subaru wheels! has anyone fitted them? i know of a real nice set of wheels for sale from a scooby! there 16" x 7" wheels with an ET 50 offset and 5 x 100mm. after a quick google search it will be 73.1 bore so i will need 73.1 - 57.1 spiggot rings? am i correct? also, what will they fit like with ET50? spacers or anything needed? cheers in advance..