I just happen to notice an extra pedestal hole in the floor of the passenger area on my 1998 800 model. My first guess was an extra hole for the adjustable casting pad but the standard 3/4 pedestal is too big for the hole. I realize it's an older boat and maybe someone added an oddball mount when the carpet was replaced? I would be very happy if I could place another seat in the middle when I take the family crappie fishing. I appreciate any ideas.