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Electric fans

Discussion in 'General Chevy & GM Tech Questions' started by bkrhoades, Apr 12, 2009.

  1. bkrhoades

    bkrhoades New Member

    My last new p-u was a 2003 silverado. I noticed on my 09 that it has electric cooling fans. When did they change over to the e-fans?
  2. vncj96

    vncj96 New Member 1000 Posts

    Less strain on the engine, better cooling and gives more power and MPG
  3. blansho

    blansho New Member

    i tried to change the electric fans from a 2006 silverado but the radiator of the 2006 is larger
  4. 5speedsilverado

    5speedsilverado New Member 1000 Posts

    why not try the hole radiator?


    btw i think it was 06 the did the electric fans, could be an explanation why the re-did the grill and hood?
  5. 97chevz71

    97chevz71 New Member ROTM Winner

    They change to dual electric fans when they came out with the new modle in 2007. It give better hp and better mpg. And probably is less expensive to pu in.
  6. 5speedsilverado

    5speedsilverado New Member 1000 Posts

    no they didn't, my truck has dual electric fans and it came that way from the factory
  7. Crawdaddy

    Crawdaddy Moderator Staff Member Platinum Contributor 1000 Posts

    It's been up for debate for some time whether it really gives more power and mpg. While it does take the strain off the crank, it's adding it back on in the form of additional load on the alternator, which then has t pull more power from the crank. However, Collinsperformance wrote a GREAT write-up on how to convert over to a Ford Taurus fan, which moves the most air than any other factory or aftermarket fan available. Here's the link to his write-up: http://www.gmtruckclub.com/forum/showthread.php?t=6800

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