on 1990 the lug pattern was 8x7.5" on the 03 it is 8x180mm, there is about 1/4" difference between the two "unless i am mistaken" - you are correct. the earlier pattern is 6.5 inches. converted to metric = 165.1mm. tried it. they just don't fit. 170mm is about 5/16 too wide for a 6.5".