Last night my build started acting strange. about every other restart the idle temps would jump about 25c. I figured I had an air bubble break loose and after every trick in the book, I turned to the radiators as the possible cause.
I broke out my Snap on BK 5500 Visual Inspection device to have a look. So at the risk of ridicule, and various smart *** remarks
the BK5500 is designed for inspecting inside small spaces. It's probably the best investment tool-wise I think i have made.
Inside the rad tank, so far so good.
The whole inspection device is slightly smaller diameter than a No 2 pencil. The adjustable lighting source and full color high res camera is about 1/4"
Another look at the cooling channels
It has a 90 degree adapter, this shot is actually taken from the inside of the radiator looking out ( that's a light fixture on the ceiling)
Guess what the blue thing is? that is a inlet/outlet plug they package it with, and it blocks the flow rather well. I went back to the box it shipped in and I had the correct number of them, so it apparently got pushed in at the factory.
This thing gets extremely close and holds focus. I have found damaged pins, burned DIMMs, small cracks in PCB's etc. If you build systems, you might want to check it out.