Viscous fan vs electric fan. If not, it will set related DTCs if necessary.

Viscous fan vs electric fan Joined Aug 22, 2012 · 3,162 Posts #21 · Aug 15, 2023 When I bought my 57 plate Puma it had an electric fan fitted and the viscous fan had been left in the back. As the temp of the air Coming through the radiator increases the temp increase causes the bimetallic spring to increase drag in the viscous fluid and so speeds up the fan. Any speed above 20 will cool the motor. Jun 10, 2013 · You have to understand how the viscous fan works. So I tried a Mr gasket and it was apparent that the mr g fan was better right out if the box. Just my $0. Location: California Electric vs Aug 12, 2010 · The reason I went with the HD fan clutch was mostly redundancy. You are more likely to hear the electric fan operating in comparison to the fan on the water pump. Page 1 of 2 1 2 Next > Fraz Frazel. 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 Nov 14, 2024 · Fan Clutch vs Electric Fans: A Comparison. 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 Feb 1, 2014 · I still have the viscous fan on mine. The noise is also really not a problem compared to an electric fan kicking in at robots. And it works flawlessly. If not, it will set related DTCs if necessary. Even the mounting holes lined up 100% with the gaps of the radiator's core. Dec 14, 2020 · Thermo fan vs Viscous clutch fan on your 4x4? A bit of a topic that hasn't really been touched on too much, but i've gone and converted to an electric thermo Aug 22, 2012 · Viscous vs. Dec 2, 2009 · Viscous fans are only nice if you tow regularly. Moderator: martauto. On both cars space is very limited between the radiator and the engine. It places an Learn what makes a viscous fan clutch operate. Clutch fans are better because they only apply a load at idle or low speed and don't require wiring Electric fans save power but add weight and require a lot of wiring Electric fan Vs Viscous fan? Need technical Q/A then you're in the right place. Both my 1999 BMW 5 series and my 2004 BMW 7 series have a viscous fan for the main radiator and a pusher electric fan for the A/C condenser. 6 I just used the stock aux fans on high and triggered them at a lower temp without the clutch fan. Jun 15, 2009 · My 1986 90 has a 300 TDI engine in it fitted with the standard viscous fan . So, instead of buying a new clutch assembly, I decided to go the electric route with a 16 inch universal radiator fan. A viscous fan only draws power from the engine when it is required to lock up and cool. But as you're in a warmer climate i would recommend keeping it. Fan speed is monitored by the ECM Jun 22, 2011 · Most after-market electric fans push about 2000 or so cfm. Dec 16, 2012 · I don't know if the viscous coupling was worn (it was tight, but fluid). View Profile View Forum Posts ForumSage May 16, 2010 · 2. All e30 cars had viscous with an electric aux fan, which most of us long term owners switch out to a spal puller to run on high speed all the time during a/c operation or when the high temp sensor activates the aux fan. A viscous fan draws 7kw off the engine. By CJBH in forum Land Rover Replies: 22 Last Post: 2011/03/17, 10:03 PM. 9v8 in disco and rrc spec. Has anyone gone from a viscous fan to an electric fan and is it something worth considering? May 19, 2014 · Er, this seems odd to me. Then it doesn't suck power or make hardly any noise. But how does the fluid in the viscous fan heat up? only heat from the air around it? 2. Makes a big difference to how fast the engine rev`s and more power low dow as well AS LONG AS THE ELECTRIC FAN IS NOT RUNNING. Feb 19, 2016 · They mentioned that there's a twin electric fan set up, but maximum cooling is achieved by using the viscous fan. Another advantage with electric is the improved AC performance, and faster warm up in winter. When i got home today there was a strange noise/vibration it appears the viscous unit has given up with LOADS of play !! After reading a lot about viscous vs electric fan i have decided its best to go for a electric one. Fine for cool climates maybe, but I'd avoid electric fans if you're somewhere hot and you want the AC on in idle traffic in the summer. 3L Power Stroke Diesel - Electric Cooling Fan Vs Fan Clutch - Looks like my fan clutch needs to be replaced and would like to know if anyone has changed over to electric fans? is it a good/bad idea? i was thinking about 1 pushing fan for the ac. i had overheating problems when driving slow in low range and on warm or hot days, driving on the freeways was fine. 2. They will draw 21 amps each. Joe, your car has two fans, both from the factory. Even towing 3t in 40deg from Upington. 