Chevrolet General Manager Ed Cole was always “looking over the horizon” for new technology. In 1957, Cole commanded his engineers to start working on a line of 1960 Chevrolets that would all use a ...

During the era when muscle cars reigned supreme, GM's Chevrolet division developed some of the greatest big-block V8s of all time. Since the early 1960s, American carmakers started offering more ...

Although the 427 ZL1 engine was originally intended for road racing rather than street cars, clever manipulation of the Chevrolet Central Office Production Order (COPO) system resulted in one of the ...

During the 1960s and early 1970s, American carmakers were one-upping one another in the factory-built performance segment. This saw the introduction of many iconic V8s, of which the following five ...

There's no arguing that the ultimate in First-Gen Camaros is the very rare and equally nasty ZL1. Of course, rarity carries a heavy price, and these aluminum 427 beasts are priced well out of the ...

The 1969 Chevy Camaro ZL1 was a Central Office Production Order, or COPO car. The ZL1 option, COPO #9560, included an all-aluminum 427 cubic-inch Big Block engine rated at 425 horsepower (rated at ...