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Lian Li PC-70 Air Flow Case mod - Help re-routing Air / dremel and drill to make more efficient. - Page 9

post #81 of 190
Quote:
Originally Posted by dpoverlord View Post

I think my temps should be a lot lower still. I am at 80C. I am going to see what happens if I take the side panel fans and make them outtake.

On another note is there a way to cut metal without a dremel?

That bottom port I highlighted in my photo:



If I were to cut this it would technically make tri SLI more feasible. The last time I did tri SLI temps were hitting 90C since the outtake goes back into the card.

it's generally not advisable to cut that portion of the case since it's a structural part of the case. notice the 2 rivets that are in the location where you want to cut? those 2 rivets are part of what gives the expansion slots their structural integrity. the easiest solution would be to change the side panel fan to exhaust and maybe build a shroud on the side panel fan to draw air specifically from the exhaust area below the last expansion slot.
post #82 of 190
That is why I suggested drilling it into a vent. thumb.gif

But the bottom of case is so close.
  • 20.8mm PCI slot spacing.
  • 23.3mm from bottom slot to bottom of case.
  • 2.5mm more space than you now have between your video cards.
  • Drawing all the exhaust air out the side with a duct will help a lot. Duct is easily made with material like a hanging file folder is made of. Cut and fold a piece into 3 sides to fit between GPU and bottom.. and another to fit between GPU and side cover from bottom to top of fan, than across top of fan to back. This will allow fan to only draw air from the corner area of case where the GPU is exhausting as well as keep any warm GPU exhaust from mixing with case air.
  • But it does not help the amount of space allowed for GPU intake fan to draw air in.
  • Only saving grace is it will not be drawing air warmed by the other GPU.
post #83 of 190
Hmm, but there is not that much space and re-routing the hot air anywhere but straight out the case most likely will decrease flow due to added resistance. The radial fans do put out good pressure admittedly but I dunno about completely re-routing the airflow.
If you could drill a hole at the back between those two rivets and just re-route your airflow slightly through there, it probably won't matter much.
Those titans just exhaust air through the holes, not the DVI ports and such so you don't really need to cut a huge hole. Maybe a smaller one with a bit of duct tape as a little airduct will do to see if things work out.
Alas, a dremel would come in handy... we bought ours like... maybe over decade ago and its still going strong... devil.gif
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post #84 of 190
Thread Starter 
Good news!!!

I have a drill and a heat gun!


Do you think I could do this "Without" taking the motherboard out of the case?

Just hate to take it out after doing all of this rewiring lol.


What I plan to do is take a marker and a ruler and measure our where those holes are on the titans and then drill from the inside of the case out or from outside in so that the air has somewhere to go.
I feel if I move it to the bottom we might get some more air flow into the case. Thoughts?
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post #85 of 190
Quote:
Originally Posted by dpoverlord View Post

Good news!!!

I have a drill and a heat gun!


Do you think I could do this "Without" taking the motherboard out of the case?

Just hate to take it out after doing all of this rewiring lol.


What I plan to do is take a marker and a ruler and measure our where those holes are on the titans and then drill from the inside of the case out or from outside in so that the air has somewhere to go.
I feel if I move it to the bottom we might get some more air flow into the case. Thoughts?

not a good idea. aluminum shaving is conductive. so you really should remove everything before doing any kind of drilling or cutting.
post #86 of 190
Thread Starter 
So I am impatient drilled it all in f a dremel let's see if this works Drilling in the back (Click to show)

Edited by dpoverlord - 3/12/14 at 2:27pm
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post #87 of 190
Thread Starter 

Edited by dpoverlord - 3/12/14 at 2:26pm
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post #88 of 190
Thread Starter 
I don't like it. Put the card in can't do anything I am cutting it all off.
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post #89 of 190
Thread Starter 
I guess no one can doubt my commitment now





Edited by dpoverlord - 3/11/14 at 9:23pm
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post #90 of 190
well....
Quote:
Originally Posted by psyclum View Post

this is OCN so naturally when you have a perfectly good case that is REALLY OLD....



biggrin.gif

what do you mean it wont fit a 120mm or 140mm fan? biggrin.gif

welcome to OCN biggrin.gif
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