Note: This article is reprinted from the December 2013 issue of Collectible Automobile. The quintessential American muscle cars of the Sixties and early Seventies were, in many ways, all about the numbers. Cubic inches, horsepower, torque, axle ratio, quarter-mile time in seconds: There were so many ways to attempt to quantify which one was king … Continue reading Photo Feature: 1971 Pontiac GTO The Judge Convertible