As another gas crisis looms, its time to take a look at the time when gas guzzlers ruled the road. These days, cars are bought based on fuel efficiency, safety, and a litany of concerns that weren't even a thought back in the 1970s. Back then, cars were about speed, size, and evidently, looking really good in photographs. Here are the Chargers, Challengers, Firebirds and more that made the seventies the glory days of muscle cars. 1973 Pontiac Firebird Esprit Coupeu/Stropi-wan1976 Mazda Capella Rotaryu/Stropi-wan1971 Road Runneru/Conscious-Dingo44631971 Challenger Convertibleu/Conscious-Dingo44631976 Dodge Avengeru/Stropi-wan1970 AMC AMX 390u/RelevantPrimary32641973 Trans Amu/Conscious-Dingo44631967 Chevelle SSu/CriticismLazy42851979 Trans Am 10th Anniversary editionu/Conscious-Dingo44631970 1/2 Chevy Camarou/memecarry1970 Cougar XR-7u/Conscious-Dingo4463Dodge Charger19701970 Buick GSXu/RelevantPrimary3264Dodge Challenger19711970Modified Ford Mustang19701970AMC Javelin1972Chevrolet Nova SS1971