Let’s start by looking at the evolution of the GM High Energy Ignition (HEI) system. This system became available as an option in 1974 and was standard in all 1975-and-later vehicles, with the ...

The ignition control module is a crucial component of a vehicle's ignition system. It is a control unit responsible for regulating the ignition timing and generating sparks to ignite the fuel-air ...

Follow along as we install this new MSD Digital-6 ignition control module on our off road truck! See all the details and every thing that comes with this MSD unit in this months issue of Off-Road ...