Quote Originally Posted by Manicdan View Post
ok heres a question, if i take a normal waterblock and replace the top with a copper one thats horribly tall and just a solid brick of copper. would that hurt anything? the flow would be identical, the base would be identical, but extra heat would be absorbed by the top. i doubt this would alter the temps, infact i think it would help for a few minutes, but after an hour would be the same as the original.

i think less emphasis needs to be made on how much copper is used, and more about the distance between the heat source and the water's surface area
Yup, it would help store the heat the first minutes, and then slowly releases it to the water. Like a giant heat capacitor.