Slant Six Crankshaft Flywheel Bolt Pattern Orientation
I believe we have this figured out, with the help of a member of Slantsix.org. The bolt hole that is labeled BDC in the picture is actually TDC of #1 and it lines up with the keyway. I had my head on backwards when I looked at my crank. Too many late nights with a new baby. It was the same on 4 different crankshafts.