Let me help...

Owner's manuals can be dl'd from Nissan here:

http://www.nissan-techinfo.com/nissan/deptog.asp?dept%5Fid=35

With a filter change, the VQ40 holds 5 3/8 quarts of oil. With any luck, someone will fabricate a pan spacer that'll pick up that last 5/8ths and let us just use six quarts on the button, but I'm not going to hold my breath.