Introduced more than three decades ago, GM's HEI ignition system has capably powered tens of thousands of vehicles over the years. The setup has remained popular with performance enthusiasts to this ...

Back in the day, point-triggered ignition system tune-ups were routine and happened roughly every 12,000 miles, along with a set of spark plugs and an ignition timing adjustment. These days, we’re so ...

DETROIT, March 10 (Reuters) - In her first big test as General Motors Co's GM.N chief executive, Mary Barra has taken a hands-on approach behind the scenes in directing the automaker's response to ...