The year of the Ford Torino that the Dude drove.The answer is ABCD.
The year The Big Lebowski was recognized as a "culturally, historically or aesthetically significant film by the Library of Congress's National Film Registry. The answer is EFGH.
The year the movie was released to a modest reception. The answer is WXYZ.
Using the following coordinates to solve N41 35.HDD W083 3D.ZEC
Posted coordinates are fictitious. Bring your own writing instrument and replace as found.