Off topic, sort of, but regarding the Renthals, how did you decide where to line them up, I have the 758s too and was confused with the 0, 1,2,3,4,5 marks.
Originally had the 0 in the centre of the bolts and it just felt bloody weird, then I tried to have it vertical, but as I got them 2nd hand, I dunno what the markings are meant to be for..?
I'm getting there by trial and error