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Re: jag fan clutch [Re: ademon] #1052904
08/18/11 02:56 PM
08/18/11 02:56 PM
Joined: Jan 2007
Posts: 401
Norway
G
General 68 Offline
mopar
General 68  Offline
mopar
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Joined: Jan 2007
Posts: 401
Norway
Quote:

So am i the only one that thinks the jag fans are "weak" meaning they don't spin the fan quite fast enough when hot?




On the street my 440 runs a little hotter with the Jag fan clutch than it did with a old non-thermal clutch. Stuck in traffic on a hot day the Jag fan clutch still keeps the temperature at a healthy level - the old clutch didn't.
I would have liked the Jag clutch to spin the fan a little faster, but as long as it cool the motor on a hot day I'm fine - less drag than the severe duty units.

Re: jag fan clutch [Re: ademon] #1052905
08/18/11 03:18 PM
08/18/11 03:18 PM
Joined: Feb 2009
Posts: 1,274
Ontario.Canada
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can.al Offline OP
pro stock
can.al  Offline OP
pro stock
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Joined: Feb 2009
Posts: 1,274
Ontario.Canada
...a fan with a pitch of 2 1/2" or more should be used with a severe duty clutch..the jag is "heavy Duty"
..i think the original 7 blade mopar fan had a pitch of 2 1/4" but can't remember.
..the mopar performance 5 blade has a 2 1/2" pitch but might be ok.

Re: jag fan clutch [Re: can.al] #1052906
08/18/11 03:21 PM
08/18/11 03:21 PM
Joined: Jan 2003
Posts: 28,067
Irving, TX
feets Offline
Senior Management
feets  Offline
Senior Management

Joined: Jan 2003
Posts: 28,067
Irving, TX
Take a look at this chart:

http://www.haydenauto.com/upload/HaydenAuto/Documents/Cat_Imperial/2007-imperial-fan-clutches.pdf

Find the original part number for your (or something similar) application. make a note of the measurements. If you need a shorter fan, play in the charts until you find one that fits your measurements.


We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
Re: jag fan clutch [Re: feets] #1052907
08/18/11 03:54 PM
08/18/11 03:54 PM
Joined: Sep 2004
Posts: 6,906
IL, Aurora
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ademon Offline
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ademon  Offline
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Posts: 6,906
IL, Aurora
I see the jag uses a smaller plastic fan!! this is the answer to the slower fan speed with our metal large dia fans.

Last edited by ademon; 08/18/11 03:56 PM.
Re: jag fan clutch [Re: ademon] #1052908
08/18/11 04:47 PM
08/18/11 04:47 PM
Joined: Feb 2003
Posts: 10,215
Someplace you aren't
S
SomeCarGuy Offline
I Live Here
SomeCarGuy  Offline
I Live Here
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Joined: Feb 2003
Posts: 10,215
Someplace you aren't
I used the Jag fan. Came w/ bushing. Kept the 383 cool. No shroud. I noticed it seemed to need several seconds to even out when cold. I could hear a difference at first start for about 20 seconds or so.

Worked really good. I got mine from NAPA. Ran a 7 blade OEM fan blade with it. Not sure what from or pitch.


I want my fair share
Re: jag fan clutch [Re: General 68] #1052909
08/18/11 07:26 PM
08/18/11 07:26 PM
Joined: Feb 2004
Posts: 7,196
Harrisburg, Pa.
screamindriver Offline
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screamindriver  Offline
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Joined: Feb 2004
Posts: 7,196
Harrisburg, Pa.
Quote:

Quote:

So am i the only one that thinks the jag fans are "weak" meaning they don't spin the fan quite fast enough when hot?




On the street my 440 runs a little hotter with the Jag fan clutch than it did with a old non-thermal clutch. Stuck in traffic on a hot day the Jag fan clutch still keeps the temperature at a healthy level - the old clutch didn't.
I would have liked the Jag clutch to spin the fan a little faster, but as long as it cool the motor on a hot day I'm fine - less drag than the severe duty units.




I tried to use the hayden jag clutch on one project...It fit OK but it just did'nt seem to work like it should have...Thought I got a bad one and had it replaced...Same deal, the temp was high and it never seemed to "lock up" like it should have...Ended up yanking it and using a fixed blade on that project...

Re: jag fan clutch [Re: screamindriver] #1052910
08/18/11 09:25 PM
08/18/11 09:25 PM
Joined: Jul 2006
Posts: 619
nj
J
JAMESDART Offline
mopar
JAMESDART  Offline
mopar
J

Joined: Jul 2006
Posts: 619
nj
i have one on my bb duster with the 7 blade hayden fan blade it works good, but could use a shroud. it cant sit there and idle all day long when its 100 but it does fine even in stop and go traffic in the dead of summer.

Re: jag fan clutch [Re: JAMESDART] #1052911
09/16/14 10:35 PM
09/16/14 10:35 PM
Joined: Jan 2009
Posts: 813
Ontario,Canada
brads70 Offline
super stock
brads70  Offline
super stock

Joined: Jan 2009
Posts: 813
Ontario,Canada
Anyone have any experience with this Jag clutch regarding higher RPM's? 6-7000? I'm worried about it coming apart?

Re: jag fan clutch [Re: brads70] #1052912
09/16/14 11:04 PM
09/16/14 11:04 PM
Joined: Dec 2013
Posts: 4,680
Wichita
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GY3 Offline
master
GY3  Offline
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Joined: Dec 2013
Posts: 4,680
Wichita
Quote:

Anyone have any experience with this Jag clutch regarding higher RPM's? 6-7000? I'm worried about it coming apart?




My posts are the "Anonymous" user in this thread (long story).

I've had my car out and about some and done quite a few 6000 rpm burnouts. So far so good. Keeps the temp right at 180° with no shroud.

My motor is pretty mild and I made sure the radiator was gone through before I installed it.

It's a Hayden Heavy Duty unit and I have no reservations about beating on it!

Re: jag fan clutch [Re: brads70] #1052913
09/17/14 12:05 AM
09/17/14 12:05 AM
Joined: Jan 2003
Posts: 27,468
So Cal
autoxcuda Offline
Too Many Posts
autoxcuda  Offline
Too Many Posts

Joined: Jan 2003
Posts: 27,468
So Cal
Quote:

Anyone have any experience with this Jag clutch regarding higher RPM's? 6-7000? I'm worried about it coming apart?




I've run it in my car for 3 years now or so. It's a 416 stroker. But I can get it up to 6000 at the end the straight at Willow Springs. I'm sure when my instructor drove it he got more revs out of it. I've got the rev limiter at 6400 and I know I've hit that in 1st gear just to see if it worked.

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