Today I have been modifying the cam timing, to make them symmetrical.
And guess what it seems to work.
Below is the “vernier adjustment” I think Wayne called it. by taking the 4 bolts out and re positioning it in the next 4 holes, there is a fractional angle change. And because the cam shaft is geared, rotating this ring once around , you have a whole new set of options, but all slightly shifted again.
But the most interesting thing is, when I was talking with Wayne again, and showed him the brass plate at the front of the engine: