You are right about the bolt spacing. In regards of the second carb, I don't really see an indication of the choke type. I am indeed converting, but I want to go from auto to manual - the 55 engine is in a 46 truck and has the dash set up for manual choke. I would eventually like to keep that set up. That second carb just doesn't give enough detail for me to feel comfortable. 2100s is what I am looking for.
