This computer shoved in the engine compartment controls just about every aspect of your car’s performance, from the air/fuel ratio, the ignition timing, and the valve controls. Upgrading the ECU ...

The rotor is powered by current from the ignition coil, and its speed determines the ignition timing and engine firing.

Tired of EFI harnesses, coil packs, and a rat’s nest under your hood? Consider an old-school LS V-8 ignition distributor ...

Older vehicles with distributor-type ignition systems use ignition (or spark plug) wires to send electrical current from the distributor to individual spark plugs, with the timing based on their ...