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235 with Electrical Fan

Discussion in 'The Hokey Ass Message Board' started by 54LedSled, Feb 25, 2013.

  1. 54LedSled
    Joined: Mar 11, 2011
    Posts: 362

    54LedSled
    Member

    I am planning on adding a electrical fan to my radiator (54' 235 motor) and run it on a manual switch. Anyone done this and have any pointers on a good fan and size and how you hooked it up? I know the factory belt driven fan is a puller...so should I use a pusher? <!--POLLS--><!--FILES--><!--SIGNATURE-->
     
  2. Why would you want to use a electric fan? HRP
     
  3. 54LedSled
    Joined: Mar 11, 2011
    Posts: 362

    54LedSled
    Member

    Hey Hotrod, I would be using it in addition to my stock 235 fan. Come summer time..it's gonna be hot here in south Tejas!
     
  4. Do you still have the original 4 blade fan? HRP
     

  5. 54LedSled
    Joined: Mar 11, 2011
    Posts: 362

    54LedSled
    Member

    Yes Sir..
     
  6. tommy
    Joined: Mar 3, 2001
    Posts: 14,757

    tommy
    Member Emeritus

    yeah it just started getting hot in Texas. It never got hot in Texas before global warming.:D:rolleyes:
     
  7. Try upgrading to a bigger steel bladed fan and you won't need a electric fan.HRP

    [​IMG]
     
  8. vicksrods
    Joined: Nov 13, 2007
    Posts: 153

    vicksrods
    Member

    cant beat a fixed blade steel fan.....
     
  9. need louvers ?
    Joined: Nov 20, 2008
    Posts: 12,906

    need louvers ?
    Member

    Don't use an electric. Putting one on as an auxilery type fan generally blocks more radiator core than the fan generates cooling capacity. I have yet to find ANY mnufacturer of electric fan that will make an entire summer in Phoenix.

    If I were in your shoes, I would find a six or seven bladed fan with a fan clutch from a late model and build a fan shroud. Much more consructive use of your time.
     
  10. 54LedSled
    Joined: Mar 11, 2011
    Posts: 362

    54LedSled
    Member

    My only worry with an alternate fixed blade fan is room, even having the short water pump, my factory fixed blade is right up on my radiator. I may have a couple centimeters of room if that. A homemade fan shroud does sound like a good idea. My engine only starts to get hot when I am in stop and go traffic, idling a lot. there's just not enough air flow to cool it. This is when I would switch on an external fan to help with air flow.
     
  11. jcmarz
    Joined: Jan 10, 2010
    Posts: 4,633

    jcmarz
    Member
    from Chino, Ca

    It may be that your motor has alot of build up in the water jackets. Have your entire cooling system flushed then refill with coolant.
     
  12. roundvalley
    Joined: Apr 10, 2005
    Posts: 1,774

    roundvalley
    Member

    What side of the radiator do you want to put the fan on??
     
  13. What temperature thermostat do you have? My 216 is a 160 degree thermostat as from the factory. I have never had a overheating problem with a 4 blade steel fan and a 160 degree in 100 degree plus Georgia summers, with no shroud never gets above 180.
     
  14. 54LedSled
    Joined: Mar 11, 2011
    Posts: 362

    54LedSled
    Member

    The front side...facing the grill.
     
  15. 54LedSled
    Joined: Mar 11, 2011
    Posts: 362

    54LedSled
    Member

    I have an aftermarjket 3 core aluminum radiator...brand new...just replaced all the coolant about 3 months ago.
     
  16. 54LedSled
    Joined: Mar 11, 2011
    Posts: 362

    54LedSled
    Member

    Not sure, how can I tell what I have?
     
  17. HEATHEN
    Joined: Nov 22, 2005
    Posts: 7,591

    HEATHEN
    Member
    from SIDNEY, NY

    If you're lucky, it will be stamped.
     
  18. roundvalley
    Joined: Apr 10, 2005
    Posts: 1,774

    roundvalley
    Member

    How hot does it get when in traffic?? Try what HRP says. Electric fan in front of the radiator does not work that well. Can you move the radiator forward a small amount if you need clearance? I would not use a flex blade because I have seen more than one of them go into the radiator. 1" between fan and radiator should work well. Not sure why changing thermostat will help. Speedway has those fans for a reasonable price.
     
  19. Shroud. And remember, with a pressurised system, you have not overheated until at least 220ºF. Running less than a 195ºF thermostat is slowly killing your engine.

    No, wait, all the OEM factories have just announced that running over 160º will affect your manhood (or something like that), best to listen to the undereducated crowd (this may be satire. Or sarcasm.)

    Cosmo
     
  20. KoolKat-57
    Joined: Feb 22, 2010
    Posts: 3,036

    KoolKat-57
    Member
    from Dublin, OH

    Are you sure the gauge is accurate?
    a friend of mine chased an overheating problem like you described, and it turned out that the gauge was off by like 20 degrees on the high end!
    I would check the coolant temperature with a good and accurate digital gauge so you know for sure that you are overheating.
    Run the car with the cap off and check in the radiator with the gauge after the thermostat opens and the temperature is up.
    KK
     
  21. lht
    Joined: Jan 18, 2013
    Posts: 243

    lht
    Member

    i run a mech fan runs cool but in traffic sittin still for more than 15 min with a/c on it go's up to 210 put two electric fans on when in traffic 175 all day long and i did time heat up time before and after installing electric fans not running electric fans no difference at all you might try and see if they have a high volume water pump for your rig or 7 blade hayden fan bigger pulleys? you could also try runnin a restrictor washer instead of a thermostat
     

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