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My warmer than I was hoping for temps

post #1 of 22
Thread Starter 
Ok, so I finally got my PSU back and hooked it all up. While the difference between my idle and load temps are very small, I'm still starting out on the high side. This did allow me to bump my overclocks on both CPU from 3.3 to 3.5 and my 8800gtx from 626/1000 to 670/1000, but I guess I was hoping for close to ambient idle temps and I'm no where near that.

C2D E6600 stock 2.4GHZ @1.325 overclocked at 3.5Ghz@1.50
8800gtx stock 576/900 overclocked at 655/1000


Using a little handheld IR lazer thermometer
Ambient Temp 23-24C
Rad fin temp 25C
System Temp 33C
MCP temp 35C

MB CPU Idle Temp 38C
TAT core Idle Temp 45C

MB CPU Load (Orthos) 45C
TAT core Load Temp (Orthos) 48-50C

GPU Idle Temp 37C
GPU Load Temp 40C


Does this seem about right?? Seems like good deltas and if I had poor TIM contact I figured I would see a bigger difference there. I do have all my case fans turned down really low...hmm It was down like maybe 5C at stock clock/volts, but it still seems high. Maybe it's time to do a better lap job on the IHS?

D-TEK fuzion
MCW-60
MCP655
MCR320x2
Yate loon 45cfm fans

    
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post #2 of 22
You need another pump man. Or one single more powerful one. That MCP655 has like 13 feet of head, but with ALL the radiators and block distance you have, you need another pump to keep up with it all. I bet if you put a flow meter in there it would be squat.
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post #3 of 22
through both rads you might be losing your flow . . .I would maybe consider a stronger pump or a dual loop system . . thats alot of restriction going through two triple rads and two blocks

EDIT >> ^^ haha what he said
 
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post #4 of 22
Well it looks like its bleed well...The first thing I would do is a re-seat and see if it helps..I know that sounds old and trite but re-seats have given me 3-5C reduction in temp's...TIM cure will help a couple more...If that doesn't knock it down a little either put some higher cfm fans on your rads or break it down to just one rad...You will get it down you just need to optimize now...Thats half the fun......Hey you are pulling through your rads right? If not I would...
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post #5 of 22
Thread Starter 
Thanks!!
I will try the reseat first, I think I have a tendency to put a bit too much AS5 on. I'm also never really sure just how much I should crank the WB bolts down, seemed like alot of pressure...maybe I overdid it.

I am pulling through the rad and using the IR thermometer(which isn't very accurate) it seems like the tubing and rad temps are around 27C. So I'm kind of thinking maybe it's the contact, but then again the GPU is 38C too...so maybe it is a lack of flow.

If I have to buy another pump I'll just run two loops, but before I do that I'll get myself a 5 gallon bucket and time how long it takes to fill running through the loop. I didn't think pressure drop would be an issue, both the CPU ang GPU block only have about 2psi drop @ 2 gal/min and the rads only have 1, so that about 6 psi drop plus the tubing/fittings.

Thanks for the tips...back to tinkering
    
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post #6 of 22
Yeah I would check the flow like that before buying another pump...You'll get it...
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post #7 of 22
my bet is on those 2 rads and like you said pressure drop.
get a 480GTX LOL. and of course better fans, some nice high CMF ones.
Leave that as your last option though, if you want better temps.

Like Ira said just tinker with it. Persuite of perfection lol.

BTW how did you mount that fan into that PCI slot there?
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post #8 of 22
Thread Starter 
Well I pulled the Fuzion, lapped the processor, and reset the block with AS5 using the line method and getting roughly the same temps, maybe better by 1C if that.

The coolant lines are all running at around 25 - 27C, there is not even 1C temp change across the blocks or rad, so I would have thought if there wasn't flow I would see more change in temperature around the loop?

Guess I'll have to do the flow rate test with a bucket/stop watch and while I'm at it, I'll pull the water block apart and check it out closely. I've been curious what my flow rate is anyway.

Maybe I'm looking at temps too much, it did give me the extra overclocking I was looking for on the processesor and also an unexpected gain on the GPU overclocking, so the bottom line results are there...just not the I'm idling at ambient hope. Or maybe I just have one of those hot E6600s, seemed like it was hotter than normal when air cooling as well.
    
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post #9 of 22
Your only dropping 1C across your rad? I haven't hooked up my in-line temp sensors on my new loop yet but with my 240 BIX I was dropping 1.5C-2.5C across the rad...That sounds like either the flow or you need some different fans on your rad.....

Measure out and mark your water container in pint or quart lines and you can get a pretty accurate idea of your flow...

You might just let it go for a day or two and see what it does....Cant hurt...

Idle temp's don't matter anyway...You have a good Delta thats whats important..
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post #10 of 22
Those Swiftech MCR320's arent that good for cooling, just by looking at the number of cooling fins in th rad, my GTX has about triple the amount my MCR320 has.
Someone was talking about how they got 2 320MCR's for less than a 480GTX, yes thats true, but not everytjing is about amount, i go for quality over quantity. But thats just me
do that and you will see a better drop in temps.
I really dont consider the Swiftech rads high end anymore, high end are Hw labs, thermochill etc, having upgraded from a MCR320 to a 480GTX, i have had experience with both, and let me tell you, with the Hw labs, you get what you pay for!!

And some more flow will help as well
As those 2 rads are dropping your flow for sure.
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