Modding D-Tek Fuzion GFX for more flow/less restriction?

Just remember pressure drop is not a linear relationship to flow rate, so it's very possible to be several times less restrictive but only get double the flow rate:up:

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Originally Posted by Martinm210

Just remember pressure drop is not a linear relationship to flow rate, so it's very possible to be several times less restrictive but only get double the flow rate:up:

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Yeah I understand, it was just an example

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Originally Posted by jerrydog

Here is pictures of my modification. This increased the flow 5X over stock performance. NOW it flows better than MCW60!:up: :up:

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What sized holes are they?

If that's the only modification needed to be done, and it now has equal or better flow rate and/or pressure drop to an MCW60, then I might look into doing that for my loop, since www.flabbergast.com.au is offering package deals of a FuZion GPU + UniSink for AU$95, as opposed to the ~AU$120 for an MCW60 + MC8800 heatsinks, or ~AU$110 for MCW60 + UniSink.

Eller

so I went and took apart my block today, much to my disdain (ugh, those O-rings are so small, and the ridges are tiny) and I found out that instead of the block being 1/2" all the way though, turns out the jet in the middle is a 3/8 hole instead, and that is probably why it is so restrictive. so I can see why drilling holes would make it flow better

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Originally Posted by Digital Nirvana

so I went and took apart my block today, much to my disdain (ugh, those O-rings are so small, and the ridges are tiny) and I found out that instead of the block being 1/2" all the way though, turns out the jet in the middle is a 3/8 hole instead, and that is probably why it is so restrictive. so I can see why drilling holes would make it flow better

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The CPU block is also 3/8" and flows just fine, I think most of it is the sharp extended entrance. The other thing I thought about was making some sort of doughnut shaped ring on the inlet side just to give the water a more radiused inlet. That's something you could try that would be completely reversible.

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Originally Posted by Martinm210

The CPU block is also 3/8" and flows just fine, I think most of it is the sharp extended entrance. The other thing I thought about was making some sort of doughnut shaped ring on the inlet side just to give the water a more radiused inlet. That's something you could try that would be completely reversible.

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while the Fuzion CPU might be 3/8, it is also straight down into the 3/8 hole, whereas the GFX is not. I figure I will try and hook a hose straight into the fitting since I am running 3/8 and 1/2 split system (haven't made any barbs yet)