In new zealand we are experimenting with letting 1650cc stock standard outboards race with standard mid sections against the sst60s or F3s to encourge more boats and keep the costs down, pitcured is our new boat with a 1981 115hp omc just to proveit can be done, at this stage we are around 77mph and very quick of the mark.Attachment 52070Attachment 52071Attachment 52072Attachment 52073Attachment 52074