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Thread: Intercooler fan yes or no ?

  1. #11
    Patrol God threedogs's Avatar
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    Quote Originally Posted by Wizard52 View Post
    In theory a fan should help at all speeds if set up properly as standard set up does allow air to flow through all the intercooler as can be seen from attached photo of mine. Back half is dirty from air and dust hitting top of intercooler but front half is as clean as a whistle. Standard scoop & intercooler.
    If I saw your IC I would think only half is being used, be it the dirty side only saying that because with the ARE scoop
    there are vanes underneath to direct a pecentage of the air to the front of the IC. With the OE scoop air is forced
    only to the rear. Saying that I believe only the Dirty part of your IC is being used, so not very efficient it could be better
    The ARE web site shows how efficient your IC can get,, what with a tigged IC to fitting an ARE scoop to even fitting a fan
    Last edited by threedogs; 9th January 2017 at 09:59 AM.
    04 ST 3lt auto, not enough Mods to keep me happy, but getting there

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  3. #12
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    Quote Originally Posted by Winnie View Post
    I agree with what MB says here. In fact at highway speeds or even general road speeds, a fan is more of a hindrance than a help.
    But offroad at speeds below 40kph then fan does help a fair bit then.
    I have a fan on my cross country cooler wired to ignition so it is always running. I would forget to switch it on at low speeds if I had it on a switch, and I think it helps with heat soak when stopped at lights etc, it always has cooler outside air flowing through it so doesn't soak up as much heat from the engine.
    Yeah good point you make their winnie. It never really come to mind about the heat soak whilst sitting at the lights. Albeit a minor gain. It is still a gain.

    Sent from my GT-N7105T using Tapatalk

  4. #13
    Patrol Guru Kimbo63's Avatar
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    Have any one with a cc inter cooler tried it without the fan all together ?
    Just struggling to work out if it would be more beneficial without the fan altogether just how cool do you need the air when crawling along with next to no boost?
    98 GU ST wagon 6.5TD chev 5 speed manual dual batteries storage drawers big red air compressor 9L tank millweld front and rear bars millweld 4" snorkel 4" air box 3" tough dog suspension lift drop box and hybrid radius arms 12000Lb winch ARB front air locker Alpine MP3 player amp and a good set of speakers GME 2 way The list goes on

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    Patrol Guru gubigfish's Avatar
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    Quote Originally Posted by Kimbo63 View Post
    Have any one with a cc inter cooler tried it without the fan all together ?
    Just struggling to work out if it would be more beneficial without the fan altogether just how cool do you need the air when crawling along with next to no boost?
    I was running it without the Fan for the last 6 months or so, only just connected the fuse for the fan after christmas on my way back from Yallingup and it seemed to make a difference in the temps. Won't really know till I give it a workout on a beach how much of a difference its making.
    2004 4.2TDi GU ST Ute, 3" Exhaust, UHF, Lightforce Spotties, BFG All Terrains, Steel Winchbar, Winch, Dual Batts, CC Ultimate IC, 4" Snorkel, XLR8 Steps and Scrub bar

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    Patrol Guru Kimbo63's Avatar
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    Quote Originally Posted by gubigfish View Post
    I was running it without the Fan for the last 6 months or so, only just connected the fuse for the fan after christmas on my way back from Yallingup and it seemed to make a difference in the temps. Won't really know till I give it a workout on a beach how much of a difference its making.
    Was the fan still on the ic and just disconnected ?
    98 GU ST wagon 6.5TD chev 5 speed manual dual batteries storage drawers big red air compressor 9L tank millweld front and rear bars millweld 4" snorkel 4" air box 3" tough dog suspension lift drop box and hybrid radius arms 12000Lb winch ARB front air locker Alpine MP3 player amp and a good set of speakers GME 2 way The list goes on

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    I think I know what @Kimbo63 is getting at.
    When I looked at my intercooler with the prefixed fan on it once CC sent it to me... I thought this fan might be a physical air flow obstruction. So I too am curious how good it would perform without the fan completely .

    Sent from S5
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    Kimbo63 (11th January 2017)

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    Patrol Guru gubigfish's Avatar
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    Quote Originally Posted by Kimbo63 View Post
    Was the fan still on the ic and just disconnected ?
    Yep sure was
    2004 4.2TDi GU ST Ute, 3" Exhaust, UHF, Lightforce Spotties, BFG All Terrains, Steel Winchbar, Winch, Dual Batts, CC Ultimate IC, 4" Snorkel, XLR8 Steps and Scrub bar

  10. The Following User Says Thank You to gubigfish For This Useful Post:

    Kimbo63 (11th January 2017)

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    As I said in my previous post I have noticed no temperature difference displayed with fan on or off. However ... Am yet to do anything crawling slow speed with motor under load.

    Sent from S5
    2005 TD42TI

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    With a good after market intercooler you do not need a fan just a larger scope I have been throw this it has taken me 6years of research,a fan is good only if you driving under 30 to 40kph for long periods of time but just for a day or two I wouldent worry

  13. #20
    Patrol God threedogs's Avatar
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    so the fan is only to get the IC temps down not EGTs, what would this translate to.
    sitting in traffic what advantage would you acheive, Im lost with all this.
    struggling to see where the advantage is. Its not going to be performance
    cause your only crawling, just something else to fail imo,,lol

    just saying lol
    Last edited by threedogs; 12th January 2017 at 10:26 AM.
    04 ST 3lt auto, not enough Mods to keep me happy, but getting there

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