they need a playoff system, that will be the only way for it to work.
I say 16 teams, head to head, it would take 4 weeks, and you could eliminate the span from thanksgiving till late december where NO COLLEGE GAMES ARE PLAYED.
You take the top 16, or 32 even, and have them place in a bracket in order of rank...the tops 4 ranked teams are 1 seeds, the 5-8 are 2's etc...they play, and the winner is the winner.
This also leaves rooms for cinderalla's which would make college fball so much more exciting. Imagine watching UCF beating Penn State, and making a run for the championship. This is the best way to solve a very big problem