I made up my mind. I can buy Luqui Moly Longtime High Tech 5W30 (VW502, VW505) oil change kits (6 qts of oil, filter and drain plug) from my local NAPA pretty reasonably - $58.
Why ask the question? Everyone is telling you the same thing for a reason. You should Really do your research on that engine from LONG Term improper oil usage and effects on timing chain wear, valve, CAT damage and other Oiling related issues. Your particular unit may have the variable oil pressure pump system designed around maintaining a certain flow/viscosity
Further more, the is much Less soot and tailpipe residue from the lower SAPs oil. Like the 504.00 than predecessors. Almost no tailpipe soot in my VR6 using 504.00 after 9.5k miles OCI.
This is just one example.
https://youtu.be/MhgZ7_oHVyY