I made a mounting for the CPU block with a central hold down which I can screw
down to exert pressure directly over the core.

 Chiller Adventures Part 2

 Chiller Adventures Part 2

 Chiller Adventures Part 2

My insulation equipment, neoprene and foam.

 Chiller Adventures Part 2

Insulation for the back of the motherboard.

 Chiller Adventures Part 2

The blocks’ bases were lapped of course.

 Chiller Adventures Part 2

The hold down for the Northbridge cooler made from a screw, aluminum bar and
brass rods.

 Chiller Adventures Part 2

 Chiller Adventures Part 2

 Chiller Adventures Part 2

I tested out the rig with just ambient water first.

 Chiller Adventures Part 2