3yrs later and it's still going Apr 16, 2007 · having asked this question myself and doing muchos reading, i am lead to believe that the problem is not keeping the viscous or swapping for electrics but removing the cowling that causes the poor cooling performance of electric fan setups as the majority of airflow is lost due to not being channelled by the cowling. Jun 24, 2005 · Guess electric fans don't sap power all the time, which is nice, personally I prefer the mechanical ones though because fans do take quite a lot of power and in traffic I'm always scared of blowing a fuse or having the motor fail (just paranois though ) Electric vs viscous fan. 8D SFA. Show Printable Version; 9th October 2009, 12:35 PM #21. With that said, I've also installed a switch to turn on the stock electric fan whenever I please. Thread: Viscous Fan vs Electric Fan. The smaller electric fan in the upper right is the auxiliary factory fan mounted in front of the radiator. Jul 17, 2023 · The clutch fan in the RB engine flows very little air, and you should upgrade to a modern electric fan setup to keep your engine cool. I might remove the viscous fan at some point but the electric fan kicks in every now and then usually when stuck in traffic on the motorway. Have three Syclones keeping Yank v8`s cool. Today, there are three types of engine cooling fans: flex, clutch, and electric fan. Apr 26, 2016 · Between my father and i we have 3 cars with the 7-blade viscous clutch fans, one a 440 Cuda, a 383 67 Charger and my '71 Demon 340. the clutch seizes) the fan still works just on full pelt so you dont overheat the engine when it happens! Electric vs viscous fan. An electric fan engages only when needed, with the added bonus that you can switch it off with an overide switch when wading. e. Just look at the cfm of elec fans on summit. Discussion in 'Technical' started by Fraz, Mar 24, 2016. 3. Heavier motor. Apr 19, 2015 · On my om603 I have 1 electric pusher fan and 1 electric puller fan running of the same circuit with a temperature switch on the engine. You may end up with a pair of offset 10-12" fans, just depends how close the accessory drive is on the W201/M103 setup. You then need to find another 42 amps worth of alternator to run them. Engine fan with viscous drive. Then look up the cfm of thermo-clutch fans. 1. This heavier load is seen as drag & it will cost HP. On a hot day when the fan hub is locked up it pulls a mental amount of air through the radiator and a/c condenser. Viscous fans are generally much more reliable that electric ones, although more noisy and can over cool in cold climates. Jan 30, 2020 · A viscous fan draws 7kw off the engine. The fan is not directly connected to the hub. It draws air via the radiator when the vehicle moves at low speeds or idling. Electronic – Viscous EV Fan Clutch Operation Jul 2, 2008 · It's less expensive to replace a defective viscous coupling fan with an electrical fan set-up than to buy a new one from the dealership. I won't have an electric fan on any of my old shit. I have replaced the useless aux front fans on my W210 with a high performance electric fan which is thermostatically controlled. Just my 2 cents - good Nov 18, 2012 · It does this by means of a bi-metal triggered valve, that opens or shuts the flow of the viscous fan's oil and therefore engaging and/or disengaging the clutch. Some viscous hubs can be opened and serviced, as well as adjusted. Registered User : Join Date: Oct 2006. Dec 11, 2008 · My blasted viscous fan is whisling around, the same as yours, even at minus 5 degrees which has never made sense to me and was going to fit an electric version (to improve warm up and reduce drag and so increase performance and fuel efficiency) until I read the negativity of doing so from elsewhere on this Forum. Quick and accurate valve control precisely maintains the fan speed. 5 - 1997 7. Something like the popular Volvo fan (used on a lot of electric swaps) won't fit. most people when they fit a thermo fan just bolt the thing straight to the radiator. Converting to electric fans has been credited with gains ranging from 12-18 RWHP and fuel economy improvements of around 1 MPG. i can touch the top radiator hose alright all? as above anyone fitted an electric fan to their 300tdi and lost the viscous coupling? i am interested in any experiences anyone may have had in this area, also has anyone used the cheaper generic kenlowes as found ebay? cheers in advance! I tried large electric cooling fans, hydrocarbons, Freeze 12, and anything else I could get my hands on. Mar 17, 2011 · While changing the fan belt on the Disco the other night, the spanner slipped and I broke a fin off on the viscous fan :mad::mad::mad:. Like all viscous fan clutches it may be turning, but is it working correctly? Mar 22, 2013 · Fixed or flex blade engine driven fans Viscous Fans Hydraulic fans Replacing a viscous fan with an electric fan is nuts. 5 XJ Jeep and a 2. There doesn't seem to be any Jan 21, 2016 · I was wondering if anyone has successfully pulled off the "plug and play" electric fan conversion by putting an electric fan out of a 2009 to 2012 Ram 1500 3. 