The 1957 stock car racing season, NASCAR limited induction systems for convertible class, short track class, and pacific coast divisions, to the single four barrel carburetor only. Elsewhere the top division could run the hottest stock system available. This was the Chevrolet mechanical "Fuel Injected" 283HP engine.

April 23, 1957 NASCAR rewrote their rules to establish a four barrel carburetor only rule. The "Fuel Injected" Black Widows seemed unaffected by this. Buck Baker went on to win the National Championship using one single 380 CFM four barrel carburetor. These were awesome cars.

In 1957 congressional hearings were conducted about stock car racing. They claimed the automakers racing advertisements were contributing to racing and reckless driving on the road. During February 1957, the Automobile Manufactures Association prepared a resolution suggesting all manufactures stop auto racing activities, and that type of advertising, including the support of private racers.

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