Its almost never the carb.... Unless its really the carb..

Either people get me, or they don't. I'm good either way.

, as long as it prompts them to think for themselves before throwing wheelbarrow loads of parts at their truck.
In the case of OP of this thread, since he had a known-to-be-good carburetor laying around, a simple swap of the carburetor was the smart thing to do.