How to boost your torrent dowload really work and simple 
add all this list to your tracker list (in utorrent select your file then on the bottom right in  trackers tab, add trackers and put this list :

udp://tracker.trackerfix.com:80/announce

udp://9.rarbg.me:2710/announce

udp://9.rarbg.to:2710/announce

udp://9.rarbg.me:2710/announce

udp://9.rarbg.com:2710/announce

http://announce.torrentsmd.com:6969/announce

http://bt.careland.com.cn:6969/announce

udp://explodie.org:6969/announce

http://mgtracker.org:2710/announce

http://tracker.best-torrents.net:6969/announce

http://tracker.tfile.me/announce

http://tracker.torrenty.org:6969/announce

http://tracker1.wasabii.com.tw:6969/announce

udp://9.rarbg.com:2710/announce

udp://coppersurfer.tk:6969/announce

udp://exodus.desync.com:6969/announce

*udp://open.demonii.com:1337/announce

udp://tracker.btzoo.eu:80/announce

udp://tracker.istole.it:80/announce

udp://tracker.openbittorrent.com:80/announce

udp://tracker.prq.to/announce

udp://tracker.publicbt.com:80/announce

udp://exodus.desync.com:6969/announce

udp://coppersurfer.tk:6969/announce

udp://9.rarbg.me:2710/announce

http://tracker.best-torrents.net:6969/announce

http://mgtracker.org:2710/announce

http://announce.torrentsmd.com:6969/announce

http://bt.careland.com.cn:6969/announce

http://exodus.desync.com/announce

http://pow7.com/announce

http://tracker.yify-torrents.com/announce

udp://tracker.yify-torrents.com/announce

http://retracker.kld.ru:2710/announce

udp://tracker.1337x.org:80/announce

http://exodus.desync.com/announce

http://pow7.com/announce

http://tracker.novalayer.org:6969/announce

udp://tracker.openbittorrent.com:80/announce

http://193.107.16.156:2710/announce

http://cpleft.com:2710/announce

http://retracker.hotplug.ru:2710/announce

http://retracker.kld.ru/announce

http://tracker.coppersurfer.tk:6969/announce

http://inferno.demonoid.me:3414/announce

http://announce.torrentsmd.com:6969/announce

udp://9.rarbg.com:2710/announce

udp://coppersurfer.tk:6969/announce

udp://exodus.desync.com:6969/announce

udp://open.demonii.com:1337/announce

udp://tracker.istole.it:80/announce

udp://tracker.prq.to/announce

udp://tracker.publicbt.com:80/announce

udp://ipv4.tracker.harry.lu:80/announce

http://tracker.torrentbay.to:6969/announce

udp://11.rarbg.com/announce

udp://tracker.ccc.de:80/announce

udp://fr33dom.h33t.com:3310/announce