Abstract: An original coil having a single primary winding is replaced with a replacement ignition coil having a first primary winding and a second primary winding. The replacement coil is coupled to the existing controller of the ignition system and to a spark plug. The controller is operated within predefined operating limits so as to optimize at least one predetermined ignition spark characteristic of the spark plug.

Abstract: An original coil having a single primary winding is replaced with a replacement ignition coil having a first primary winding and a second primary winding. The replacement coil is coupled to the existing controller of the ignition system and to a spark plug. The controller is operated within predefined operating limits so as to optimize at least one predetermined ignition spark characteristic of the spark plug.

Abstract: A first current is supplied to a first primary winding of an ignition coil and a second current is supplied to a second primary winding of the ignition coil. A voltage is generated across a secondary winding of the ignition coil and an ignition spark current is generated at a spark plug coupled to the secondary winding. The ignition spark current is based upon the generated voltage and the sum of the first current and the second current.

Abstract: A first current is supplied to a first primary winding of an ignition coil and a second current is supplied to a second primary winding of the ignition coil. A voltage is generated across a secondary winding of the ignition coil and an ignition spark current is generated at a spark plug coupled to the secondary winding. The ignition spark current is based upon the generated voltage and the sum of the first current and the second current.

Abstract: Ignition system componentry which may be coupled or stacked with a conventional high energy ignition system with an ignition storage capacitor coupled to the ignition coil including an electronic controller provided as responsive to the current flow through a transmission ignition coil. A discharge switch is connected in a circuity for discharging the storage capacitor into the ignition coil, the discharge switch being coupled to the electronic controller for controlling the charging and the discharging of the storage capacitor in cooperation with the conventional HEI ignition system using the interruption of the current to the ignition transformer in the conventional system for generating a trigger signal for the capacitive discharge assembly in cooperation with the HEI system upon which it is stacked for generating high energy spark producing potentials optimized for the internal combustion engine.