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Engine fan pushing air thru grill

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  • Engine fan pushing air thru grill

    The restomod of my '65 coupe almost complete and I discovered the water pump flex fan is pushing air thru the grill when the engine is running. Its installed correctly and looks like is should pull air toward the engine. Not sure Ive ever seen this situation before. Im using a 15.25" Derale stainless flex fan. Ideas? Suggestions?
    Mark C ~
    M&M member #332
    1965 coupe - owned since '79
    1970 Mach 1 T-5 (export Mustang) - owned since '86
    http://mustangsandmore.com/memberpages/70MachT5.html
    "My '65 coupe is going back together"
    /___ ___ ___ \
    (]]]_ _ O _ __[[[)
    \_ o _ __ _ o _/
    |___| ...... |___|

  • #2
    Either you have a reverse fan or water pump. Are you running a serpentine belt? Looking from the front, the fan should turn clockwise if it’s standard rotation, counter clockwise if it’s a reverse rotation.
    ----1999 F150 XLT Lariat Super Cab 4X4 5.4----
    -----1947 Lincoln Zephyr Coupe 5.0-----
    -----2005 Expedition Eddie Bauer 5.4----
    " Sometimes you fix the car, sometimes the car fixes you" Steve L.

    "Do not let anyone tell you it cannot be done. No challenge can match the heart and fight and spirit of America". President Donald J. Trump

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    • #3
      Originally posted by ford84stepside View Post
      Either you have a reverse fan or water pump. Are you running a serpentine belt? Looking from the front, the fan should turn clockwise if it’s standard rotation, counter clockwise if it’s a reverse rotation.
      Good points. Engine is a 408W with serp belt. The fan blades curve toward the engine. Im going to have to do some research on how Ive got the serp belt installed.
      Mark C ~
      M&M member #332
      1965 coupe - owned since '79
      1970 Mach 1 T-5 (export Mustang) - owned since '86
      http://mustangsandmore.com/memberpages/70MachT5.html
      "My '65 coupe is going back together"
      /___ ___ ___ \
      (]]]_ _ O _ __[[[)
      \_ o _ __ _ o _/
      |___| ...... |___|

      Comment


      • #4
        I would post a pic of the difference in fan b
        lades but my main pc with all my pics took a dump. Hoping it's just the power supply.
        ----1999 F150 XLT Lariat Super Cab 4X4 5.4----
        -----1947 Lincoln Zephyr Coupe 5.0-----
        -----2005 Expedition Eddie Bauer 5.4----
        " Sometimes you fix the car, sometimes the car fixes you" Steve L.

        "Do not let anyone tell you it cannot be done. No challenge can match the heart and fight and spirit of America". President Donald J. Trump

        Comment


        • #5
          I just remembered this morning that I had this pic on flickr. The white fan is reverse rotation, the black is standard rotation. Note which way the blades bend.

          DSCF0831 by Bobby Atkins, on Flickr
          ----1999 F150 XLT Lariat Super Cab 4X4 5.4----
          -----1947 Lincoln Zephyr Coupe 5.0-----
          -----2005 Expedition Eddie Bauer 5.4----
          " Sometimes you fix the car, sometimes the car fixes you" Steve L.

          "Do not let anyone tell you it cannot be done. No challenge can match the heart and fight and spirit of America". President Donald J. Trump

          Comment


          • #6
            Originally posted by 70MachT-5 View Post
            Good points. Engine is a 408W with serp belt. The fan blades curve toward the engine. Im going to have to do some research on how Ive got the serp belt installed.
            Have you been able to determine what is going on, Mark?

            Ryan

            Quality means doing it right when no one is looking. - Henry Ford

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