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 Apr 27, 2014 · The stats regarding fuel consumption and power sapping of the viscous fans are utter lies - they are far more efficient than electric fans can ever hope to be. Clutch fans are controlled by a thermostat and utilize a clutch to engage or disengage the fan at a specified engine speed or temperature. Motor has problems getting warm and I like that the electric fan can be truly off when cold 3. The clutch then sits between the fan and the shaft. Post by Shane » Mon Jan 04, 2021 7:50 pm. . The purpose of the clutch is to keep the fan at a (fairly) constant speed, and to only engage the fan when it is needed. A Volvo fan barely fit on my 2. Jul 29, 2011 · Paul, are you sure its the electic fan The viscous fan also kick in and out depending on the temperature, and makes quite a loud noise. I know I have to replace it, but it made me think whether I should consider and electric fan :confused:::). 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 Electric fan Vs Viscous fan? Need technical Q/A then you're in the right place. just my 2c . Global Parts Distributors has the electronic fan clutch assembly: part number 2911297. Their car overheated so all mechanical fans are junk. A clutch is a thermostatic device that responds to changes in engine heat, while electric fans are controlled by the vehicle’s computer or a thermostat. Oct 29, 2014 · I understand that the fan is fluid driven I understand the fluid gets sticky when it gets hot and thus the fan turns more creating more air flow. Electric fans aren't the panacea that everyone seems to think they are, anyway. The viscous fan is spinning but not doing much. Dec 30, 2010 · IMHO a viscous is actually more efficient than an electric fan with the only additional power required is the friction of the belt and the bearing. Putaran mesin menjadi enteng dan harganya mirip-mirip dengan membeli viscous baru. Dougal. Nothing I did made a difference other than some things made their own problems, like the Lincoln electric fan forced me to change to a 119A alternator. My engine does not currently have a viscous fan fitted, but I think it's the standard for the original 3. the other methods of cooling. amps used since the Alt. com The fan roar could be the electric fan cutting in due to elevated temperatures. Jun 7, 2018 · Viscous fan drives are the economical choice for efficiency, performance and quiet operation. For the people who have switched to one, is there much of a performance difference? Electric fans rely on electric energy from the battery and charging system. I find the reliability of the system lies in the simplicity of your connection. Now an electrical fan has a thermo switch sitting in the water column thus can sense the temp and switch on. Mar 4, 2017 · However, due to only partially disengaging they will always be spinning at about 30% of the water pump speed at all times. A Davies Craig Thermatic Fan is light, releases parasitic power from the vehicles engine and is an economical replacement for original equipment. Aug 12, 2023 · The fans only come into play at low or no speed. It is full of a viscous fluid and is controlled with a bimetallic spring. Kit Masters leads the aftermarket in medium/heavy duty viscous fan clutch availability. Nov 13, 2005 · Viscous Fans Operate Mechanically And Does Not Require The Use Of Sensors Or Electrical Equipment (which Are Less Reliable) There Linear And Respond With Engine Speed And Hence Load Requirments. Jump to Latest 21 - 36 of 36 Posts. electric fan some time ago i also discovered the vast amounts of air moved by a viscous fan , and decided to not to replace them with electrics on my remapped diesels, which already suffers from a higher heatload than the cooling system was designed for. If you were in the relatively cold UK, then i would suggest that binning the noisy viscous fan and fitting an electric one would be worth while. Has anyone gone from a