Having a car with outrageous low-end throttle response and top-end horsepower is something every gearhead strives for. The correct combination of parts will get you close, but it’s the tune-up that ...

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 ...