I had a carb decoding question once and fellow Stovebolter CARBKING was very helpful. Currently he is not set up to get PMs but here's a LINK to his CONTACT PAGE so you can ask him for help. I think he will know.

1965 Chevy C10 Shortbed 1/2-Ton Stepside
Truck College
In the Stovebolt Gallery
In the Project Journals Forum
The Build BLOG on Weebly
T5 Transmission Build page