I used to have h115i platinum with 2 cases fans in front then 2 noctua fans then h115i rad then 2 ml fans and my 9900ks 5.1ghz 1.325v never hit 80C during realbench. They stay around 55c-65c with some random spike hit to low 70c only. Now with my new loop, it hit 80c within a few minutes then back down to 60c-70c. I though I could have better temp with my custom loop or at least similar but now I got worse. My loop is ek quantum kinetic 300 then 280mm 45mm thick rad in front, then to ek velocity block, then to 360mm 45mm thick on top, then to 140mm 45mm thich rear, then to gpu block, finally back to the pump. Pump and fan speed set to max doesn't change. The only good thing I have with this loop is my 2080ti now never excess 55c during stress test and 45c-50c during gaming.I don't know what is going on guys.