Year: 1946, 1947, 1948, 1950, 1951, 1955, 1956, 1957, 1958
Make: GMC, Holley
Vehicle: Carburetors, Components and Systems, Trucks
Type: Parts Catalog, Specifications
Models: Holley 852-FFG, 885-JJG, AA-1, 1904-FS/HS, 4000-G, 4150-G; GMC 248 to 503, V-324 and V-370 engines
Publication: Form G-1 (contents, 6-57); sheets G-220 to G-250, G-4300, G-4325
Pages: 80

Issue 2 (January 1957) of the sheet for GMC 660 Series trucks with the 503 engine: Holley R-1259A, R-1260A (12-volt electric choke) and R-1411A, master repair kit 85R-459. It gives carburetor specifications including the governor spring and post position on R-1411A, engine specifications with idle speeds with and without Hydra-Matic, an exploded view and a parts list of 130 index numbers.

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