Seems like one of two things would happen.
Added airflow through new oil cooler exterior vent would add pressure to the exit increasing overall mass.
Or mass stays the same by reducing original inlet volume = higher CHT's.
One thing to add to this hot oil discussion is, the oil coming out of the cooler is mixed with the very hot oil being pumped back to the filter adaptor, where most engine have the temp probe. I have three sensors that monitor temps at: The mixed oil (on the filter adaptor), in the sump at the screen just as the oil goes up the to the pump and on the output of the oil cooler (SW10599). On a warm SoCal day I'll show about 203F at the adaptor, 230F at the sump and 165F at the cooler output. This shows that the cooler is removing 65F from the sump oil, but when mixed at the adaptor the temp gains 40F for the 203F most monitors indicate.
I'm using a Lycoming filter adaptor with a Lycoming Vernatherm, like most everyone uses.
Since I have eliminated the vernatherm and installed the Lycoming "oil plunger assy", according to the schematic that Dan sent, it does not appear that I have higher temp oil from the sump mixing with the cooler oil from the cooler, unless of course the oil pressure should overcome the spring tension of the plunger which I understand would be 100 PSI or so. Can anyone verify?
Tremendous amount of info most of which over my head. So, after all, my question is with the angled valve 200hp IO-360 A1B6 engine with p-mags, RV-8, standard Van's cowl, Texas home, which is the recommended oil cooler and mounting location? Have been investigating the SW 8432R and the 200006A.
Thanks, Dan.
Are there pictures some place in the forum showing your 10611 installation?
Anything special on the exit side?