You should read
Dreamonic post he discussed that the fact that some G752 heat sinks were not setting level on both CUP and GPU, his solution is to carefully bend the heat pipes until the CPU and GPU sit flat 100% contact with the heat sink. He claimed -10C on all that he had done this with. You may want to discuss this with him for further information.
G752VY-DH72 Win 10 Pro
512 GB M.2 Samsung 960 Pro
1 TB Samsung 850 pro 2.5 format
980m GTX 4 GB
32GB DDR 4 Standard RAM
Z97 PRO WiFi I7 4790K
Windows 10 Pro
Z97 -A
Windows 10 Pro