Shimano outboard BB's and Demo 8s

Does anyone on here run saints/xt/hone style cranks on a demo 8/9?

If you do what size cranks do you run?
Standard width to fit 73mm bb or the wider versions. The reason I ask is that I recently fitting a 73mm set of xt's to my demo 8 and noticed there isnt the normal ammount of axel poking through on the none drive side. I can tighten them on fine but am concerned about the implications of running the cranks without all the axel through.

You can run the wider 83mm bb and space it out on the axel, what are peoples thoughts on this

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