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Feedback needed to improve loop temps

post #1 of 10
Thread Starter 
Hey guys, I've now had my H20 loop in my system for two months and recently reseated my blocks and cleaned up my tubing.

The loop goes => res/pump => cpu => rad => gpu => rad => (see pic)

Equipment list:
Rasa Cpu block w/ as5
RS240 rad x2
Rasa universal gpu block w/ as5
XSPC 750 pump/res
3/8id tubing
rasa kit fans x2
Enermax 83cfm fans x2

I am overclocked to 3.8ghz 1.45v on the 955 be c2 with 2800mhz 1.4v on the cpu-nb. Temps idle around 40c and load temps are 55c p95 and 57-58c IBT.

Any suggestions to improve this loops effectiveness? I have two antec tricool 120s that I could arrange in push/pull for the bottom rs240. I also have two 120mm shrouds that I could mount on that same rad. Any suggestions or are my temps about as good as they can get? Thanks!

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The Monolith
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post #2 of 10
go res/pump>rad>block(s)> rad2> res/pump

simpler and might give you an extra degree or two

i only have one rad so i go res/pump> rad> blocks> res/pump and i get pretty good temps
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post #3 of 10
If the loops makes sense and is routed correctly, the order doesn't matter much. The temps will equalize after awhile throughout the loop. Only way to get better temps I can think of is fan upgrade, radiator upgrade, or add another radiator to the loop.
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post #4 of 10
Thread Starter 
I do plan to get an rx240 to replace the bottom mounted rs240 eventually. The prob is I have the c2 revision 955 be which have a well deserved rep for running really hot. That is why I went WCing to begin with.

I am currently experimenting with fan setup and speed, it is my project for the day. So far I have determined that my loop doesnt like fans blazing at 100%, especially under load. So, I am going to use my fan controller to turn off all the fans, test idle temps and then continue to test this way with fans at 50%, 75%, 90% and 100%. I will test only one set of fans at a time, leaving the others off....first top-rad fans, then bottom-rad fans. When testing the bottom fans I will try push, pull, shroud-push and shroud-pull. Finally I will test some various combination's of setups that yielded the best individual results.

I'll post my findings here later.
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The Monolith
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post #5 of 10
Quote:
Originally Posted by stonedzen View Post
I do plan to get an rx240 to replace the bottom mounted rs240 eventually. The prob is I have the c2 revision 955 be which have a well deserved rep for running really hot. That is why I went WCing to begin with.

I am currently experimenting with fan setup and speed, it is my project for the day. So far I have determined that my loop doesnt like fans blazing at 100%, especially under load. So, I am going to use my fan controller to turn off all the fans, test idle temps and then continue to test this way with fans at 50%, 75%, 90% and 100%. I will test only one set of fans at a time, leaving the others off....first top-rad fans, then bottom-rad fans. When testing the bottom fans I will try push, pull, shroud-push and shroud-pull. Finally I will test some various combination's of setups that yielded the best individual results.

I'll post my findings here later.
Lowering fan speeds will NOT help your temps, simple physics here.

As the above poster said, only way to get better temps are to add more rad, get better fans, or try a reseat if you did it incorrectly the first time. Those antec tricools are awful for radiators so you would benefit greatly from buying better fans. A better rad would also do wonders.
post #6 of 10
could get another pump and run the gpu seperatly? would lower both temps i would imagine
post #7 of 10
Thread Starter 
My gpu temps never exceed 35c under full load even overclocked to 850mhz from 715mhz. Gpu is barely affecting the loop I think, 460s run pretty cool.
The Monolith
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The Monolith
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post #8 of 10
removing it from the cpu loop would help i would imagine. considering it is still dumping heat into it. idk tho what are your ambients like?
post #9 of 10
Have a read of this thread by Martinm210, gives a guide on diagnosing your loop's performance.

Personally I would look at a re-mount first though, you have enough rad and your GPUs are running cool, that means that the rest of the loop should be working. Therefore maybe your CPU block isn't picking up the heat well enough.
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post #10 of 10
Thread Starter 
Quote:
Originally Posted by GingerJohn View Post
Have a read of this thread by Martinm210, gives a guide on diagnosing your loop's performance.
Funny, that thread was my inspiration to improve my loops cooling.

Edit: Oops, not the thread I thought, but it was one by MartinM

Quote:
Originally Posted by GingerJohn View Post
Personally I would look at a re-mount first though, you have enough rad and your GPUs are running cool, that means that the rest of the loop should be working. Therefore maybe your CPU block isn't picking up the heat well enough.
The loop works fine, I just wanted to see if anyone here could help me make it better. I guess I should have clarified that point.

Anyway, I did hours of tests today and think I found the sweet spot. I Have installed shrouds on the lower radiator and replaced the top fans with the antec tricool 120s. Running all four fans at about 60% on my fan controller, my temps have dropped to 50c p95 and 54c IBT. It is a little more noisy, but not much, and the performance gain is worth it.





I am going to keep playing with it and will share what I find.
Edited by stonedzen - 4/28/11 at 7:40pm
The Monolith
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The Monolith
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