In the mid-eighties, the buzz at General Motors centered around a Corvette like no one had ever dreamed of. With an overhead-cam aluminum-block V8 designed by Lotus and assembled by Mercury Marine in Oklahoma, the ZR-1 Corvette became reality 1990. If you see one on the street, take a picture. With a total of just 6,939 built over the 1990-1995 production run, they're as rare as a UFO sighting.
    The ZR-1’s LT5 engine was