Scott Smith of Harm's Auto is a true Mopar enthusiast, who says, "Our shop strives for 100-percent accuracy in everything we do." We decided to put that statement to the test. For the last few years, ...

The shaker hoodscoop was a feared tip-off that massive performance resided underhood. But did it make that much of a difference? By the time the 1960s ended, an entire secret language had evolved ...