This manual covers a range of Carter and Holley multiple carburetor models, including AFB, WGD, AA-1G, and AS-3536s, with production years varying by specific model. These carburetors, designed for downdraft and side-draft applications, were engineered for reliable fuel delivery in a variety of V8 and V6 engines, typically with displacements between 200 and 400 cubic inches, producing between 100 and 300 horsepower. They are known for their robust construction and performance tuning capabilities, making them a popular choice for automotive enthusiasts and restorers seeking to optimize engine output. The purpose of this comprehensive English-language manual is to provide detailed service, adjustment, selection, and tuning guidance for these carburetors. It includes exploded views and parts lists essential for identification and ordering, along with in-depth procedures for maintenance and repair. Owners, mechanics, and technicians will find the information invaluable for ensuring optimal performance, proper function, and longevity of their Carter and Holley carburetors, supporting everything from routine adjustments to complete rebuilds.