Do an internet search for Winchester Stock Oil by John Kay. He was a master restorer of old Winchesters and developed a finish like Winchester used before the 1940s. It is 100% linseed oil based, as were the original finishes, with a tint to give the Red-Brown Winchester color.
With a stock oil pan, it should only be about five quarts.
800 RPM should yield about 25-40 lbs. of oil pressure on a stock motor.
Yes, there is a way to make hardwood floors look new without refinishing. Cleaning the floors with a mineral oil based cleaner will make them like new. Murphy's Oil Soap has enough mineral oil to accomplish this task. There is also a product on the market called Amish Oil that will also clean hardwood floors.
Oil is not part of the stock market. It is part of the commodities market
You rub oil into it.
5Qts with stock oil pan
The stock holders own the oil companies.