Some years ago there was a problem with the plastic seal inside the cap
making it into the oil being poured in the filler and blocking the flow
internally. Shouldn't happen theses days unless you used some really old
15W/50 bottles of oil.
Oil pressure has remained constant at around 45 in cruise.
>>>
That seems too low. In my Lyc I try to keep it in the 70-80 psi
range. What is the range in your engine manual? is 45 at the low
end? Do you have an oil pressure adjustment? If the pressure is too
low, certain areas may not be getting the oil they should be receiving.
<<<
So the birds nests must be a coincidence.
>>>
Hmmmmm...... Grayhawk is suspicious! Have you flown through
heavy rain to clean out the engine compartment? How about nesting
materials blocking cylinder base fins? Baffling should be pretty tight
around the bottom (underside) of the cylinders to force air thru the fins - I
could imagine blockage in the fins close to the base that might not be indicated
in CHTs, but in higher oil temps. Maybe hi pressure air could be used
there to clean it out. Maybe water could clean everything up.
<<<
So do you consider my CHT's of 365 to 385 to be normal or ideal?
>>>
Normal.
Scott Krueger
AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL
(KARR)