With an ignition and electrical system analyzer, timing light and vacuum gauge—such as these Penske units from Sears, Roebuck and Company—normal tuning, troubleshooting and a number of not-so-normal ...

Carl Arentz bought his 1964 Chevelle two years ago, well used but running. "I'm well aware that it's an old dog that should have been put down," he says, "but I can't bear to see these cars go to the ...