I worked great, no problems harvesting it, the twin rows went from 8 to 10 inches apart. I just planted it by moving the tractor hitch over and making two passes. Did 4 reps, 1 with standard 36" rows at 32K, one with twin rows and 32K, one with twin rows at 34K.
The twin rows did a whopping two bushel/acre better. Thought there would be more difference, it really looked good, more room between the corn plants, etc. Maybe another year would be different, wanted to go with wide rows to be better able to use old equipment.
I've heard about how fuel efficient the 95 diesel is, would have to say it's probably the most efficient combine around.