[quote name='Bottle' post='846373' date='May 24 2010, 11:38 AM']restring a 4-stringer with the lowest four strings of a 5-string set and tune it BEAD (trussrod will need some tweaking if you're using standard strings, because of the lower overall tension on the neck).
Anyway,
HTH, Ian[/quote]
BEAD from a 5 string set on a 4 string seems like a good solution to me.
R.