[Laird Scooby]

Don't forget the wheels with the larger offsets are wider than the steelies - i think the steelies are 5.5J, most alloys are 6.5J so 25mm wider to start with. Split that in half (12.5 - call it 13 to make the figures easy) and add that to the 25mm offset of your steelies - gives you 37mm offset. Also fills the arch better to start with.