Car Craft tales you through the steps of how to convert a Ford or Chrysler ingition to a GM HEI for a high-performance, more-efficient ignition.

As GM refined HEI and the aftermarket got on board it only got better to where it became an industry standard. It became the best factory ignition system of its time.

A federal judge in Manhattan said on Tuesday he will not alter, for now, a plan to try five more early test cases this year against General Motors Co over faulty ignition switches linked to nearly ...