Joe, sorry, please forgive me my ignorance - do you mean a quarter of the US gallon by a "quart"?
I am just trying to refer to what Dan said about a liter between the marks.
When you say two quarts, given that the US gallon is 3.785 liters, 2 quarts would be 1.89 liters - quite a lot...
( this is (3.785 : 4) x 2 = 1.89 )
Total oil capacity is 6 liters if I remember correctly (with the filter).
Am I correct in converting the US volume units?