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Replacement fan for V6 ?

Discussion in 'Early CJ5 and CJ6 Tech' started by Buildflycrash, Dec 31, 2007.

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  1. Dec 31, 2007
    Buildflycrash

    Buildflycrash More or Less in Line. 2024 Sponsor 2022 Sponsor

    Gulf Breeze FL...
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    Any got a good part # for a lighter more efficent fan for my Dauntless?
    Yes, I did search. Read posts for an hour the other day.
     
    Buildflycrash, Dec 31, 2007
    #1
  2. Dec 31, 2007
    Huntman

    Huntman HIGH ROLLER

    Apex, NC
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    have you thought about going electric?
     
    Huntman, Dec 31, 2007
    #2
  3. Dec 31, 2007
    Mike C

    Mike C Member

    Austin, TX
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    Is it direct drive or clutched? If direct drive, get a thermal fan clutch for it. IMO, lightweight fans are pretty much worthless. Stick with an OEM fan with a thermal clutch. That way it only engages when it is needed. Dyno tests show the validity of this.
     
    Mike C, Dec 31, 2007
    #3
  4. Dec 31, 2007
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    I don't think there is enough room on a :v6: in stock form. If there was, that's what I'd have :)
     
    Patrick, Dec 31, 2007
    #4
  5. Dec 31, 2007
    Mike C

    Mike C Member

    Austin, TX
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    What's between the fan and the water pump? Either a spacer or clutch is the norm, but you never know...The V6 should be shorter than the F head motor leaving a little extra room. Got a pic?
     
    Mike C, Dec 31, 2007
    #5
  6. Dec 31, 2007
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
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    Nothing between the fan and water pump.

    Patrick is correct there's (almost) no room there...
     
    sparky, Dec 31, 2007
    #6
  7. Dec 31, 2007
    Mike C

    Mike C Member

    Austin, TX
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    What's the bolt pattern on the fan and how many blades does it have?
     
    Mike C, Dec 31, 2007
    #7
  8. Dec 31, 2007
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
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    4 bolts seven blades, there's a pic of one that rotates in the banners or you can check the :v6: pictures in the picture bank section of our gallery.
     
    sparky, Dec 31, 2007
    #8
  9. Dec 31, 2007
    Buildflycrash

    Buildflycrash More or Less in Line. 2024 Sponsor 2022 Sponsor

    Gulf Breeze FL...
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    Five blades on my fan. Only about 2 1/2" between pump and radiator. I picked up a electric fan at the junk yard but its to deep.

    Is everyone using the OE fan?
     
    Buildflycrash, Dec 31, 2007
    #9
  10. Jan 1, 2008
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    My factory fan has (I think) 5 blades. Like I said, I'd love to put a fan clutch on the Jeep..
     
    Patrick, Jan 1, 2008
    #10
  11. Jan 1, 2008
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
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    Guess it is five, I knew it was uneven.
     
    sparky, Jan 1, 2008
    #11
  12. Jan 1, 2008
    grannyscj

    grannyscj Headed to the Yukon

    Anchorage, AK
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    Why does Pete have a 4 blade fan? CA emissions maybe?:?:v6:
     
    grannyscj, Jan 1, 2008
    #12
  13. Jan 1, 2008
    Mudweiserjeep

    Mudweiserjeep JEEP: Bouncy and Fun

    tipp city, ohio
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    my stock one has 4 blades.

    [​IMG]
     
    Last edited: Jan 1, 2008
    Mudweiserjeep, Jan 1, 2008
    #13
  14. Jan 1, 2008
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
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    We had a discussion recently about the fan blades being uneven due to the harmonics that an even bladed fan would create.

    Didn't realize there were four-blade fans that were put on the :v6:.
     
    sparky, Jan 1, 2008
    #14
  15. Jan 1, 2008
    Mudweiserjeep

    Mudweiserjeep JEEP: Bouncy and Fun

    tipp city, ohio
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    I had a 1971 that had a 4 blade.
    wasnt there a member here that had a blade beak off and shoot though the hood......I think that was a 4 blade V6?
     
    Mudweiserjeep, Jan 1, 2008
    #15
  16. Jan 1, 2008
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    I just looked at mine. 5 blades. Unevenly spaced...
     
    Patrick, Jan 1, 2008
    #16
  17. Jan 1, 2008
    Mcruff

    Mcruff Earlycj5 Machinist

    Albertville, AL
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    Mine had a 4 blade from the factory with a 1/2" cast spacer behind it. Firefighter mike has it on his now. Mine was all factory.
    I think the 5 blade was the heavy duty unit, it may also have been used on the smaller radiators like Patricks to aid in cooling.
    I run a flex fan now.

    Mine looked just like Mudweiser's jeep, and I doubt you could break that thing by cramming it thru 5 radiators, its made out of steel thats just as thick as the crossmember.
     
    Last edited: Jan 1, 2008
    Mcruff, Jan 1, 2008
    #17
  18. Jan 1, 2008
    Huntman

    Huntman HIGH ROLLER

    Apex, NC
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    mine has 4 and its factory with the cast spacer as well.
     
    Huntman, Jan 1, 2008
    #18
  19. Jan 1, 2008
    Mike C

    Mike C Member

    Austin, TX
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    I'm going to look over my buddies '67 Tuxedo Park this weekend and contemplate what might work. Have any of you guys looked at running the grill from an intermediate CJ5? They mount the radiator really far forward between the headlights. Should be a bolt on. You would be able to run a much larger radiator and pretty much any fan combination you wanted.

    I contemplated using one on my A1, but I want to keep the flat bottomed blackout light openings in the grill and recessed headlamps. In addition, mine is an early model with the hinged grill.
     
    Mike C, Jan 1, 2008
    #19
  20. Jan 1, 2008
    Buildflycrash

    Buildflycrash More or Less in Line. 2024 Sponsor 2022 Sponsor

    Gulf Breeze FL...
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    Tell us about this one.
    Your the first so far who has somthing beside OE.
    Seem to work better than the big old steel thing?
    Where'd ya get it? How Much $$ ?
    Got a part # ?
    Photo would be good.
     
    Buildflycrash, Jan 1, 2008
    #20
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