[Most memorable were the GM troubles in Lordstown, Ohio, culminating in a 1972 strike -- summed up by NY Review of Books this way:]
March 23, 1972
GM in More Trouble
By Emma Rothschild
Early in February, workers at GM's Vega factories in Lordstown, Ohio, voted by a 97 percent majority to authorize a strike over working conditions. The struggles which preceded the strike vote are by now famous: a change in plant management, layoffs, a disciplinary crackdown, an increase in car defects, complaints 'by workers about the speeding up of monotonous assembly line tasks, slowdowns, high absenteeism, repeated allegations by GM of worker sabotage. It is claimed that workers have attacked the paint, bodies, upholstery, and controls of the Vega cars, and GM has offered a $5,000 reward for information about a fire in the electrical controls of the assembly line itself. ...
<http://www.nybooks.com/articles/article-preview?article_id=10265>
Carl