Borderlands 2 Captain Flynt farming (Salvador 50lev, TVHM)

Going to get some skins from Captain Flynt. To kill him you must run through almost all southern shelf map. So fast character is the best choice Gunzerking gunzerker with 70% (130% when incite is active) move speed can complete run on TVHM in about 3min 30sec (50sec longer than fleet-based siren on normal: http://youtu.be/q-wZz1-OaP0 ) based on this build: http://forums.gearboxsoftware.com/showthread.php?t=214524 skills: http://www.bl2skills.com/gunzerker.html#000000000000505510510055035005000 items: -ruby in left hand (to gain hp with fire nova), -orphan maker in right hand (to keep shield depleted), -flame of the firehawk shield (main damage), -legendary berserker mod (movespeed and gunzerking recharge), -life relic (survivability) -and weapon to kill Flynt