My doomed 408 build

The carb was the same, I was not there for those dyno runs. My Dad was. But what I found when I installed the engine, was the gasket on the bottom of the carb was not completely cleaned off. Creating what I belive a huge vacume leak. My Dad said they played with the carb quite a bit. Changing jets a bunch of times. When I did pick up the engine he only gave me 3 runs printed out. He didbsay my carb was messed up and that i needed a new one. When I cleaned the carb base, I did find it was running very rich.
Now that I have a better understanding of what the dyno sheet is saying, more and more is making cence.