The Carolina offense should be the strength of the team this year as it was last year. However the Heels do need to improve their ground game so they can kill the clock in games where they are ahead--something they were either unable or unwilling to do last year.
Half of the battle for an improved ground game will be determined by improvement or lack thereof from the offensive line. But the other half will come down to how the running backs play. Carolina has three returning runners and one incoming freshman who should be the brunt of the Carolina offense this year.