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Help me with my loop! Too much heat!

post #1 of 62
Thread Starter 
So I just got a 2nd 2900xt and I have them running in CF with two Glacier 600 Blocks. I'm having alot of problems managing all this heat. I'm in Florida ad its quite warm here atm. The only way I can finish a single run of 3DMark06 is to stick a desk fan blowing in to my case an radiator. By the time it gets to the canyon flight it crashes due to heat buildup. LOL

The blocks on the cards are fine and help to get a decent amount of heat out of the case and away from the NB and SB. Both are running stock, can't even think about OCing. I have some RAM Sinks covering the RAM on the top of the cards.

My cpu is running at 3.4 and without the cards connected it idles at about 35C. I don't have any heat issues with the cpu or at least I didn't until I went CF. Wit the cards connected it Idles at about 41C.

The pump is hidden behind the cables in the photo but its an Asetek WaterChill Xtreme Pump. Works fine, gives me decent flow rates.

The loop runs like this.

Radiator>>CPU>>VGA>>Pump>>VGA>>Radiator

I couldn't go from card to card with the loop because of the way the blocks are designed. Trying to mount it like that was a headache.

Does anybody have any ideas about how I can better manage all this heat? Should I get a 2nd smaller radiator ? A triple rad ? Maybe a more powerful pump ? Perhaps just leave the desk fan blowing in it?

Getting tired of spending money on this money pit of a rig.

I've spent about about 2 times as much to run the second card as I paid for it on ebay!





post #2 of 62
how big is your rad?
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post #3 of 62
Thread Starter 
Double 120mm.
post #4 of 62
you need a bigger rad or too add another rad to your lop
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post #5 of 62
I have not made a WC setup before. But, that is alot of components between when the water gets to the radiator again. I would try getting a small radiator and putting it between VGA1 and VGA2.
I don't think a larger radiator would help you as much as a 2nd small radiator would.

BTW, what temperature is it there?
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post #6 of 62
What are load temps?
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post #7 of 62
Thread Starter 
Quote:
Originally Posted by whe3ls View Post
you need a bigger rad or too add another rad to your lop
I'm really not up for spending on a triple rad although there's space on the back of the case. What can I get for <$70?

I've measured inside the case (at the lower rear exhaust fan) for a 2nd smaller single 120mm rad but it looks like it will be a tight fit between the fan and the mb.
post #8 of 62
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post #9 of 62
Cheapest you can find for the best price:
http://www.newegg.com/Product/Produc...98&Tpk=mcr-320
post #10 of 62
Thread Starter 
Quote:
Originally Posted by bruestle2 View Post
I have not made a WC setup before. But, that is alot of components between when the water gets to the radiator again. I would try getting a small radiator and putting it between VGA1 and VGA2.
I don't think a larger radiator would help you as much as a 2nd small radiator would.

BTW, what temperature is it there?
I came very close to getting a 2nd rad 2day just for that purpose but I can't find one that I'm confident will fit. Alot of the merchants apart from newegg won't even accept returns on WC parts.

Quote:
Originally Posted by starlon View Post
What are load temps?
During the 3Dmark06 cpu test, both cores usually go up to around 64c. The 2nd card usually maxes out around 80c. The first card maxes at about 64c.
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