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Is the fan pushing better than pulling on TRUE style coolers?

post #1 of 11
Thread Starter 
I just realized something after having owned a TRUE for approximately 2 years, lots of you guys seem to have the fan on the push side of cpu coolers similar to the TRUE.

I have the fan on the pull side, fairly close to the outtake, as I think I remember getting that recommended at the time I mounted it first.

Before messing with it again after recently having reapplied TIM, it would be nice to get some feedback on this (the bracket makes the cooler slide if you even look at it too hard). Thinking about it, I find it logical that putting the fan on the push side could be a good thing, as it gains more access to the air from the front intake, which is much farther away.

Humm, maybe I could earn a few extra celcius.
    
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post #2 of 11
Why not do push/pull?
    
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post #3 of 11
push > pull
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post #4 of 11
Thread Starter 
Quote:
Originally Posted by Kratthew D. Kraids View Post
Why not do push/pull?
Frankly because many seem to feel that dual fans doesnt make such a big difference, and that I want to minimize the # of fans in my box (already too many imo). Anyone got experiences with testing out push and pull seperately?
    
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post #5 of 11
Push worked better for me, especially with 38mm fans.
post #6 of 11
I have had better results with my fan on a pull configuration. There was a review done on different setups for the TRUE and a few other heatsinks. Pull was better by a 2-3C. I'll dry to dig it up.

Edit: Also thicker fans wills create more static pressure for a push configuration. So that would be better than a standard fan in pull.
    
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post #7 of 11
Fans generally push hot air away from the cooler or radiator better than pull.
    
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post #8 of 11
How about a pic?

I'd say this: I've seen a mix of reports. So I would do what I always do: test. Record your ambient temps then put a full load on and see what you get for push and pull. I think you're right about push-pull - seems to make a difference with low cfm/low static pressure fans. See item 1 in my sig.

As usual, I also recommend removing the rear grill and rear fan before you test your cooling setup. Once you have decided on push or pull, then test with rear fan off or on to see if it makes a difference. Even if there is no difference in cooling, one less fan means a bit less noise.
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post #9 of 11
Thread Starter 
Ok. Great advice here Totoro and you other guys
    
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post #10 of 11
Quote:
Originally Posted by Chris Ihao View Post
Ok. Great advice here Totoro and you other guys
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