I pulled the shafts to see if I'm getting oil. None up top, and I rotated the engine one full turn to see if I could get the oil holes lined up. Now, I'm running the drill forward. Should I be running it in reverse? Small block, BTW. I never thought about drill direction, but there is absolutely no load on the drill, and it's just a 3/8. Even with no restriction up top, there should be some drag from moving 20W50 oil. The oil on the dipstick shows no discoloration, either. It's perfectly clear.