
Originally Posted by
ittwgn
without removing tyre get a couple of straight edges the width of the rim !!! the width of the rim is measured at the beads but overall adds an inch !!! I know this cause my 8s measure 9 inch overall !!! use straight edges if rim measures 8 inch overall there 7 inch rims 9=8 etc basically the lip adds 1/2 inch each side !! now measure from face that bolts onto hub of car to the inside of rim overall using straight edge again this measurement is overall including the 1/2 inch bead section !!! this is the backspace !!!! my guess is they are 15 x 7 with 5.5 inch backspace !!! hope that makes some sense !!! cheers