I have 4 quarts in the sump and case. I confirmed that the oil cooler itself only holds .22 qt. I have a Canton cartridge oil filter that I fill before screwing it on. So, now after draining a quart, I have 4 quarts plus whatever is in the filter. It seems like that should bring it up right to the full line. It is about 1/4" above the line. With the 5th quart, it was about an inch above the line.
I have quite short lines to the cooler. It is directly above the filter mount with the Mocal sandwich.
I attached my extended pickup tube with JB Weld and I assume it is sealed.
With the 4 quarts, after subtracting what is in the cooler and lines and what gets pushed into the Accusump, that is probably the same as running a bit below full.
On Saturday I drove it for about 5 hours with the 4 quarts and the oil pressure didn't do anything weird. I am still wondering why the oil is above the line on the dipstick. I am going to have to look for the original dipstick I replaced with the chrome one.