try here
Larry Isgro Carbureator Rebuilders
1604 Argyle Road,
Wantagh, NY 11793
516-897-0401 Shop

i have had four carbs done by larry and so has a lot of other truck owners that i know. give him a call and talk with him. he's good, fast and resonably priced. the only thing i needed to do was bolt it on, hook up the linkage and tweak the idle screw and drive away drive