well i got a 6.0 im working on and i want the stock fan gone. i took my old clutch tool and drilled holes in it and welded in some pieces of concrete bits to make a spanner. i have bowed up enough to break it (the tool ) several times in both directions and it wont budge. is there a trick to this guy on net said it breaks to left if your standing in front of engine guy at gm shop said to the right. I put enough on it both ways im amazed something did not break. why did they decide to put small holes in the pully as a place to grab it. i even taped pretty good with a hammer both ways to try to break it nope. I dont want to ruin the pully and pump trying to get it off and im afraid heat will trash the pump bearing....