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TJ07 wc2 project - LOTS of feedback needed - Page 2

post #11 of 15
Thread Starter 
After all this feedback i made some changes to the setup. Below is rev.2 :



Some explanations:

-As you see each loop is now split up with Y fittings. Loop1 has two "sub-loops", one for CPU+NB and the other for mosfets+RAM. Loop2 is also split up for each gpu.

-Flow meters are added before the end of each sub-loop (the little circles with "Y" in them).

-The sub-loop with mosfets+RAM is meant to be for 3/8 tubing (the rest sub-loops for 1/2'' tubing).


And some words on this change:

PROS:
1. Both each GPU and CPU are now cooled with fresh cold water directly from the rads.
2. The 3/8'' tubing for the sub-loop of mosfets+ram guarantees that PA120.2 is "working" mainly for CPU (since NB won't generate much heat).
3. RAMs are also added in the game (btw most watercooled rams hav 3/8'' burbs).

CONS:
1. Flow restriction added?


So, if my thoughts are correct, these setup should cool better CPU and both GPUs better than my first plan. Also note that NB can also be added in the 3/8'' sub-loop and leave CPU alone, but in this case i think that RAMs might not be cooled at all (they could heat up instead...).


And here goes the questions again .

1. Will this setup work and work better than the first plan? thinking:
2. Should NB be put in the 3/8'' loop and leave CPU alone?
3. I've also noted Eheim's pump "Aqua Computer Aquastream XT USB" which has better head pressure than MCP655 (and also has "better" price ). With this head pressure obviously i won't have to worry about the flow restriction, but is this pump good and silent as 655? The monitoring program can set the pump to work full-speed like the little varistor behind 655.
4. Which is the minimum CFM i need in the fans for both rads? I'm also looking for as silence as possible (without losing dramatically in cooling perfomance). Silent for me is 14dBa max.
5. Any flow meters for 1/2'' tubing (btw, if Eheim's pump is good, i won't need flow meters since the pump is monitoring the flow)?

Thanks in advance again
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post #12 of 15
I'd run 3/8 or 7/16 tubing on 1/2 barbs, it seals so much better, bends tighter and no loss in performance. I would also put both rads in the lower chamber for a clean, all internal look. Also, do not use Y fittings, it will kill the flow.
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post #13 of 15
Not bad, just see one quick issue.

Your RAM is watercooled, which is pretty much useless, the heatsink / spreader would do just fine.

Also, the single 240 might not be enough to for a quad and chipset, but that is just me, I love my overkill.
    
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post #14 of 15
Thread Starter 
Well, i'm not quite sure for loop1 neither... is mosfets' and NB's cooling that important when overclocking? If they can stand some overclocking (im not pushing q9450 to its limits), then i could cool cpu alone with one pa120.2 and this would be perfect (saving also the flow from the Y fittings). The only reason im trying to include mosfets+NB in the wc setup is because ive read in a forum that cooling these parts will help in FSB.

As for the split GPU loop, i think a strong pump (as the ones ive mentioned, Eheims, 655 etc) can handle the load, right? Or i need a Iwaki . Mind that the actual GPU loop mind be significally smaller than the picture, since the drawings/measures in picture are not 1:1 with the real ones.

PS: Any advice on Eheim's pump and for silent fans (with adequate cfm)?
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post #15 of 15
Jesus - you definately did your research - those thermochills cost heaps. I want a pa120.3 and MCP-655.
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