Firstly if there is no oil down low then there is not going to be a engine
So you need a gap all round by about 6/10 mm
I would also get a recess pressed in the middle and put a hole in the
Centre of that to
Also lift the end that is down on the pan by 3/4mm

The baffle in the bottom of the pan needs a few half round holes
At the bottom To let the oil move to the pick up .
as at the mo your going to do a good job of
Keeping it away