no, i copied it to my HD and it was like almost 5000mb. thats why i want to delete something rathere than pay ing 30$ to get a 3 pack of 8.5gb dvd-rs.
You could try to find the xbox live data and delete it(since you can use xboxlive with a copy) and if that does not work, try to compress the video files.
You can delete the entire folder named "bink" and everything will play fine, you won't have the intro to the game, it will just say loading, but the game will play fine. You cannot compress the video files though, like you can with a dvd movie.
you must have a modded xbox, and you then have to establish an FTP connection with it. Check out the tuts here: http://www.xbox-scene.com/tutorials.php