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Radiator, Tubing and Reservoir on a CM 690 II Advice

post #1 of 3
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Hello all,

I've decided to start watercooling proper (i7 + two GTX 285s) and relocate the H50 to a secondary system. I bought the following used items:

1. MCP 655
2. Black Ice Xtreme 240mm
3. Black Ice Xtreme 120mm
4. D-Tek Fusion waterblock (socket 775 but I have the mounting holes on my mobo)
5. EK GTX 285 full nickel-acetal waterblocks
6. (A lot of) Worm clamps
7. 1/2" tubing

Here are my questions:

a) I currently have 1/2" tubing but was advised to go 7/16" for a tighter fit - any recommendations on this end? I'm looking to match the red-black scheme of my R3E and was considering either clear tubing with colored Feser One coolant or colored tubing with distilled water. I've looked at Tygon and Masterkleer and cannot decide.

b) I didn't realize how large the MCP 655 (an oversight due to my overzealousness to get started) is and am not sure where to mount it in my CM 690 II. I'm considering just velcro-ing it in the 5.25" drive bays but I read that the reservoir has to be higher than the pump, and this would be impossible for me. Also, is the pump sufficient to drive my set-up?

c) On the reservoir: I'm thinking of a tube-like reservoir and was wondering what size would be most appropriate, if it matters. I'm thinking of mounting it horizontally on top of the fans on the bottom 240mm rad. I saw a picture in the WC gallery and thought it looked good.

d) My case can only fit two 240mm rads and since I'm hoping to cool an i7 at 4.2 GHz and two GTX 285s, I don't think the rads I currently have would cut it. I don't have much space at the top of my case so I'm thinking of either the Swiftech QP or the Koolance HX-720. Which one is better?

Thanks for any help and hopefully I can make the necessary purchases and get everything set up by next week!
    
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CPUMotherboardGraphicsRAM
Intel Core i7 3930K Rampage IV Extreme EVGA GTX 580 16GB G.Skill Ripjaws 
Hard DriveOptical DriveOSMonitor
Vertex 4 256GB; 1 x WD 1TB Black Asus 24X DVD-RW Windows 8 Pro/OS X 10.8.2/Mint 13 BenQ G2400WD 
KeyboardPowerCaseMouse
Das Professional Silent S Enermax 1250W Silverstone TJ07 Logitech G500 
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Creative Titanium HD 
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post #2 of 3
a) I currently have 1/2" tubing but was advised to go 7/16" for a tighter fit - any recommendations on this end? I'm looking to match the red-black scheme of my R3E and was considering either clear tubing with colored Feser One coolant or colored tubing with distilled water. I've looked at Tygon and Masterkleer and cannot decide.
I have 1/2" tubing on my loop and I have the same radiator... I did have the DTek Fuzion also, no problems fitting the tubing on it. Others and myself would recommend not using dyed coolant because after a while, the color will eventually separate from the water and gunk up your tubing and blocks.

b) I didn't realize how large the MCP 655 (an oversight due to my overzealousness to get started) is and am not sure where to mount it in my CM 690 II. I'm considering just velcro-ing it in the 5.25" drive bays but I read that the reservoir has to be higher than the pump, and this would be impossible for me. Also, is the pump sufficient to drive my set-up?
Not sure about the res needing to be higher than the pump... mine is connected right to the pump on level. The pump is sufficient.

c) On the reservoir: I'm thinking of a tube-like reservoir and was wondering what size would be most appropriate, if it matters. I'm thinking of mounting it horizontally on top of the fans on the bottom 240mm rad. I saw a picture in the WC gallery and thought it looked good.
size doesn't matter for this topic lol

d) My case can only fit two 240mm rads and since I'm hoping to cool an i7 at 4.2 GHz and two GTX 285s, I don't think the rads I currently have would cut it. I don't have much space at the top of my case so I'm thinking of either the Swiftech QP or the Koolance HX-720. Which one is better?
You can fit both on your case and both rads will cool your cpu enough. Someone may be better to answer this...
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Paradise
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post #3 of 3
The res doesn't need to be higher but I wouldn't avoid putting it lower, if you forget to fill it and its lower it'll start pumping mostly air, plus your pump will have to do more work as it'll need to pull the water up to it first. If its higher or level with the water will flow into the pump meaning that even if you forget to fill up your res you should still have water in the system.
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