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Fan Shroud interchangebility

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  • #16
    I had to go to the 2-row crank pulley and 2-row water pump pulley when I added a power steering pump, which required moving the alternator on the diesel 2.25. Since the standard 4-blade fan doesn't fit the 2-row pulley I had to upgrade to the 8-blade fan.

    Turns out I didn't need the 2-row crank pulley since my original layout for the accessories didn't work. What I settled on was: the alternator is driven off the water pump pulley given I could only figure out one set of mounting locations for those. The crank pulley uses one row to run the PS pump and water pump, and the second row of the water pump pulley to run the alternator.

    So long story short, I already have the 8-blade fan installed and am thinking of adding the shroud.

    (Sorry for the thread-jacking; was just looking to confirm the standard shroud would work with the 8-blade fan.)
    Miles
    1965 Series 2a 109 diesel soft top/pickup/3-door, Limestone

    Jesus rides beside me
    But he never buys any smokes
    --The Replacements, Can't Hardly Wait

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    • #17
      Bob and Mark, this is why I love this forum. Where else would I learn this stuff?

      The low speed/idling cooling makes sense to me now. As does the clutch fan setup.

      I read somewhere on the internet, so it must be true, that the four bladed fan uses 5 horse power to run at high engine speeds. If that's even close to true I can see the value in a viscous fan or even an electric conversion.
      ---------------------------------------------------
      '73 S3 88"
      '87 110 garden shed

      Comment


      • #18
        MilesB, I'm going to guess that the fan shroud will have more positive effect on your cooling than the difference between 4 and 8 fan blades.
        Post pics!
        ---------------------------------------------------
        '73 S3 88"
        '87 110 garden shed

        Comment


        • #19

          Yep, I agree.

          Photo of the 2-row pulleys. The 8-blade fan does not attach to the 4 bolts in the face of the water pump pulley, but rather bolts into the holes on the side of the pulley.

          Miles
          1965 Series 2a 109 diesel soft top/pickup/3-door, Limestone

          Jesus rides beside me
          But he never buys any smokes
          --The Replacements, Can't Hardly Wait

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          • #20
            and with the 8-blade fan installed:
            Miles
            1965 Series 2a 109 diesel soft top/pickup/3-door, Limestone

            Jesus rides beside me
            But he never buys any smokes
            --The Replacements, Can't Hardly Wait

            Comment


            • #21
              Miles, your pics didn't load right. I'm afraid I don't know how to help you with that. Check one of the "sticky" comments about uploading pics.
              ---------------------------------------------------
              '73 S3 88"
              '87 110 garden shed

              Comment


              • #22
                I've stripped those sideways threads on two double groove pullies and had to locktite the modified helicoils for the repair.

                Bob

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                • #23
                  Originally posted by RustCollector View Post
                  Miles, your pics didn't load right. I'm afraid I don't know how to help you with that. Check one of the "sticky" comments about uploading pics.
                  That's odd - they are hosted on a web site I have, not uploaded to this forum. They should display on browser - I don't have any dirty tricks on the web site like ads, spyware, trackers, etc. It's just a jpg being served up by an http server - as old school as it gets.

                  Is anyone else having trouble seeing them?
                  Miles
                  1965 Series 2a 109 diesel soft top/pickup/3-door, Limestone

                  Jesus rides beside me
                  But he never buys any smokes
                  --The Replacements, Can't Hardly Wait

                  Comment


                  • #24
                    Originally posted by MilesBFree View Post

                    That's odd - they are hosted on a web site I have, not uploaded to this forum. They should display on browser - I don't have any dirty tricks on the web site like ads, spyware, trackers, etc. It's just a jpg being served up by an http server - as old school as it gets.

                    Is anyone else having trouble seeing them?
                    I'm not seeing them either. here's a screenshot;

                    Click image for larger version

Name:	Screenshot (18).png
Views:	56
Size:	76.5 KB
ID:	202658
                    gene
                    1960 109 w/ 200TDI
                    rebuild blog; http://poppageno.blogspot.com/

                    You don't see faith healers working in hospitals for the same reason you don't see psychics winning the lottery.

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                    • #25
                      They show up for me.

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                      • #26
                        I guess I let my subscription lapse.
                        ---------------------------------------------------
                        '73 S3 88"
                        '87 110 garden shed

                        Comment


                        • #27
                          here are direct links to the photos; i am wondering if there is a bug in the way the GnR forum code works that is not processing the URL correctly for some folks

                          http://www.fd3s.net/Series_power_ste...-%20final.jpeg

                          http://www.fd3s.net/Series_power_ste...cket%2024.jpeg
                          Miles
                          1965 Series 2a 109 diesel soft top/pickup/3-door, Limestone

                          Jesus rides beside me
                          But he never buys any smokes
                          --The Replacements, Can't Hardly Wait

                          Comment


                          • #28
                            Thanks for sharing those links. Boy, that's some nice work you've done there!

                            Yeah, a fan shroud will help your radiator air flow a ton.
                            ---------------------------------------------------
                            '73 S3 88"
                            '87 110 garden shed

                            Comment

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