A 429 Super Cobra Jet-powered 1970 Torino Cobra ran a 13.99-second quarter mile, quicker than a period-tested Pontiac GTO 455. Ford wrapped the car in SR-71-inspired styling and backed it with real engineering, yet it never earned the household-name status of its rivals. Here is what actually made it one of Detroit’s most underrated muscle cars, and what to check before buying one.