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Re: best mechanical fan for big block
[Re: dangina]
#1597175
03/23/14 11:36 AM
03/23/14 11:36 AM
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Joined: Jan 2003
Posts: 21,085
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,085
Niles , Ohio
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We run Summits stainless flex fans.IIRC mine is 18 inchs on my 65 440 with shroud.Its been on at least 20 years.Keeps the BB at 180 all day even when its in the 90s.My kids 413 runs the same with no shroud and has been on at least 8 years.Had a smaller one on my Jeep years ago.I ran it for at least 10 years and plowed with it.It almost ran too cold in the winter.Rocky
Chrysler Firepower
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Re: best mechanical fan for big block
[Re: dangina]
#1597176
03/23/14 11:51 AM
03/23/14 11:51 AM
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Joined: Apr 2010
Posts: 4,154
bethlehem pa
mikemee1331
master
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master
Joined: Apr 2010
Posts: 4,154
bethlehem pa
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Quote:
for reliability I would like to keep the stock fan setup. Question whats the best to buy out there? flexalite? viscous?
not to step on Rocky's toes but i've used the stock viscous fan setup for years without issue.
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Re: best mechanical fan for big block
[Re: autoxcuda]
#1597178
03/23/14 12:07 PM
03/23/14 12:07 PM
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Joined: Apr 2010
Posts: 4,154
bethlehem pa
mikemee1331
master
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master
Joined: Apr 2010
Posts: 4,154
bethlehem pa
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Quote:
It used to be the Mopar Performance viscous fan package. But I think they have got real expensive?
$120 from Mancini. that's where i got mine years ago but i can't remember what i paid
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Re: best mechanical fan for big block
[Re: therocks]
#1597180
03/23/14 02:29 PM
03/23/14 02:29 PM
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Joined: Jan 2004
Posts: 3,001
Coram, NY
Pool Fixer
master
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master
Joined: Jan 2004
Posts: 3,001
Coram, NY
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Quote:
We run Summits stainless flex fans.IIRC mine is 18 inchs on my 65 440 with shroud.Its been on at least 20 years.Keeps the BB at 180 all day even when its in the 90s.My kids 413 runs the same with no shroud and has been on at least 8 years.Had a smaller one on my Jeep years ago.I ran it for at least 10 years and plowed with it.It almost ran too cold in the winter.Rocky
another vote for the stainless blades of death. Sure they will cut you open if you so much as look at them crooked, but they do an awesome job cooling. When I ran one I painted it black so it wasnt so obvious.
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Re: best mechanical fan for big block
[Re: Pool Fixer]
#1597181
03/23/14 06:37 PM
03/23/14 06:37 PM
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Joined: Dec 2004
Posts: 10,558
Rittman Ohio
fourgearsavoy
I Live Here
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I Live Here
Joined: Dec 2004
Posts: 10,558
Rittman Ohio
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I'm using the 5 blade MP viscous fan on my car now and I like it. I have used the one piece plastic fan on my old engine and that thing really moved some air. Gus 
64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
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Re: best mechanical fan for big block
[Re: Commando1]
#1597187
03/24/14 11:12 AM
03/24/14 11:12 AM
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Joined: Apr 2010
Posts: 4,154
bethlehem pa
mikemee1331
master
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master
Joined: Apr 2010
Posts: 4,154
bethlehem pa
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Quote:
So basically there is no general consensus. 
come on, this is Moparts! did you really expect one?? i think the one thing we will all agree on with this is the shroud. gotta have it...
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Re: best mechanical fan for big block
[Re: Commando1]
#1597189
03/24/14 11:16 AM
03/24/14 11:16 AM
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Joined: Jan 2003
Posts: 5,911
Athens, Greece
Pyper70
master
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master
Joined: Jan 2003
Posts: 5,911
Athens, Greece
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I have the 7-blade Mopar Clutch fan with a Hayden viscous. Always with a shroud. 440+727. Used to never get past 170º..These days it climbs to 200º...but I have to flush my cooling, its been years.
I couldn't find any for my buddy's 72' Roadrunner so we opted for the 5-blade with viscous clutch. His is a 440 4spd car and his temperature never gets past 170º.
Had another friend with a 68 Coronet 383 and he had a flex fan on his until it committed suicide...the fan blade sheared clean off and shredded his hood....It was half in and half out of the hood. Luckily he was driving and not adjusting something under the hood...could have proven fatal
Family owned 1969 Charger R/T DualQuad 440/727/GVO/3.55s
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Re: best mechanical fan for big block
[Re: mikemee1331]
#1597190
03/24/14 12:42 PM
03/24/14 12:42 PM
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Joined: Jan 2003
Posts: 21,085
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,085
Niles , Ohio
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Dont really need a shroud.Look at a lot of OE Mopars.Most did not have shrouds.Ive had them since the 60s and most didnt have a shroud.Rocky
Chrysler Firepower
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Re: best mechanical fan for big block
[Re: mikemee1331]
#1597191
03/24/14 12:45 PM
03/24/14 12:45 PM
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Joined: Jan 2003
Posts: 21,085
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,085
Niles , Ohio
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Depends on the year also.My 65 you are hard pressed to put a clutch fan on.66 up not a problem.My SS flex is as light as a plastic one.Been on like I said at least 20 years and no problems.Only fan I had break was a factory steel one.Luckily it was on start up and didnt do much damage.Rocky
Chrysler Firepower
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Re: best mechanical fan for big block
[Re: dangina]
#1597192
03/24/14 01:02 PM
03/24/14 01:02 PM
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Joined: Jan 2003
Posts: 6,591
Canton, Ohio
Sport440
master
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master
Joined: Jan 2003
Posts: 6,591
Canton, Ohio
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Quote:
for reliability I would like to keep the stock fan setup. Question whats the best to buy out there? flexalite? viscous?
There is only one Best Mechanical Fan 
That would be the stock Viscous. It moves the air and consumes the Least amount of HP of All the other mechanical fans.
But I did use the Summit black plastic fan on my last build because it was so light. Only to learn later that it was one of the bigger HP consumers of all the other tested fans.
That Fan test is still floating around somewhere here on Moparts.
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Re: best mechanical fan for big block
[Re: Sport440]
#1597193
03/24/14 01:39 PM
03/24/14 01:39 PM
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Joined: Apr 2011
Posts: 1,520
West Palm Beach, Florida
Copper Dart
pro stock
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pro stock
Joined: Apr 2011
Posts: 1,520
West Palm Beach, Florida
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just my  edit: Radiator- Spectra CU332 Fan Clutch- Hayden 2765 (Jaguar) Fan Shroud- P2785434 mopar# Fan- 18" (could have easily fit a 19") Upper Hose- 70624 trim to fit Lower Hose- 70592 trim to fit
Last edited by Copper Dart; 03/30/14 02:36 PM.
Common sense, the least common of all the senses.
Mom.
For fear of ridicule, society stifles creativity.
Ricky Valdes
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