How a Parts-Bin Special Became The Most-Feared Competition Car in America

”Black Widow.” The name itself struck fear into the hearts of many during the heyday of stock car and drag racing. Born for the 1957 competition year, these unassuming Chevy 150s became the ire of many opponents straight from its inception. The 150s were officially built by SEDCO (the Southern Engineering and Development Company), a subsidiary of Nally Chevrolet of Atlanta. But the company was just a shell for Chevrolet’s factory racing program. If there ever was an example of a factory-bred hare-in-tortoise’s clothing, the Black Widow is it.

All single and two-tone paint codes for 1955, 1956 and 1957 models. These codes are taken directly from the original dealer books and are extremely accurate to the paint colors originally offered.

General Motors used identification tags to denote equipment, options, and assembly location for each 1955-57 full size Chevrolet passenger car produced. Use this information as a guide to decode the information stored on your cowl tag.

The Vehicle Identification Number (V.I.N.) plate on all 1955-57 models is located on the left front door hinge pillar post. This number represents the vehicle’s unique serial number for use with government agencies and vehicle model identification. Below is a guide for decoding a 1955-57 V.I.N.

Want to find out just how unique your classic Chevrolet actually is? Use the information below to find out how many Tri-Five models General Motors produced in the same year as your vehicle with the same trim level, paint, interior color, and optional extras.