Author Topic: Electric fans  (Read 1249 times)

Rattiac

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Re: Electric fans
« Reply #15 on: June 02, 2018, 07:27:01 PM »


I made two u shaped mounts for the bottom and one for each side and used rubber to cradle my radiator

Just what I needed,  any pics ?

Im thinking of a new bottom mount (my foam blocks didn't hold up over time) and put an aluminum "L" bracket on each side with camper tape to cradle the sides.

My fan arrived today and my measurements were right on.




Woops I somehow just quoted myself. Ha ha.
« Last Edit: June 02, 2018, 07:31:04 PM by Rattiac »

madmike3434

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Re: Electric fans
« Reply #16 on: June 02, 2018, 09:33:04 PM »
I see the problem, its got a flex aluminum fan, huuuuuum, somebody was saying on here waste of $$$$

mike

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Re: Electric fans
« Reply #17 on: June 02, 2018, 09:45:24 PM »
Just throwing this out as a FYI, I have a Taurus fan in my 33 and I know a couple of folks that are happy with them.  If you want to see a post go to hell check out this one on the HAMB.  Starts out as a great tech tip for the Ford Taurus fan, then the posting is stormed because the Taurus fan is post 1964, then turns into a discussion about radial tires etc.  (exactly why we started this forum).

https://www.jalopyjournal.com/forum/threads/ford-taurus-cooling-fan-wow.486504/
33 Chevy 5 Window, 34 Chevy 3 Window, 37 Chevy 4dr sedan

madmike3434

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Re: Electric fans
« Reply #18 on: June 03, 2018, 06:34:16 AM »
I will not even go over there other than the chevy section.   The ford people get all anal about everything if its not pre whatever.

mike lynch

chopper526

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Re: Electric fans
« Reply #19 on: June 04, 2018, 06:08:19 PM »


I made two u shaped mounts for the bottom and one for each side and used rubber to cradle my radiator

Just what I needed,  any pics ?

Im thinking of a new bottom mount (my foam blocks didn't hold up over time) and put an aluminum "L" bracket on each side with camper tape to cradle the sides.

My fan arrived today and my measurements were right on.




Woops I somehow just quoted myself. Ha ha.


Not saying this is the answer for you.....but. My fan sat in the same place as yours. I didn't want to run an electric fan, so I used a zip riser. You bolt a 6 cyl. water pump to it. Below are two pictures off the internet to give you an idea. You can mount the alternator to it. I cut the mounts of mine because I mounted the alternator on the bottom. Anyway, it centered my fan and, like I said, my car  doesn't go above 180. If you want, I can snap a couple pictures of mine tomorrow. Not trying to sway you (I don't have zip riser stock ;D) just another option.
Tighten it up til it strips, then back it off a quarter turn

Rattiac

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Re: Electric fans
« Reply #20 on: June 04, 2018, 07:48:39 PM »
I asked if they have it available for my 3.8 V6,
I doubt it. ((( UPDATE-//////- not available)))
The 4.3 they do since it's a 350 minus 2 cylinders.

Already have the fan and electric is cheaper anyway. Haha, ha.  JK  ;D
Maybe I'll get to work on it soon. Getting too hot for yard work. 8)


« Last Edit: June 13, 2018, 12:14:25 AM by Rattiac »

62131

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Re: Electric fans
« Reply #21 on: June 07, 2018, 07:06:20 PM »
Here's how I mounted my radiator in my shroud

Rattiac

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Re: Electric fans
« Reply #22 on: June 11, 2018, 02:22:30 PM »
Thanks for the pic.
These showed up today from eBay. Hopefully I can make em work. 8)

39delux

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Re: Electric fans
« Reply #23 on: June 11, 2018, 08:51:38 PM »
I always use a 16" fan on my builds.  Find it to be effective for cooling, easy to mount and can be mounted slightly off center in case of engine/fan interference.  When mounting the fan I use a sheet of aluminum, cut a round hole for the fan and use bolts that will stay put on the shroud when mounting the fan.  This way, if necessary, the fan can be removed a bit easier.  Note on these pics that there is a strip on the bottom of the radiator that is not covered by a shroud.  I ran out of aluminum!  The LS engines are easier to cool so it doesn't make a big difference.  Over the years of driving street rods I've developed "temp gauge eye skew"  which means one eye on the gauge and the other eye out the window.  I got this offset years ago so there was no need to have the fan on auto.  Any time the temp starts to rise I turn the fan on!

ghost28

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Re: Electric fans
« Reply #24 on: June 11, 2018, 09:20:59 PM »
Same thing 16 inch fans annd aluminum or steel fan shrouds

madmike3434

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Re: Electric fans
« Reply #25 on: June 12, 2018, 08:10:31 AM »
question is , when the fan is running , will it hold a t shirt or cloth 2 x 2 ft square cloth too the grill ?????

mike

Rattiac

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Re: Electric fans
« Reply #26 on: June 13, 2018, 12:20:53 AM »
Did this tonight. It held a sheet but just barely.
I may open up the vents to see if it's any better.

Now I smell like car's. Gas is a few months old and stinky. :o

madmike3434

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Re: Electric fans
« Reply #27 on: June 13, 2018, 12:05:08 PM »
RATTIC............the SIX blades on the steel or aluminum DERALE bladed fan have a larger pitch and draw significantly more air thru the grill then radiator.

Unlike an electric fan they do not have bearings to burn out, they are throw aways when broken or bearing worn out. Do not think anybody rebuilds them >?  My 91 cutlass had 2 fans, one was just under $400 and the other about $250.  Both went within 30 days of each other. 

Its important that the sides of the radiator inside the shell and the top area block off the air flow , so its forced thru the radiator.

If I could get a gm clutch fan like the 60--70's with 6 and 7 blades on the front of the engine I would run  one, sadly our 33--35 chevys do not have the room, so the Derale fans are perfect.

Happiness is driving your car in stop and go traffic without having to watch the temp gauge climb beyond 185.

mike

Rattiac

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Re: Electric fans
« Reply #28 on: June 13, 2018, 09:24:47 PM »
I think I have a old fan clutch from my Cherokee.
Might experiment with that one day. I know the fan has a lot of pitch to it.  8)

There's a 2" spacer on it right now.

madmike3434

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Re: Electric fans
« Reply #29 on: June 14, 2018, 02:10:08 PM »
you want 6 -7 blades with decent pitch to it.  My S10 has one from the factory, insanely noisy when you start the 4.3 up, makes a roaring sound.  Guy I knew had a 396 SS 70 nova with a seized clutch fan on it.  You could hear him coming off the lights 1/4 mile away from hamburger joint we hung out at, with sound of the fan.

I think I have a complete one off my 76 olds 455, but due to spacer built in cannot get it to work on a SBC  SWP too rad clearance.  They only lock up when temp spring inside says so, saving money on cost of gas.. these fans are heavy and take power to spin them.

mike lynch

 


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