If you choose "-k1" option in advanced parameters, it should work for you.
After the clone is finished, boot the cloned OS to see if the partition is expanded or not.
//NOTE// it's always a good idea to backup important data on target disk before you overwrite it.
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How do I make sure that when I clone my old 54GB drive to my new 320GB drive that it expands the partition to take advantage of the entire 320Gb's?
If you choose "-k1" option in advanced parameters, it should work for you.
After the clone is finished, boot the cloned OS to see if the partition is expanded or not.
//NOTE// it's always a good idea to backup important data on target disk before you overwrite it.