Hi gurus
Apologies if it’s a repeat - tried searching.
2006 Porsche Cayman S. Rebuilt as 3.8 with Nickasil cylinders.
The owners manual calls for:
0W-40, 5W-40, or 5W-50 (flawed “Lokasil” bores stock)
About 8 litres a change. Then uses a little over the life of the oil - flat 6….
The...