Chevrolet’s 283 cubic inch V8 arrived in 1957 and, in fuel-injected form, made 283 horsepower, one per cubic inch, a marketing number too clean to be an accident. That same engine dominated NASCAR ovals so completely it was banned. This Bel Air carries the four-barrel version and a Powerglide, the combination most buyers actually drove home. Here is what made 283 cubic inches a turning point for Chevrolet.