With the front piston at TDC position the flywheel with the timing marks on top. The timing pointer is actually the casting split that runs vertically at the center of the cylinder on the rear of the block.
Now, to be the firing TDC position, both valves must be closed.
Where Are You From? Texarkana, Tex
Do You own a car built by Durant? And Now, A 1929 Durant D60