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Thread: GBU Larkooler Extreme G1/4" (KU3-241) Liquid Cooling Kit

  1. #1
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    Default GBU Larkooler Extreme G1/4" (KU3-241) Liquid Cooling Kit

    GBU has introduced a new DIY water cooling kit called the Larkooler Extreme Performance G1/4" (KU3-241) Liquid Cooling System. The new system employs a better pump and block, bigger tubing, and supports standard G1/4" threads. It looks gorgeous, so let's check out the performance.



    Click HERE for the full review.
    Last edited by Skyguy; 19-01-2011 at 21:58.

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    This looks like an Aluminum radiator...If so that's a negative Deton?????
    [IMG]file:///C:/Users/Jim/AppData/Local/Temp/moz-screenshot.png[/IMG]

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    Nice little kit they put together second time around, good review Tony.

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    Copper tubing, aluminum fins .

  5. The following user thanks Doctor_Death For this above post:

    Drdeath (20-01-2011)

  6. #5
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    Good review
    I am curious as to how this would have preformed outside the case on the stock fans drawing ambient air through the rad

  7. #6
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    Indeed this kit is much improved over the first generation.

    @DrDeath; like Doctor Death said, it's copper tubes and alum fins. One thing I noticed the fins are much thicker than the conventional folded thin copper fin rads. I think it's one reason it needs high flow fan due to thicker fins and aluminum.

    @vinman; it's definetly this kit was design to put the rad outside of the case because of the port position and it cames with two rad stands so you can put it on the desk. I think it will perform better when it's outside with high rpm fans.

    One more thing suprised me is the CPU block, the design is un-usual. The fin-channels are so tight close together, I thought it would be very restricted but the flow rate is not bad at all. I'll do the thermal test for the block by itself when I have a chance.

  8. #7
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    Quote Originally Posted by Deton View Post
    Indeed this kit is much improved over the first generation.

    @DrDeath; like Doctor Death said, it's copper tubes and alum fins. One thing I noticed the fins are much thicker than the conventional folded thin copper fin rads. I think it's one reason it needs high flow fan due to thicker fins and aluminum.
    I agree and think this would be an excellent kit once the fans are switched out

    @vinman; it's definetly this kit was design to put the rad outside of the case because of the port position and it cames with two rad stands so you can put it on the desk. I think it will perform better when it's outside with high rpm fans.
    That was my thoughts as well!

    One more thing suprised me is the CPU block, the design is un-usual. The fin-channels are so tight close together, I thought it would be very restricted but the flow rate is not bad at all. I'll do the thermal test for the block by itself when I have a chance.
    I was also impressed with that blocks performance and really like the way it looks, I look forward to the thermal test results.

    also I like the fact that you have two choices bay mount or case mount the pump and rez
    Last edited by vinman; 20-01-2011 at 02:20.

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    Great review Deton!
    Not a bad setup for the money.

    The block, pump and res look to be of decent quality. Can these items be purchased seperately so one could choose a rad and fans themselves?

  10. #9
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    FronzenCPU only sell it as a kit but can inquire it directly from Larkooler, but I didn't see the block on the part list though.

  11. #10
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    Deton do you know the approximate cost to purchase a Heat Killer block here in Canada?

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    Quote Originally Posted by 4hams View Post
    Deton do you know the approximate cost to purchase a Heat Killer block here in Canada?
    you're looking at; from $100 - $130 depend on the finishing.

    The only place you may can find it @ Dazmode and he's not big retailer so stock is always depleted.

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    Thanks Deton!

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    Hey Deton, what CPU block do you use in your custom whatercooling setup?

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    Joel Are you thinking of going to that block?

    I have been looking at changing to the Swiftech XT but worried about the flow rate being so low! and whether my pump will be strong enough for this block? or would it make that big of a difference from the coolit block that's currently on my system.

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    Nothing wrong with thinking... The whole kit is $200.00 so throw away the rad and fans and get a really good rad and fan setup makes the whole system fairly cheap and reliable.

    I thought you had changed out the coolit block long ago?

  17. #16
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    it's depend on what block was last reviewed, the most popular brand name blocks perform within 1-3°C.

    Apogee XT
    EK Supreme HF
    Rasa
    Koolance CPU-360
    Aqua Kryos XT

    just to name a few; it's hard to tell which one is best for you, so now it's come down to its value, availability and personal aesthetics perference.

    Most the above blocks included everything but Apogee XT has 1/2" barbs but non for the others.

    Are you thinking of doing a custom setup?

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