agreed, thats my thinking all this timeI can't believe this post got like 6 likes.
Can someone explain to me how a crankshaft and a bearing or a piston and a cylinder wall, which are machined with a specified clearance between them, has a larger clearance by using thicker oil? It doesn't. It simply cannot.
That film of oil can be stronger in the space provided, but the space itself cannot physically be larger.
And I believe you meant tribology.