Not too happy with my fans.....

Heating / Cooling / AC

  1. Demonracer

    Demonracer 71 Demon 00 Ram 16 Chrysler 300S 05 Caravan FABO Gold Member

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    The newer electric fans with the curved blades move more are than the older straight pitch blades. I'm in Texas also, & temps at the strip can be brutal. I changed my old straight pitched blade fan to one of the newer curved blade fan & it did make a difference in cooling my car down on the return road & in between rounds. I'm not saying that this will solve the problem on a street car, I'm just speaking of my experience. If I had a street car, I would run a 7 blade factory fan with a thermostatic clutch, but that's just my opinion.
     
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    • Peter Bates

      Peter Bates 1973 Cuda owner for 36yrs

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      I have the rad from radiator sullly house they use dual 3000cfm fans. I have them kicking in at 190f with my thermostat opening at 180f. Have not seen 200f yet but it's been a mild summer here in Ohio. You. An add in a timed relay to keep the fan on for 30-60!seconds once you turn the motor off of need be.

      If your rad is running at 200 then so is your tranny or higher.
       
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      • AJ/FormS

        AJ/FormS 68 B'cuda fb, Form S clone ... 367/A833/3.55s FABO Gold Member

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        I know how big a 5 horsepower 110/220vac single phase electric motor is, and also how flipping heavy it is.
        I gotta wonder about a 12 volt DC one. Remind me again how many hp the oem Mopar 1970 electric starter was rated at. Wasn't it 1.8hp? and wasn't it about as heavy as a cylinder head,lol.Well I guess the actual motor part was only half a head's-worth. And it only turned about 400rpm under load, but it spins up up pretty good without. I wonder how big a fan that thing could power up? Hmmmmmmm
        Lessee where can I fit that monster in. Oh I know; off to the side with a belt.... wait ......what? I think that's been done before,lol.
        The question was posed, does the fan care what drives it? Answer is no. Now go hook that fractional hp electric motor to an all steel,hi-attack,7 blade fan, and take your car for a rip around town, and see if it can keep up,if it can even turn it,lol.

        The electric fan works when there is enough time between hi-outputs for the rad to absorb the heat, and enough time for the mini motor to catch up. It works in drag-racing because the cooling system sees 12 or 13 seconds of massive heat going into a cold system,during which time ram air is doing most of the work, then has maybe 20/30 minutes between rounds to get rid of the heat. No problem right; it's just a time delay device.
        But in traffic, this is a continuous input of heat, so it takes a continuous effort from the fan, and if she ain't up to it, well,then maybe you lose an engine when detonation sets in. Or you pull over and twiddle your thumbs for 20/30 minutes,circumstances permitting.
        I'm not willing to suffer that kind of nonsense.
        And there is just no good reason for performance street car to not have a mechanical belt-driven fan. Nor for a 430 or less hp car like mine, to have a monster rad in it. ( I have no experience with more hp). As soon as you have a proper functioning cooling system, any old rad that passes air, passes water, and still has the fins attached; will do.
        And that's AJs opinion.
         
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        • kursplat

          kursplat FABO Gold Member FABO Gold Member

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          i love all this fan talk like every other part of every other cooling system is equivalent and just the fan matters :rolleyes:
           
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          • 1969383S

            1969383S FABO Gold Member FABO Gold Member

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            Mine never did either!

            Guess that’s why I went back to a costly original radiator and shroud and good old 7 blade original fan. Car runs cool and that makes me smile!

            A couple HP gain no longer makes me smile!
             
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            • loganscuda

              loganscuda DON’T reMember

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              Will try to get pics tonight relatives cars are braking down all over the place and they think I’m there personal mechanic.
               
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              • loganscuda

                loganscuda DON’T reMember

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                694FE611-6FAC-44FB-9E9D-F3EB518EAF89.jpeg 2CF4D330-224A-4CD9-8920-E68B9A589475.jpeg 30A19DC2-F80B-4C8F-A21D-232C833AA804.jpeg
                 
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                • loganscuda

                  loganscuda DON’T reMember

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                  Sorry on quality last picture is measured from left end of shroud to left side of fan motor is 9". 1st pic is from end fan to front support. after looking at pics here they do not look very helpful. Let me know what you need I will try again with more light.
                   
                  Last edited: Nov 6, 2018
                • MrJLR

                  MrJLR Built, not bought FABO Gold Member

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                  New Dorman fan showed up yesterday!

                  Jeff
                   
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                  • loganscuda

                    loganscuda DON’T reMember

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                    let us know how it works out.
                     
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                    • MrJLR

                      MrJLR Built, not bought FABO Gold Member

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                      Lol...someone disagreed that it showed up...wow
                       
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                      • 318willrun

                        318willrun Stomper 4x4... we kept energizer in business

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                        LOL... yeah, I've been getting a lot of "disagrees" lately... LOL
                         
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                        • loganscuda

                          loganscuda DON’T reMember

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                          Haha I think it’s my Dr. you know-Dr Sausage fingers. He is on :rofl:his mobile and the buttons are close together.
                           
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                          • charles mill

                            charles mill Wildman68 FABO Gold Member

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                            sorry saw pic make sure air flow in is great. then rad is good (flowing) belts are running pump correct direction pump is good hi flow as to stock u still can run fans ck temp sender against actual temp. not hard . but a 6 opening in rad support to a v8 needs to b opened. all mopars 8 any body cool good 6 to8 some work needs 2 b cked. radiator 4 -1 -3 or 4 core . clean simple not Hi tech or $
                             
                          • chrgdrt

                            chrgdrt Well-Known Member

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                            Installed yet?
                             
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                            • famous bob

                              famous bob mopar misfit

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                              I ggogled " sulley house" fans and got house fans, what up ?
                               
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                              • MrJLR

                                MrJLR Built, not bought FABO Gold Member

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                                No....I've been so dang busy. ...this time of year and all....
                                Soon....I swear!

                                Jeff
                                 
                              • loganscuda

                                loganscuda DON’T reMember

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                                You Santa Clause?
                                 
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                                • moparmat2000

                                  moparmat2000 FABO Gold Member FABO Gold Member

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                                  set it up with a thermostat wired fused batt hot. Then it can cycle on and off when the engine is shut down as well as when you are driving. I have a flexalite black magic fan in my pickup for 20 years and over 100K miles on it. Has a thermostatic switch, kicks on when needed, has an A/C clutch override built in, and will cycle on after truck is shut off as well.
                                   
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