Just got mine on, during OverWatch and Doom, 45-48c, down from 82c....I was scared as
(Deleted for Language) doing this, nv messed with a GPU before. Took my time and so far so good, going to buy the Advanced RMA though just in case.
Will say this, the top 2 screws that connect the board and the metal thing, one of the screws you can't just screw in, you have to put that one washer on....The directions leave something to be desired as well.