Generally all the x-wind landings where the x is greater than 5 konts, the mob I work for would drop a wing in the 340, when kicking it straight. Makes for a more comfortable crunchdown
When I converted to the -400, and did my first landing (in a 15 kt x-wind) and dropped the wing a bit, the guy in the lhs had a fit.
Pod scrape is a real concern, so they a touchy about it.
In my experience, the 340 has a much greater tendency to drift than the -400 (inertia) and so you can disregard the need for a wing drop below about 25 knots