carbIf it is EFI, you can adjust the linkage that goes from the throttle bodies to the oil pump. I know of may who are running 4 or 5 turns leaner than stock.
Of course, use common sense, start by going one turn at a time.[/b]
my 03 f-5 uses almostdouble the oil as my zrt,about1qt per 5 or 6 gallons help[/b]