Hello to Belgium.
1st.i would start with your oil return tubes-absolutely
2nd ,your camshaft cover gaskets and o rings are leaking too.But start to replace the tubes because the job to do the cam gasket is very difficult for you.
Clean the engine of course but in my case i always like to see the engine dirty because you can trace the oil leak better in most cases.
Ivan
Sugar..the best what i used to clean 911..engine is to go car wash and use tire cleaner choise.That takes all of the dirt and oil away-Very inexpensive way to clean it.
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1985 911 with original 501 761 miles...807 506 km
"The difference between genius and stupidity is that, genius has its limits". Albert Einstein.
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