AZNracerx1989

I get higher idle temps on my watercooling setup than my XP-90... is this normal? My load temp is 70 C at 1.46 v. Normally it would prolly be 80+ C

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ira-k

Yeah I always ran a higher idle on WC'ing then air, but my load temp's were always a lot lower....Say ambient was 20C I'd idle at 24C and load at 27-29C with a heavy OC.....Depending on if you have a good WC'ing set-up or not you might want to try a remount...If you have a Thermal Take kit or something like that your temp's are probably about as good as you will get...

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mrkryz

Depends on your water cooling setup. If you dont have enough airflow over the rad or a large enough rad then you can def have higher idle temps. Idle temps aren't a water loops strongest trait... it about the delta between load and ambient. A well laid out water system may idle a bit high (above +5 - +10 ambient) but the loaded temp will be within a much smaller margin of delta to ambient then air could.

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AZNracerx1989

its a homemade kit with an apogee gt waterblock....

I am using a car ac condenser as a radiator... is that any good?

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mrkryz

if your using an automotive rad how are you dissipating the heat from it? I would assume the units at least 12" x 16" ?? You need to have a few high flow fans on it. Remember that with a pure water loop that ambient is the best temp you can achieve I would rather have a 30C idle and a 35C Load temp in a 25C room then subzero idle and 45C load

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ira-k

Those condensor type rad's with the tubing coming out in semi-circles on each end aren't the best for WC'ing ....


I'd grab a Bonniville heater-core for it they work great and are the right size for 2-120mm fans..They are only about 20 bux at an auto parts store...Do you have a good pump?


...Barbs for heater-core-fstfrddy

...How to make a dual heater core fan shroud...

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AZNracerx1989

im using a pond pump... its 300 GPH

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ira-k

Do you know how much head it has? Thats whats really important for WC'ing..They measure flow with no restriction on it so it really doesn't mean much, the head is the pumps energy or force, its how far it can send a vertical colum of water in the air, so the more head your pump has the more restriction it can overcome, like the restriction from a rad and blocks....If you have 6 or 8' of head it should be fine for a CPU only loop...fstfrddy uses a Via Aqua pump and he gets good temp's with it...I used a Little Giant pond pump before and it didn't work to well, but it worked....I had a real non-resrictive block and rad on it....


...How To silence a Via Aqua

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AZNracerx1989

My radiator doesnt have a fan on it... its a huge car radiator. I tried pointing a big fan on it and my temps didnt change... I am running 1.46 vcore and my temps are 47 C idle 73 C load... which is right on the max temp. Is this normal for water cooling?

About the radiator:
Are radiators supposed to bring the water to room temp or make it even cooler?

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ira-k

The coldest you can hope for with WC'ing is room ambient...Most of the time on straight water I will idle 4 or 5C above room ambient and load at 7-9C above room ambient...Fans should help your temp's....What might be your problem is using to small and low head pump with a car rad...Your coolant might not be circulating well enough to scrub off your heat...

Does it seem like the water is moving well? If its barely moving its not going to do much good..You want around 1.5gpm at least actual loop flow to cool effectively....

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