So, currently rebuilding my XC bike for a much needed overhaul. The press fit BB is knackered, so I have a new one to fit it today (I have a new Shimano XT BB). My mate with the proper tools has unfortunately gone AWOL, so I'll be doing it myself with the hammer/punch and threaded rod/large washers approach.
Question is... for a carbon frame and plastic bearing shells, should I use grease or press fit dry? The internet's bike forums are largely spilt on the matter (of course), leaning towards using grease, though Shimano seem to imply to fit it dry. What's UKC's opinion (ideally based on actual experience)?
I have carbon safe grease (muc-off), before anyone chips in with epoxy melting stories.