Hey there, (sorry if theres allready threads on this but i couldnt find any.) I have an M3, med with a Fox Dhx 5, its running a 450lb spring. i weigh 73kgs in gear, is the 450 what i should need? also how should i have it set up, or how do other people have theirs setup, ie. boost valve, pressure, etc. and how much sag should i be getting? (whats the best way to measure this on the M3) any help mich appreciated cheers. Loklan.