Book excerpt: Demon Carburetors provides readers with a detailed look at carburetor theory and operation as well as guidance for choosing the correct, high-performance unit. Detailed, exploded views of each of the Demon Carburetors, the Road Demon, Speed Demon, Race Demon, and King Demon give a better understanding of each model. Straight-forward advice on tuning for the street and strip along with modifications for drag, oval, and road racing are also included. For automotive enthusiasts.