Ignition timing is typically split into three types. The first is initial timing—that is, the amount of spark lead that is set using a timing light (aimed at the harmonic balancer) with the engine at ...

In the timing section of "Power Tuning" we learned why a distributor has an ignition curve and how it works. Now we're going to look at the procedure for setting up an ignition curve or modifying an ...

There are several situations where a small- or big-block Chevy can use a locked-out distributor for ignition timing. Some race engine builders prefer a locked distributor because their engines do not ...