Shelby designed its own coil-sprung chassis, and fit the massive Ford 427 V8 to create the incredible Cobra 427. It's still one of the quickest cars ever built and it's somehow still in production today.
Ferrari was foundering in the '70s. Its road cars were flaccid and boring. Then came the midengine, V8-powered 308 and the company had a hot seller. It saved Ferrari.