This site seems to base their information on pulley size, but I do not know
What the standard pulley size is and if it changed at all between years?
Every other site that I deal with on the SC's say what % a setup O.D. the SC.
Hence on my M90 it is actually 25% OD from the stock pulley size.
I don't expect anyone to convert to using this method, just stating what I am use to seeing and would like the stock size so that the calculations can be done so there can be an apples to apples comparison done.
