using 73 charger front brakes on a 66 cuda? help?

Ok i measured the uca, the one on the 73 charger is at least 1" wider than the 66 cuda.
And reading the older posts, I am now confused.

You want to use control arms off a 73 up A body as they have a larger ball joint...I bought a set and then decided to get tubular ones from Just Suspension....they work great...