Book excerpt: The 1970–1974 Plymouth Barracudas and Dodge Challengers are compact, lightweight, and extremely powerful pony cars; some are considered to be the greatest Mopar muscle cars of the era. The platform, known as the E-Body for this generation, was Chrysler’s response to the competition from the Ford Mustang and Chevy Camaro. Today, the E-Body Barracudas and Challengers are some of the most valuable and popular muscle cars ever built. In The Definitive Plymouth Barracuda and Dodge Challenger Guide: 1970-1974, seasoned journalist Scott Ross has unearthed new information from the key personnel involved in designing, engineering, and building these brash muscle cars. Ross provides comprehensive engine, transmission, and interior options as well as essential trim package and color code information. You learn the bottom line on original equipment packages and options. Ross covers Special Edition, R/T, Gran Coupe, and Rapid Transit System packages. And of course, the preeminent models in the lineup, Hemi Cuda, Challenger 440 six pack, AAR Cuda, and Challenger TA are covered in extensive detail. The large option list (and which options were available on which cars) is covered in great detail, which will greatly assist you with authentication. Plymouth Barracudas and Dodge Challengers are some of the most powerful and valuable Mopar muscle cars ever built. If you have been searching for the comprehensive story and vital option information for these classic Mopar muscle cars, you don’t need to look any further.