After I got a little more into engine management and occasionally did the minus/plus thing on the number keypad to reduce rpm and glide longer when fuel was low, my aircraft engines seem to be more balky overall, sometimes stuttering with the manifold gauge needle fluttering.
I've gone to wep and maxed the throttle to fix this, and that seems to work for awhile. Have recalibrated throttle too. Doesn't seem to be a crucial vulnerability, but makes me concerned about my inability to understand or control it.
In addition, WEP seems to be much less powerful or lasting.
Or is there some new engine realism setting that gives us less than silky smooth engines all the time?