Calling all gearheads! It's a classic Mustang vs. Chevy showdown! The Ford Mustang GT Performance and the Chevrolet Camaro SS 1LE are two of the meanest muscle cars prowling American streets.

Motor Trend has pitted the Camaro SS 1LE against a Mustang with the GT Performance Pack for a comprehensive series of comparisons on the test stage, street and finally, at Willow Springs with ace ...