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I need some trouble shooting ideas for very low flow rate.

Case: 800D

EK Acrylic Res with Flow Propeller
2x 120.3
1x 140.1
MCP655b

Ek Supreme HF
EVGA Classified Block
2x GTX 590 Blocks

I will explain design as best as I can.

140.1 is on the exhaust on the outside of the case.
Pump externally attached under it.
120.3 on the inside of the roof.
120.3 externally on desk.

Resevoir sits on the top facing forward and level with the rear.

Order:
Resevoir => Pump => 140.1 => external 120.3 => CPU =>
Motherboard Block => GPU1 => GPU2 => => internal 120.3 =>
Resevoir

Things Checked:
Hoses are in the correct inlet/outlet.
Kinks in hosing.
Leaks checked/fixed.
Pump/radiators are sitting below Resevoir.
Vasts amounts of shaking, and tilting.
I have had air bubbles come out but not much is left and I rarely hear any bubbling... or water flow for that matter.
Pump is a fixed speed one, and its on.

Strange:
Despite having weak flow, if I strangle the hell out of a hose propeller/flow doesn't stop probably due to my raw and sensitive fingers but it leads me to believe there is weak flow everywhere. I hate comp fittings. But if I had to guess this would be a restriction in a block... which is of course a pain.

Before I took loop apart yesterday I had 100% flow, so draining and adding fresh water shouldn't technically have caused it... I do not know. If I had to guess... the restriction most likely be in the tightest passage way and most difficult/messy (murphy's law) for me which would be the Supreme HF and its plate.

Looking for other tips before I tear it all down again for the fourth bloody time. I also want to note that I have added another 5 ft of hose (to and from) the external radiator. I know this may have reduced flow rate but it shouldn't cause a single pump to trickle to a near stop should it?

Flow meter:
A 1" diameter propeller, full revolution every two seconds. I was use to just a blur of motion.

Sent from my DROID2
Edited by RagingCain - 4/2/11 at 1:12pm
Snowdevil
(16 items)
 
ASUS G750JM
(9 items)
 
 
CPUMotherboardGraphicsGraphics
[i7 4790K @ 4.4 GHz (1.186v)] [Asus Sabertooth Z97 Mark S] [nVidia Geforce GTX 1080] [nVidia Geforce GTX 1080] 
RAMHard DriveCoolingOS
[G.Skill 32GB DDR3 2133 MHz] [Crucial MX100 256GB] [Phanteks PH-TC12DX] [Win 10.1 Pro] 
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[LG 29UM65 (2560x1080)] [QNIX Evo II LED (2560x1440)] [WASD v2 Tenkeyless] [NZXT Hale90 v2 ] 
CaseMouseMouse PadAudio
[ThermalTake GT10 Snow Edition] [Razer Mamba - Chroma] [Razer Kabuto] [Razer Man O' War] 
CPUMotherboardGraphicsRAM
i7 4770HQ Intel HM87 Express Chipset Geforce GTX 860M 8GB DDR3L 1600 MHz 
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Monitor
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Snowdevil
(16 items)
 
ASUS G750JM
(9 items)
 
 
CPUMotherboardGraphicsGraphics
[i7 4790K @ 4.4 GHz (1.186v)] [Asus Sabertooth Z97 Mark S] [nVidia Geforce GTX 1080] [nVidia Geforce GTX 1080] 
RAMHard DriveCoolingOS
[G.Skill 32GB DDR3 2133 MHz] [Crucial MX100 256GB] [Phanteks PH-TC12DX] [Win 10.1 Pro] 
MonitorMonitorKeyboardPower
[LG 29UM65 (2560x1080)] [QNIX Evo II LED (2560x1440)] [WASD v2 Tenkeyless] [NZXT Hale90 v2 ] 
CaseMouseMouse PadAudio
[ThermalTake GT10 Snow Edition] [Razer Mamba - Chroma] [Razer Kabuto] [Razer Man O' War] 
CPUMotherboardGraphicsRAM
i7 4770HQ Intel HM87 Express Chipset Geforce GTX 860M 8GB DDR3L 1600 MHz 
Hard DriveOptical DriveCoolingOS
Samsung SSD EVO DVD-RW Stock Windows 8.1 
Monitor
1920x1080 TN 
  hide details  
Reply