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Fan "Spacer"????

Discussion in '40- & 55-Series Tech' started by Degnol, Jan 10, 2004.

  1. Degnol

    Degnol

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    I've got the cruiser(FJ40) torn down for a bunch of reasons. The problem is that I replaced the waterpump and I'm switching from a metal 4 blade fan with a single groove pulley to a 6 bladed fan with a 2 groove pulley. Problem is, the new fan hits the harmonic balancer. If the fans was spaced toward the radiator about 1", no problem. Now I know there is a long-shaft and a short-shaft waterpump...well, I have the short shaft. I read a post about a fan spacer which would go between the pulley and the fan. The pulley actually lines up with the grooves on the balancer and the other pulleys.
    So, my question is...a longer snout on the pump would knock the pulley out of alignment, so all I can do IS use a spacer, right?
    So how did MR. Toyota do this?
    BTW the motor is a '74 "F and a half", truck is a '66.
    Thanks,
    Ed Long ??? ???
     
  2. Degnol

    Degnol

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    OK, another question, does spacing the fan out there an inch create any excessive wear on the bearing? Looks like that is my only solution.
    Ed
     
  3. Rice

    Rice SILVER Star

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    Ed,
    You should be fine placing a 1" spacer behind the fan. Simply be sure everything is torqued well and balanced to prevent vibration. The only extra wear would come less from the fact that you were using a spacer and more from using a bigger fan.
     
  4. hammerhead

    hammerhead

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    I run a 1" spacer with no trouble. Gave me the clearance needed for pocket change. Easy install too.
     
  5. theo

    theo

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    I'm using a 3" spacer I got from old Mr. Cadillac in the salvage yard. No problems yet. :)
     
  6. fj40mayo

    fj40mayo

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    I've got a 1 1/2" spacer on my fan. Now if I could only get it running. :doh:
     
  7. Degnol

    Degnol

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    Ok, outside of Mr. Cadillac, where did you get them? O'Reilly has one, but it would take a bunch of grinding to get it to work. Guess I'll try NAPA.
    The 6 blade plastic(nylon) fan blade is actually lighter than my old 4 blade metal and I think, more balanced.
    Thanks, all.
    Ed :)
     
  8. dinkleberry

    dinkleberry

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    Do not grind a spacer to make it fit. Will F-up the balance.
     
  9. Degnol

    Degnol

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    I've found a bunch, but most have a 5/8" arbor hole in the center...not big enough for the waterpump. There is an "X" style that has no provision for any center relief, that's the one I took back. I figured that by the time I wollered it out, it WOULD be out of balance.
    HEP ME
    Ed ???
     
  10. AZFJ

    AZFJ

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    ..I got a 1" spacer from Mudraks!!..Great guy..You could also call spector..I think they have them..But shipping was more than the part..I think they wanted $25 or 3$0 shipped for it..I went to Mudrack..8 bucks shipped!
     
  11. Degnol

    Degnol

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    Can you order online? If so, do you have a website?
    Thanks to all.
    Ed :)