Earnsfan, you're following again. Nice to have you along behind.
There are several ways to use TBN and one of them is to go to the archives. One can write for the immediate originator of the thread AND for a historical for the archive for others with a same or similar interest in the future.
As for the recommended oil, I know and he probably knows. Can you figure it out? Here's a hint. 10-40 is the multi viscosity and see if you can figure the rest out. Here's another hint. Read the manufacturer name and the content descriptor modifier.
If you still don't know just post.