Engine 87 rear main leak

That should be 4 pints, not quarts thread sealed flywheel bolts let the car sit for a day before starting oil pan not leaking,valve covers not leaking cam shaft plug not leaking, and the three pipe plugs are not leaking the crankshaft has no grooves or scratches on it

This is the car and this is the spot any questions ????????? And that's at ideling for about 5 minutes or so.

I am looking for the dimensions on a 302 crankshaft, I will call it the rear hub were the rear main oil seal rides and flywheel bolts to,not sure if that's the correct name for that part of the crankshaft, I am, trying to figure out if my crankshaft is bad, making my rear main leak. Any help will greatly be appreciated.