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Electric fan selection
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robins44
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PostPosted: Sun Jul 18, 2010 10:01 pm    Post subject: Electric fan selection Reply with quote

Have this radiator cooling the 383 right now in the truck

http://www.summitracing.com/parts/SUM-380331/

Have a fan on it right now similar to this one

http://www.summitracing.com/parts/PRM-19115/?rtype=10

Problem is without a shroud setting at idle she likes to get warm, my drive to work involves alot of stop and go on the highway and traffic jams. Would like to drive it to work but have been afraid to do to overheating. Looking for either a shroud that will work with this fan, or a new fan and shroud combo? Any suggestions

Looking at these but are they overkill and is a 50 amp draw way to much?


http://www.summitracing.com/parts/SUM-G4850/

http://www.summitracing.com/parts/DER-16927/

Would like to spend less than 200 but if that second fan is much better than would be interested in picking it up. Oh and should i be wiring it up to a thermostatic switch or is a toggle switch okay like i have now, will be putting a relay on of course.


Cody
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MufflerBearings69
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1968 Ford Galaxy

PostPosted: Sun Jul 18, 2010 10:58 pm    Post subject: Reply with quote

why not use a temp switch?

the temp switch controls the ground side of the relay coil, so you can use your toggle switch to keep it on if you want to... but the temp switch makes for one less thing for you to do...

Just a thought. if budget is an issue can always add a temp switch later too.

Some guys used to use the late model GM factory ones- just get a replacement one from any parts store... I never found a list of part numbers and temp specs to go that route though.

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af2
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PostPosted: Sun Jul 18, 2010 11:03 pm    Post subject: Reply with quote

The factory pump driven fan with a factory shroud are unbeatable.

What was the question? Very Happy
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Skunkworkx
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PostPosted: Sun Jul 18, 2010 11:21 pm    Post subject: Reply with quote

Either this --> http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=370335306295&viewitem=&sspagename=STRK%3AMEWAX%3AIT
OR scrounge the junkyard for a Mark III or Taurus electric fan.

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robins44
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PostPosted: Mon Jul 19, 2010 12:22 am    Post subject: Reply with quote

af2 wrote:
The factory pump driven fan with a factory shroud are unbeatable.

What was the question? Very Happy
mechanical fan and shroud are long gone. Shroud won't work with this radiator anyways.
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10sec.et
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PostPosted: Mon Jul 19, 2010 1:41 am    Post subject: Reply with quote

didnt we just discuss this ? maybe it was another board Confused . anyway, i have the same fans. if its really close to the radiator (1/8" to 1/4") you can get away without a shroud. otherwise you have to build one. my fans overlap about 3" thats why one is closer than the other to the rad.




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af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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MufflerBearings69
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PostPosted: Mon Jul 19, 2010 9:25 am    Post subject: Reply with quote

yes, I just asked about fans a few weeks ago... lol
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Paul P
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PostPosted: Mon Jul 19, 2010 3:38 pm    Post subject: Reply with quote

Still like the Spal fans the best. See pic of them in the garage link below.

http://www.smokemup.com/bb/garage/upload/garage_gallery-30-1145147376.jpg

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af2
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PostPosted: Mon Jul 19, 2010 6:47 pm    Post subject: Reply with quote

robins44 wrote:
af2 wrote:
The factory pump driven fan with a factory shroud are unbeatable.

What was the question? Very Happy
mechanical fan and shroud are long gone. Shroud won't work with this radiator anyways.


What year radiator? What year truck?
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robins44
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PostPosted: Mon Jul 19, 2010 8:26 pm    Post subject: Reply with quote

radiator is summit aftermarket in first post, truck is 1990, ditched bottom shroud long time ago back in high school when did the body lift, and top shroud was cut when i put the electric fan on. Spal fans are good? What do you guys think about the fans that i posted? Will they do the job, is the dearale worth the money?

Debating on also putting the one i got now on the front as a pusher in combination with something different as a puller on the back, is that stupid?



Cody
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MufflerBearings69
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PostPosted: Mon Jul 19, 2010 9:33 pm    Post subject: Reply with quote

Summit sells direct fit shroud and fan combos for their radiators- I have a Summit aluminum rad myself.



youll just have to measure the core and match it up.

I am not sure yet if the fan will be enough (1600 cfm)- if not, I will hop up a fan size and trim the hole bigger...

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MufflerBearings69
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PostPosted: Mon Jul 19, 2010 9:39 pm    Post subject: Reply with quote

PS, i looked at your link for your fan- I wonder how much a ring of aluminum a few inches wide around that would help in itself...
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af2
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PostPosted: Mon Jul 19, 2010 11:59 pm    Post subject: Reply with quote

My son is running 2 derale(spelling) fans with a Tstat and it is not enough. Just trying to help.
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10sec.et
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PostPosted: Tue Jul 20, 2010 12:07 am    Post subject: Reply with quote

MufflerBearings69 wrote:



I am not sure yet if the fan will be enough (1600 cfm)- if not, I will hop up a fan size and trim the hole bigger...


its not so much the size as it is the design. that fan is good for cooling computers and thats about it. you want a kick ass fan that pulls lots of air ? get something off of a late model V8 Ford/Lincoln. the only problem with the Ford fans is that they pull a LOT of amps and you need to run fuseable link or a really heavy fuse holder.

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af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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robins44
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PostPosted: Tue Jul 20, 2010 12:20 am    Post subject: Reply with quote

is either of those fans i posted kick ass lol?
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