Hi all,
I’m new to posting on this forum but have read some great insight regarding trucks like my GMC 1966 pick up. I’m looking to replace the Bendix Stromberg WW on my 305 V6 big block but I’m having a tough time finding a carburetor to fit the current intake manifold.

I’d like to replace the current carb with another 2bbl and liked the Holley 2bbl #7448 with 350 CFM. I can’t seem to find an adapter to accommodate the current manifold four bolt pattern. Has anyone had success replacing a Stromberg on this type of engine?

I’m not sure if I should have a manifold adapter machined or replace the manifold all together? The current four bolt pattern is:
3 1/4 X 1 7/8. I would appreciate any thoughts & advice. Thx

Tjmac23