Re: New Hayden Heavy Duty Low Profile Fan Clutch (Jag Style)
[Re: 1964superstock]
#2289282
04/17/17 10:04 AM
04/17/17 10:04 AM
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Joined: Jan 2003
Posts: 6,531 Jacksonville, FL
Chris2581
master
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master
Joined: Jan 2003
Posts: 6,531
Jacksonville, FL
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Good info! Thanks for posting it.
Nautilus Racing- We use Superformance gaskets and Turbo Action converters/products.
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Re: New Hayden Heavy Duty Low Profile Fan Clutch (Jag Style)
[Re: Chris2581]
#2289487
04/17/17 03:49 PM
04/17/17 03:49 PM
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Joined: Dec 2013
Posts: 4,680 Wichita
GY3
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master
Joined: Dec 2013
Posts: 4,680
Wichita
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Awesome! No problems in the Summer heat here, though, with the stock fan.
'63 Dodge 330 11.19 @ 121 mph Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs. 10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
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Re: New Hayden Heavy Duty Low Profile Fan Clutch (Jag Style)
[Re: 1964superstock]
#2289617
04/17/17 07:54 PM
04/17/17 07:54 PM
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Joined: Mar 2013
Posts: 571 Spring Hill Fl
65Fury440
mopar
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mopar
Joined: Mar 2013
Posts: 571
Spring Hill Fl
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I just replaced my 2765 with the 2947. The prior did not have enough clutch to run my 7 blade fan, temps would creep up. Comparing the 2 sided by side there is a dramatic difference in clutch tension. I almost think my 2765 was defective. I have not had a chance to take a long drive, it's sure to help.
Edit- Rock Auto had the best price that I found.
Last edited by 65Fury440; 04/17/17 07:55 PM.
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Re: New Hayden Heavy Duty Low Profile Fan Clutch (Jag Style)
[Re: 1964superstock]
#2290401
04/19/17 02:18 AM
04/19/17 02:18 AM
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Joined: Mar 2013
Posts: 571 Spring Hill Fl
65Fury440
mopar
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mopar
Joined: Mar 2013
Posts: 571
Spring Hill Fl
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I had a chance to drive around with the new fan. I had replaced my fixed 4 blade fan with the 2765. The 4 blade kept the engine right around the 185 mark with a 180 degree stat until you really drove hard, then the temp would raise up to 200-210, at which point I would start to slow down and let the cooling system catch up.
With the 2765 and a 7 blade steel hub/ aluminum blade Mopar fan, the temp went right on up past 185 and never come back down, even driving easy. When I pulled into the garage, the temp was at 220, an all time high for my car.
With the 2947, the temp went right past 185, but stopped at 195. I am thinking that is when the clutch engaged. I ran pretty hard on a bout a 20 mile mixed highway speed, traffic light situation, temp stayed dead solid.
The exhaust is too loud to hear when the fan engages, but the new model is working, where the old model didn't.
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Re: New Hayden Heavy Duty Low Profile Fan Clutch (Jag Style)
[Re: 1964superstock]
#2290430
04/19/17 06:31 AM
04/19/17 06:31 AM
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Joined: Jan 2003
Posts: 10,008 Frostbitefalls MN (Rocky&Bullw...
gregsdart
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,008
Frostbitefalls MN (Rocky&Bullw...
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I have a 1965 Dart with a smallblock, and installed a champion three row radiator ment for a b body, which required opening up the core support about an inch and a half wider. Between the extra core and the B body sized rad, the room available for a clutch fan is not enough, leaving zero clearance for even the new shorter fan clutch the way the rad is mounted now. But all is not lost, it looks like l can get the 3/4 inch clearance I need by further trimming the core support at the top and sides, bringing it out away from the motor the max possible and still leave enough stock core support.
Last edited by gregsdart; 04/19/17 06:34 AM.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
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Re: New Hayden Heavy Duty Low Profile Fan Clutch (Jag Style)
[Re: 65Fury440]
#2290774
04/19/17 11:41 PM
04/19/17 11:41 PM
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Joined: Oct 2008
Posts: 506 Utah, USA
1964superstock
OP
mopar
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OP
mopar
Joined: Oct 2008
Posts: 506
Utah, USA
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I had a chance to drive around with the new fan. I had replaced my fixed 4 blade fan with the 2765. The 4 blade kept the engine right around the 185 mark with a 180 degree stat until you really drove hard, then the temp would raise up to 200-210, at which point I would start to slow down and let the cooling system catch up.
With the 2765 and a 7 blade steel hub/ aluminum blade Mopar fan, the temp went right on up past 185 and never come back down, even driving easy. When I pulled into the garage, the temp was at 220, an all time high for my car.
With the 2947, the temp went right past 185, but stopped at 195. I am thinking that is when the clutch engaged. I ran pretty hard on a bout a 20 mile mixed highway speed, traffic light situation, temp stayed dead solid.
The exhaust is too loud to hear when the fan engages, but the new model is working, where the old model didn't. Thanks for posting your test results 2765 vs. 2947 fan clutch. I'll be replacing my 2765 fan clutch with the 2947 fan clutch in the near future, hoping for similar results, lower engine temps especially in the summer.
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Re: New Hayden Heavy Duty Low Profile Fan Clutch (Jag Style)
[Re: 1964superstock]
#2301138
05/08/17 01:36 PM
05/08/17 01:36 PM
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Joined: Jan 2011
Posts: 4,785 Utah and Alaska
astjp2
master
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master
Joined: Jan 2011
Posts: 4,785
Utah and Alaska
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Do these work with reverse rotation for serpentine belts?
1941 Taylorcraft 1968 Charger 1994 Wrangler 1998 Wrangler 2008 Kia Rio 2017 Jetta
I didn't do 4 years and 9 months of Graduate School to be called Mister!
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Re: New Hayden Heavy Duty Low Profile Fan Clutch (Jag Style)
[Re: astjp2]
#2301181
05/08/17 02:36 PM
05/08/17 02:36 PM
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Joined: Aug 2011
Posts: 2,861 Pattison Texas
CSK
master
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master
Joined: Aug 2011
Posts: 2,861
Pattison Texas
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Do these work with reverse rotation for serpentine belts? No it will not work in reverse.
1968 Charger COLD A/C Hilborn EFI 512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim 2020 T/A 392 Stock 11.79 @ 114.5
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