So, recently we noticed it becoming very difficult to manage CHTs, mainly #3 & #4. The change was so slow that we barely noticed. With summer upon us it is a glaring issue. 3 and 4 passing 415deg by downwind on the first takeoff of the day. Wow, that just isn't normal. Cruise CHTs seem higher too. Are we sure this isn't just our imagination or an instrumentation problem? We finally declared that it isn't our imagination. Now what?
... I'll let that dwell for a few minutes then followup with findings .
... I'll let that dwell for a few minutes then followup with findings .