Back to the Future 2 Mystery Cache

In honor of the day Marty went Back to the Future, we are putting out our second in this series.

Watch the movie, pay attention, find the info in the scenes below, get coordinates!

The posted coordinates are NOT where the final is located.   

Permission was granted by the manager of the establishment where the final is hidden.  

Please replace cache exactly as you found it. **********************************************************************

One of the best lines in the movies is "Roads?  Where we're going, we don't need roads!"  (subtract 1)

How many letters in the name of the invention Marty escapes from Griff on? + Number of times that the word Chicken is mentioned + the scores of each team in the UCLA and Washington game added together

Ignoring the 19's in the years, add the year Marty's dad was born, and the year he died in the alternate Biffcentric future.

The floor that Marty was safe and sound on Biff's Pleasure Palace x3 plus how many Back to the Futures were in the series

The Western Union people were waiting for 70 years, 2 months, and how many days?  Subtract 1 from this number

Which generation of Goldie Wilson's did we see in the future, plus the number of hours from his arrest till Griff was convicted since the justice system works swiftly now that they've abolished lawyers

The number of letters in the name of future Marty's coworker who gets him into the scheme that gets him fired.   AKA the number of letters in the character name that Flea played. Subtract 1

The time they arrive in the future is 4:?9 pm

You can check your answers for this puzzle on GeoChecker.com.