I would add a liquid one quart at time with the pan off like now to see where I would want the oil level in that pan not running and use that amount with it running up work scope wrench twocents
you might want to think of making and using a crank scraper also if our looking for the best all out race configuration work twocents

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)