Here we have an original reprint of an original International Blue Ribbon Service Carburetor Specs Manual for ALL International and farmall tractor carburetors...Yes...All of them...Gas, Distillate, Kerosene, and LPG...
This manual gives you part numbers and specs on all the carbs from all the makers...IHC, Zenith, Marvel-Schebler, Carter, and Ensign (LPG)...
This gives you all the goods by number...Model, bore, Fuel, Liquid level, Float height, Main jet metering, Idle jet sizes, drill sizes, Venturi size needle size, Throttle bushing sizes, and reaming tolerences for rebuilding...and more...