jimmybigrig
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• winnipeg, XX, Canada |
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• Registered on 2/22/2003 |
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• 66 posts |
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 Posted:8/15/2003 20:15 |
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was looking around and read about a fan clutch system used to increase hp and fuel mileage by not working when it is not needed.now along those lines but way cheaper could you not remove the fan completely and use a after market electric fan kind of like what muscle car guys and gals do to their cars? just a thought??? |
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jimmybigrig
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• winnipeg, XX, Canada |
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• Registered on 2/22/2003 |
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• 66 posts |
• 1
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Posted:8/19/2003 16:23 |
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alot of views no thoughts? come on guys what do ya think? sounds like it could work. the semi trucks we run have the same fan clutch idea that i mentioned but verrry exp. could a electric fan do the trick and save fuel and gain hp? |
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LANDYOT
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• Subscriber since 11/23/2003 |
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• Newport News, VA, USA |
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• Registered on 7/15/2003 |
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• 1,110 posts |
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Posted:8/19/2003 19:45 |
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Isn't there already a fan clutch in there? I mean, if you can easily rotate the blades by hand, then it is attached to a centrifugal clutch mechanism. I haven't checked, but I would be awfully surprised to find the fan runs in direct proportion to fanbelt speed.
I have an electric fan on my GT40, but it runs at a constant speed when it's on. Hence, it would not exactly match the road / wind speed at all times. It actuates by a temp-sensor ... and I'm considering a disconnect switch for when I'm running many miles on the interstate. Of course, as dumb as I can be at times, I'd probably forget to reconnect when I got in city traffic. |
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jimmybigrig
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• winnipeg, XX, Canada |
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• Registered on 2/22/2003 |
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• 66 posts |
• 1
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Posted:8/19/2003 20:46 |
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thaks for the reply. makes sense what you are saying. just was looking through the net and came across this fan set up. but it makes me wonder if our current fan is set up this way what the heck is this other guy selling? maybe i'm missing something? |
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greateastern
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• Southern, MD, USA |
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• Registered on 9/21/2002 |
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• 93 posts |
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Posted:8/19/2003 21:06 |
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jimmy, I believe the fan setup you are discussing is made by US Gear. Power Stroke Registry magazine did a story on that awhile back if I remember correctly. Seemed to think it was pretty good for some applications, but didn't add much in other use modes.
Hope this helps.
Gary
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'02 X LTD, 4X4, PSD, 3.73LS. True Blue & Gold. 15K miles. Pretty much stock. (Sigh!) Upgraded load range Steeltex tires. Roof rack bars removed. Ford spare tire organizer. Way overdue on getting guages... Sunnybrook 30FKS travel trailer, 31ft, 8000lb. |
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gearman
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• los Angeles, CA, USA |
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• Registered on 1/22/2003 |
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• 336 posts |
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Posted:8/20/2003 09:47 |
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I changed a fan clutch for a customer who bought his own HD unit from some parts house. it was some big name company. the customer said he wouldnt pay the $175.00 or so for a Ford unit. it looked good and worked good till he pulled a grade. it began to run hot. he finaly came back and had me put the Ford unit on and solved the problem. be carefull with aftermarket fans. 
01 excursion psd hellwig rear stabalizer 285 michelins suncoast converter transmission custom built with Transgo shift kit,by me.
TTS computer chip,next mod-TTS exhaust system
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FamilyRideII
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• Flower Mound, TX, USA |
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• Registered on 8/7/2003 |
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• 51 posts |
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Posted:8/20/2003 10:25 |
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I wonder about electric fans on a PSD. The parisitic drag wouldn't be as noticable, but at least you would free up some power. Of course you'd want to have a fan(s) that draw plenty of air when they are on.....
2004 Eddie Bauer Excursion
4x4 6.0 PSD, all the goodies, Superchips 1704, Magnaflow, Isspro Gauges, 285 REVO's |
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gearman
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• los Angeles, CA, USA |
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• Registered on 1/22/2003 |
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• 336 posts |
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Posted:8/20/2003 13:14 |
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Jim
i did some testing on my own F250 460 motor with electic fans. i installed 2 huge fans and ran a thermostat to kick them in at 180 deg. in town it was great, i didnt notice any power increase. what i did notice was in hot weather the truck ran hot. the problem was that after the electric fans kicked in at 180, they were playing catch-up and could never cool the engine down to normal. if i overode the thermostat with my switch it seemed to be ok.but it still ran hotter than normal pulling hills. i vote no on electric fans unless used as an auxilery.
mike
01 excursion psd hellwig rear stabalizer 285 michelins suncoast converter transmission custom built with Transgo shift kit,by me.
TTS computer chip,next mod-TTS exhaust system
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