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Improving the Scythe Infinity CPU Heatsink for extreme cooling

Modding/Small Mods by enz660 @ 2007-05-08

In this guide you can follow the steps required to unleash the full cooling power of the large tower CPU heatsink from Scythe. The Infinity is fitted with custom motherboard mounting, 2x120mm fans and cool black shroud. Read on to find out how much performance one can extract from this CPU cooler by doing some ghetto style modifications.

Custom Mount & Fin Bending

Custom mounting bracket for the Infinity

I recovered material from an older Thermaltake heatsink and combined it with those parts of the original Infinity mounting kit and the new back plate and collection of screws and bolts.

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Lets start the build:

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With the Thermaltake clips in place too the whole construction has less tendency to bend under pressure:

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This provides a very strong and solid mount of the Scythe Infinity on the E6600 CPU. Temperatures however were again on par with those first got from the standard configuration. Let’s see how we can improve this.

Lapping the base

The base of the Infinity is quite smooth to begin with but worth to take a look at, here’s the base all flat and shiny.

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Reinstalled the Infinity, performance still not much better… on to:

Fin bending

Similar to the fins on the Thermalright Ultra-120 I started bending the fins of the Infinity with help of these 2 metal bars:

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After 1.5 hours I ended up with this wavy construction:

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More is better, next up, installing 2 fans ->

Comment from Rutar @ 2007/05/08

What is the difference the thermal paste mess made?

Comment from jmke @ 2007/05/08

on the Infinity, minimal at best with slightly better contact between base and heatpipes, on the Tuniq more substantial as the heat pipes are soldered only to the top of the base not the top plate;

Comment from Sidney @ 2007/05/08

I assume using solder (silver solder) to fill the gaps will be easier and better heat transfer; good thinking on his part

Comment from Rutar @ 2007/05/08

I think it would be possible to insert the base in a mold and fill it with liquid tin so you end up with the heatpipes being inside a complete tin block

Comment from jmke @ 2007/05/08

that's the next step, good suggestion, solder would be more conductive than thermal goop?

Comment from Rutar @ 2007/05/08

Quote:

Originally Posted by jmke

that's the next step, good suggestion, solder would be more conductive than thermal goop?

at least, less messy and it wouldn't trap dust

Comment from Sidney @ 2007/05/08

http://www.dansdata.com/goop.htm

I'd say silver solder
http://www.engineeringtoolbox.com/th...ity-d_429.html

Comment from Massman @ 2007/05/08

Awesome article

Comment from geoffrey @ 2007/05/08

Nice article (y)

Comment from wutske @ 2007/05/08

nice articles, but the thermal goop isnt' going to help the way you usu it. It only transfers heat when it's a very thin layer. The more goop you use, the less conductive it gets until you reach a point where you could say it start isolating rather than conducting ...

Comment from Tarantula @ 2007/05/10

I feel like it isn't exactly a fair comparison between the modded infinity and the unmodded one.

there should've been used 2 fans for the unmodded one as well

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