Note the oil cooler door is closed in this picture. Most of the time I fly with it closed but I can open it in
flight if the temp gets above 210 degrees.  I have my engine monitor set to let me know when that
happens and flashes a red light.
 

Here the oil cooler door is open
 

Oil cooler

More baffling

More baffling

I have lots more pictures on CD like these if you want. But it will cost you $5.00 to cover
my cost.