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Thread: 04 truck Efan problem using pins 33 and 42

  1. #21
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    I ended up making my own fan shroud, bought some summit efans and made my own harness. I bought my sockets and relays from partsexpress. The summit fans don't pull that many amps, so I am only running 30 amp fuses and relays. The only problem was trying to roll beads into 18 gauge sheet metal by myself, they are not as straight as I would like, but oh well.
    I did this all for ~$180.





  2. #22
    Lifetime Member Chevy366's Avatar
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    Very nice job BlackGMC .
    And it looks as if you did your own CAI tube as well .
    2005 1500 HD , Custom OS3 SD tune .
    2006 Trailblazer
    Dinosaurs and Plants gave their lives so that we may drive , long live fossil fuel .

  3. #23
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    Quote Originally Posted by tunedbyGM
    Very nice job BlackGMC .
    And it looks as if you did your own CAI tube as well .
    Thanks and yes I made the lid out of fiberglass and the tube out of steel, wrapped in header wrap then fiberglassed over that too.





  4. #24
    Lifetime Member Chevy366's Avatar
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    Man , very inventive , and talented .
    2005 1500 HD , Custom OS3 SD tune .
    2006 Trailblazer
    Dinosaurs and Plants gave their lives so that we may drive , long live fossil fuel .

  5. #25
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    Quote Originally Posted by tunedbyGM
    Man , very inventive , and talented .
    Thanks,

  6. #26
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    Quote Originally Posted by phat_bastard
    BlackGMC: Very slick fabrication work. I'm planning doing something similar for my 4.3L S-10. I'm guessing you have a Flex-A-Lite 114 and 116 there?

    Have you noticed any difference in speed between the two when running in series? I've read posts that some ppl have tried the series / parallel and claim that both fans don't necessarily start and / or run at the same time / speed.

    Also, did the little plastic screw bosses come with your fans or did you have to order them?
    The fans I purchased were summit brand fans 12" and 14", they were the cheapest and lowest amp draw.

    I am not sure what your asking in regards too

    "Have you noticed any difference in speed between the two when running in series? I've read posts that some ppl have tried the series / parallel and claim that both fans don't necessarily start and / or run at the same time / speed."

    The plastic screw bosses can with the fans.

  7. #27
    Joe (Moderator) joecar's Avatar
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    Nice work...

  8. #28
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    Relays at right, fuse block at top left, power leads at center. Looks like a mess but its all the other OE wiring that makes it look crappy.

    Wheres the wires now???????????? GONE!!
    -Jared

    EFILive-Dynatech-Corsa-AEM

  9. #29
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    BlackGMC - Nice work!

  10. #30
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    Quote Originally Posted by phat_bastard
    I was just curious if they both seem to turn at approximately the same speed when on low. Of course that question makes the assumption that you have them wired in series for low speed.
    They seem to run at the same speed on the low settting, and yes for the low speed trigger they are wired in series.

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