viscous fan to an electric fan and is it something worth considering? Nov 10, 2016 · Severe-Duty Thermal Fan Clutch: Severe duty thermal fans turn the fan at 80-90 percent of the shaft speed when engaged and 20-30 percent when disengaged. Oct 4, 2024 · On the other hand, electric fans draw energy from the vehicle’s electrical system, making them independent of the engine’s mechanical energy. The white fan is the mechanical clutch fan I pulled off my Mercedes. It is not a problem at the moment as the electric fans are coping on thier own but sooner or later. Seems to me a lot of the time guys use electric fans as a shortcut or band-aid. you do need to make sure the rest of the cooling system is in good fettle but, you should be doing Sep 13, 2011 · after researching the viscous vs. I really wish MB used a regular size radiator in the W124 300E and W126 300SEL, the smaller radiator limits ability for a larger shroud when using a clutched fan which is just plain silly. Jul 20, 2016 · No electric fan can keep up to a viscous. now with the viscous fan the engine runs so cool that i think theres something wrong with temperature gauge. You will never find an electric fan that will pull as much air as the viscous coupled one does. My electrics run at 4,600cfm which is WAY more than the viscous fan can move at idle. At other times, it consumes virtually no energy. Dec 1, 2017 · When I bought my 57 plate Puma it had an electric fan fitted and the viscous fan had been left in the back. 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 May 4, 2016 · I thinking of removing my viscous fan on my Tdi and replacing it with a 16"/17" electric fan from the States. 7L V6 into a 2013 to 2015 Ram 1500 5. Only downside I see is when the alternator belt fails and the fan running quickly drains the battery. The electric fan saves power due to no load on the engine. This kit features three HD relays, which allows for quieter operation. I originally had the vf on and when I turned on the ac at idle the vent temp would be warm until I accelerated or put the car in neutral and gave it gas to get that vf turning at a higher rpm to pull more aire through the condenser and radiator which would drop the temp at the vents. They were both replaced by the large electric fan on the left. To move as much air as the viscous engine fan you need two 3000 cfm 16 inch fans, shrouded. The fan is not needed then. Electric Fan. If anyone reading this has upgrad Jul 5, 2014 · Er, this seems odd to me. Oct 9, 2009 · Thread: viscous-vs-electric fans. View Single Post #33 03-09-2016, 08:12 PM lsmalley. This separation means that electric fans can potentially improve fuel economy by eliminating the aforementioned parasitic loss associated with mechanical fans. 7L V6). or maybe even 2 x 13" fans. The viscous clutch effectively reduces the rotating mass. A fan clutch is a thermostatic engine cooling fan that can freewheel at low temperatures when cooling is not needed, allowing the engine to warm up faster, relieving unnecessary load on the engine. An electric fan has at least 2 energy conversions, mechanical to electric Thanks for the advise guys! My viscous fan is still running fine, just thought I might gain a few kW's by removing the viscous. Jul 30, 2002 · I was thinking about getting a viscous fan for my 383. I've googled this topic and opinions seem to vary quite a bit. Front end is entirely off the car presently as the old iron block appears to have cracked a coolant gallery as theres mayo in the sump but nowhere else. Jun 27, 2023 · 2. The 16 inch fan is a perfect match for the radiator. While changing the fan belt on the Disco the other night, the spanner slipped and I broke a fin off on the viscous fan :mad::mad::mad:. Once you're moving the air flow through the radiator is sufficient, which is why the viscous fan allows the engine to rev far above the fan speed. Have you considered a 16" Spal fan to replace your viscous coupling fan? Some of the guys on the 500E forums have had good results with that fan on the M119 engine. as ol mate said it very debatable on what is reliable. So thinking about swap out viscous fan for May 27, 2012 · A viscous fan is pretty quiet, while an electric fan(as I learnt) can be pretty darn noisy. Display results as threads Jun 3, 2001 · Whether an electrical fan is more draining than a viscous fan would have to be tested. Are electric fans more expensive than clutch fans? Electric fans can be more expensive than clutch fans upfront, but they can save you money in the long run. Electric fan Vs Viscous fan? Need technical Q/A then you're in the right place. The fan and the clutch are merged into the front half of the system. 