Have one Delco Carburetors Manual #9. Covers something like '46 through at least the early '70s, not sure. This thing is heavy, being about 4 inches thick with those strong GM postboard covers. Seems to cover not only GM carbs made by Delco but also other makes for whom Delco provided carburetors. Contains parts lists, service instructions, as well as exploded illustrations. $125 plus USPS flat rate shipping box (not sure if it'll fit in one, may have to ship in a brown box). Thanks!