There are full time electric, heavy duty (full time), oil pumps that used on motorsports that are designed to move gear oil to an external cooler.
But I had been dreaming of a dry sump system as well and I ran into this great article, however is Not a cheap proposition... but good reading none the less
https://rennlist.com/forums/racing-and-drivers-education-forum/981880-boxster-dry-sump-system.html
The down side is the fact that they cost almost as much as a properly built racing engine..
.