Glenn Powell asks: >Anyone know if 15 x 7" wheels with 40mm offset are usable/optimal for race use > o n a to-be-slightly-lowered 4KQ? Well, Glenn, This list seems to argue whether the proper offset for my 90120V is 37 or 43 mm (still don;t know!). Those split the difference. How cheap are they? I could use some more 15" wheels, cheap. Grant