to be elusive for many enthusiasts. All it takes to ...