Thanks Dan. In other words, according to most on this list, the V-mark
should be about 3/4 of an inch or so to the left (11:00 side) of the case
joint. Double the distance between the U and V marks. I kept thinking I had
it backwards. So to the right (1:00) is ATDC.

I seemed to get some ping that way, maybe will try again with >87 octane gas
I've been using.