Most helpful or amazing thing you've learned

[BILL WILLIAMSON]

I learned that screwing the mixture screw in, is not lean, but is RICH!
I learned that external oil line to timing gears is not necessary, as oil is flooded to the gears through the cut away in the front wall of the oil reservoir.
Yes, I've been quiet for awhile as I'm waiting for the inevitable with Pat and humor is in short supply. ---Bill W.