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Is my loop too long?

post #1 of 14
Thread Starter 
I've read a few places that having a loop that is too long can cause dimished cooling. I presume it's to do with how much water the pump can move through the system and the longer the system the less water the pump can move?

Anyhow i have got my GTX 580 waterblock now and i am going to mount it, but i'm wondering if my loop length is too long?

My pump is a MCP655 running @ full speed.

post #2 of 14
Get a EK topper for your pump to boost the flow... and you'll be good to go. I have a GTX 570 and my temps are usually 29°C idle and 38°C load (overclocked)... cpu is about the same but i have an extra 120 rad

Also I have mine set up like this:
res > pump > gpu > 120 > cpu > 360
post #3 of 14
Don't worry - your loop length looks fine.
    
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post #4 of 14
The line from the pump to the rad seems a bit long but if your going to add another block to the loop then you should be fine.
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post #5 of 14
Quote:
Originally Posted by jackbrennan2008 View Post
I've read a few places that having a loop that is too long can cause dimished cooling. I presume it's to do with how much water the pump can move through the system and the longer the system the less water the pump can move?

Anyhow i have got my GTX 580 waterblock now and i am going to mount it, but i'm wondering if my loop length is too long?

My pump is a MCP655 running @ full speed.
Mind taking a pic of how you mounted your pump? I had problems with same pump and 700D,

post #6 of 14
Well the larger the loop the more surface area inside the tubing (total) therefore more friction therefore more head-loss. BUT should not be a problem I've ran double the length of tubing in a loop than what you have so i would not worry about it.
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post #7 of 14
Thread Starter 
Quote:
Originally Posted by wholeeo View Post
Mind taking a pic of how you mounted your pump? I had problems with same pump and 700D,
I have the pump on its side with its 'foot' up against the sliding piece of plastic that seperates the two rooms.The inlet is pointing to the left and the outlet is pointing towards the perspex window. I used a small bit of white tubing to prop it up and the provided mounting sticky thing to stick the foot to the plastic sliding door.

It fits really well and took me about an hour to figure it out. It's extremely tight in there.

@ everyone else - I'll mount the waterblock and see how it goes.
post #8 of 14
Quote:
Originally Posted by jackbrennan2008 View Post
I have the pump on its side with its 'foot' up against the sliding piece of plastic that seperates the two rooms.The inlet is pointing to the left and the outlet is pointing towards the perspex window. I used a small bit of white tubing to prop it up and the provided mounting sticky thing to stick the foot to the plastic sliding door.

It fits really well and took me about an hour to figure it out. It's extremely tight in there.

@ everyone else - I'll mount the waterblock and see how it goes.
What kind of tubing are you using? I tried a couple locations in the PSU area but would get kinks.
post #9 of 14
Thread Starter 
Quote:
Originally Posted by wholeeo View Post
What kind of tubing are you using? I tried a couple locations in the PSU area but would get kinks.
7/16" Primichill tubing
post #10 of 14
Quote:
Originally Posted by jackbrennan2008 View Post
7/16" Primichill tubing
Same here....
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