71 4dr Dart 318 w 4bbl

The carb is not wrong, it's just that you have the good intake, that was made for a TQ. The cam is small, have to agree with all Rumblefish360 said, but for a 318, the cam would be a nice upgrade from a stock 318. Do you know what you have? Make sure you have valve springs to match your cam and use a double roller timing setup.