1 2. BUT i got a top of the line fan from the states built specifically for offroad applications, i I might remove the viscous fan at some point but the electric fan kicks in every now and then usually when stuck in traffic on the motorway. Our products are designed for heavy-duty applications in the trucking, mining, agriculture, construction, and generator sets industries. Plus I can carry a spare fan motor for the taurus fan. You should gain in the region of 2 km/l. But in cooling, what makes a good fan is optimum airflow for cooling with minimum energy consumption (for maximum engine power and fuel economy). Air may be forced through the radiator at sufficient speeds at high cubic feet per minute. These air-controlled fan drives—ideal for light, medium and heavy duty truck and off-highway applications—offer the latest in engineering innovations. I have a Ford Taurus fan on the way, 2 speed and super powerful. At lower temperatures the fan just freewheels. _____ Thanks for the advise guys! My viscous fan is still running fine, just thought I might gain a few kW's by removing the viscous. Dec 13, 2004 · It also depends on the whole setup. Perhaps the electric fan is cutting in early or late due to a defective/damaged or incorrect sensor. One of the more irritating things I have experienced is electric fans kicking in while everyone is trying to keep quiet and blend with nature at a water hole while viewing animals. 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 Joined: Sun Jun 05, 2005 Feb 11, 2022 · Literature review depicts that in past studies researchers have focused on use of fan energy where they observed delay in operating the mechanical viscous fan drive. Electric vs viscous fan. A belt driven fan is a lot more reliable than a full electric set-up. I found estimates online somewhere saying the viscous fan can move about 5,000cfm at full speed. Jul 24, 2012 · Mech anical fans rely on mechanical energy from the engine in order to operate properly. also, I'm thinking of doing a overland trip, and I don't want the viscous to pack up in the middle of nowhere. None of them over heat, ever! I want to add on to my 69 440 powered Charger. Newer Than: Search this thread only; Search this forum only. For example, my car has a viscous clutch-driven fan for the radiator and an additional electric fan for the AC condenser. Electric fans are more energy-efficient, which means they consume less fuel and result in lower operating costs over time. Electric fans are 2500-4000 from what I've seen. If you need to remove the fan assembly for work on the engine or for cleaning out the intercooler, then ALWAYS stand the fan assembly up right against a wall or similar. Electric Fans An electric fan completely removes the mechanical load of spinning the fan from the engine. The BorgWarner viscous fan drives can now be added to your order of genuine Delco Remy products. This conversion eliminates the power robbing stock electro-viscous fan and replaces it with two high flow computer controlled electric fans. The noise eventually got the better of me and I went back to a viscous fan! Top Jun 24, 2005 · Guess electric fans don't sap power all the time, which is nice, personally I prefer the mechanical ones though because fans do take quite a lot of power and in traffic I'm always scared of blowing a fuse or having the motor fail (just paranois though ) May 5, 2021 · I'm not aware of any fan drives, viscous, non viscous, electric over viscous or just plain electric on-off that only respond to rpm. I believe the probem with a viscus fan not moving is usually the fluid had leaked or needs replacing. a 2. And if you are concerned about having enough air you can add another smaller "pusher" fan on the front of the radiator. There doesn't seem to be any Keep your engine running cool with Horton, Inc. Mar 24, 2015 · Personally, would still go with the electric fan. cooling fan speed signal circuit. Nov 3, 2007 · The viscus fan on my diesel xj has been playing up. 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 Jun 3, 2014 · 300tdi viscous fan spanner '96 Disco V8 Viscous Fan vs. The electric fan issue is a balancing act of needed cfm vs. Jun 10, 2016 · I'm sorry guys but I can't see why you are having cooling problems. There are two main types of mechanical fans: clutch fans and flex fans. Chip · Premium Member. is going to be used at a heavier load to feed the power requirements. 