How tight should the CPU block be? - Overclock.net

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post #1 of 13 Old 03-12-2011, 05:35 PM - Thread Starter
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This is my first custom water cooling installation.
I have an EK Supreme HF full nick water block, but the instructions don't say how far to tighten it down.

The block has a slight bow to it, and my CPU is lapped. My understanding is that when "properly" tightened, the water block will be flat against the CPU.

Other than just trying out a few mounts to get a feel for it, is there a way to know when it is tight enough?

Should the springs be fully compressed, or should there be a gap between the coils?

With a properly installed back plate, Is there such a thing as to tight?

If more government is the answer, then it's a really stupid question.

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post #2 of 13 Old 03-12-2011, 05:38 PM
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I dont have the same block as you, but with the XSPC one, we have the springs where we tighten our bolts on, and we just keep on going until we hit the maximum thread for the springs which stops us from tightening the bolts further, if its the same one, then the springs on your EK, might be the guide for you. In a way that, you can tighten the bolt until the springs stops you from going in any further...

*Just trying to help really ^_^, i apologize in advance if i suggested something that shouldnt be done ^_^**
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post #3 of 13 Old 03-12-2011, 05:51 PM
 
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post #4 of 13 Old 03-12-2011, 05:55 PM
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Tighter than a 14 year old.
just screw it in until it stops, don't apply too much pressure or you'll strip the threads.
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post #5 of 13 Old 03-12-2011, 10:36 PM
 
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Keep on goin' until you can't go no further!! biggrin.gif

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post #6 of 13 Old 03-12-2011, 10:49 PM
 
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Yea in. lbs. torque spec's would be cool. then that feeling of I did it wrong could go away. It sounds like every one is trying to say as tight as it will go without, stripping the screws. Does that ever change, or is it the same for all blocks.
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post #7 of 13 Old 03-12-2011, 10:53 PM
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Have a difirent block as well. Tighten to the stop. That extra pressure can really help at load. Maybe as much as 1-3C where you see a block not tight


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post #8 of 13 Old 03-12-2011, 10:56 PM
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On my XSPC Delta V3 block if you go too tight then the universal mounting plate starts to bend. Not all blocks have super strong mounting plates, I don't own the EK Supreme HF so I'm not sure about your situation. There is always a possibility of warping your motherboard some by going 'too' tight. My EK chipset water blocks would warp my board when tightened until they stopped.
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post #9 of 13 Old 03-12-2011, 10:57 PM
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Umm screwing it too tight will bend the board..you don't want that.

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post #10 of 13 Old 03-12-2011, 11:43 PM
 
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I used my thumb and index finder to tighten them as much as I could with out cranking down to hard. To make sure I had even pressure across the whole block I measured the distance of each screw and with a few calculations was able to find the exact distance I needed to screw each screw down to get the maximum even pressure and my temps were great right out of the gate. Took 10 min to measure the delta screw distance to make sure they were all even.

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