What model carburetor is your original? If it's a Carter, you will be better off obtaining a correct, quality rebuild kit from The Carburetor Shop.
www.thecarburetorshop.comI am currently battling problems with a Chinese knockoff carburetor on a 1966 Mustang. Utter crap. Float filled with fuel in just a year is one example of the poor quality. Like just about everything else that comes out of China, it is no good.
Anton, the link to pictures of your truck is a motorcycle website that requires membership.