I'm curious is anyone using the mazda millenia 15x6 rims to autocross for their itr? If so are they really as light as this site says at only 11.5 lbs. Also I know the bore for those mazda rims is 3mm bigger than for the itr. If anyone uses these millenia rims did you have to use some type of a spacer ring to take up the 3mm difference and where did you get that ring. Thanks