Feeling nostalgic for cheap gas and and a "poke-through air cleaner that jumps when the engine cries"? The Mustang Mach I was the way to swing in '69! But 9 years later, the Cougar XR-7 was the 1978 choice of Cheryl Tiegs for her midnight driving. Speaking of women, what if your wife has to drive alone? It's a shocking concept, sure, but when a woman's at the wheel, you need Polyglas tires. Yep, crazy things used to happen. Heck, Pontiac even sold this thing for a few years. All that and more at Jalopnik's classic ad watch.