5 v8 with carbies, i replaced them with the original viscous fan. in my experience, if you spaced the fan out the same distance from the radiator, where the viscous fan sits and build a shroud, like the plastic original one and mount the fan to it, at least the fan can draw the cool air in alot better Jun 28, 2017 · Frok the MP books, the viscous 5 blade fan is the unit that has the best & most factor. Apr 7, 2015 · The fan clutch should always engage when the system head pressure reaches in the 240 to 270 lbs range. They have losses of their own (motors get hot and waste power), not to mention the inefficiency of the alternator itself. Do yourself a favour and never fit an electric fan where an engine driven fan can be used. Aug 13, 2012 · I think a lot of guys who badmouth 'mechanical' fans probably had a $19 flex fan on their car with no shroud, improper spacing, etc etc. Also a lot less noisy than the viscous fan. Not the 7 blade fan. How difficult is it to install an electric fan? Feb 18, 2016 · Electric fan run a switch to the dash. On my 2. The engine cooling fans play a vital role in your car. I removed viscous and fitted electric fans to 2 of my vehicles with success. Oct 12, 2008 · how ya going mate. rather have two electric fans that kicks in automatically, or manually if the need exists. When the fan engages, the valve (4) is opened to fill the chamber. Jul 20, 2015 · Thinking about ditching the viscous coupling setup on Pigpen in favour of a 14 electric item. What I plan on doing is either buying a retrofit electric fan if anyone has any info on this, or I will build my own. 7L V8? Dorman Products part number is 621-410 (Electric cooling fan 3. Jul 29, 2010 · (this assumes the shroud is complete and the fan and fan clutch are in new condition) Now the faster the engine speed is the faster then fan is going to be turning up to a point at about 2500RPM (fan speed) the fan clutch will start to slip (to keep the plastic fan from blowing apart) and about 5k RPM (engine speed) the mechanical fan is only Nov 4, 2011 · This shaft receives it's rotation from the engine itself. Big ones. 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 May 15, 2012 · Viscous coupling is the ideal solution i think as if it works it has most of the efficiency of an electric fan, and if it goes wrong (i. The fan is not directly attached to the shaft, it is actually bolted to a viscous clutch. Stock fan is something like 10k CFM. Jul 26, 2022 · The mechanical fan clutch, also known as a viscous fan clutch or just Visco is a brilliant system that provides on-demand power to the radiator fan through a self-contained system. and 2 pulling fans for the radiator, of those two have Thanks for the advise guys! My viscous fan is still running fine, just thought I might gain a few kW's by removing the viscous. Detailed animations show internal components. I owned a '91 190E and drove it a year close to Ismally (Palm Springs) with no 1. These fans drwa 30a max. Feb 18, 2020 · If you go electric fan buy top of the range like Syclone otherwise you will have endless overheating problems. To empty the chamber (or disable the fan), silicone fluid is pumped back to a silicone reservoir (6) over a return channel (5). Ada cara sederhana dengan mengubah putaran kipas tadi menggunakan electric fan layaknya besutan anyar. They Are Not Desined To Flow Air Over The Engine. Heat, whether from the radiator airflow, oil temp, CAC temp, IAT temp and coolant temp are what is used to control fan speed on higher end units. Mar 26, 2012 · Bisa terbayang harga unit viscous yang mulai langka di pasaran. In Aug 2011, the compressor gave up. Thus researchers identified that the use of electronic control system to operate the fan drive overcomes the demerits of mechanical viscous fan drive. Been running my 200tdi with an electric fan for years now since the original viscous fan packed up. We recommend that you check the transducer and fan clutch assembly. 1 hz on the cooling fan speed signal circuit equals about 1 rpm of actual fan speed. The combination of HD fan clutch and electric fan switch keeps my engine consistently below 210 no matter how hot Oct 2, 2009 · hello all, today i removed the two 12 inch electric fans from my 1983 3. I just gave up and lived with what I had. The single large electric fan is substantially more efficient than the mechanical + aux stock fan setup. You'll never recover the cost. 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 Aug 26, 2011 · There's no good reason to replace a properly functioning mechanical fan and clutch with electric fans. By comparing the actual and desired fan speeds, the PCM is able to determine if the fan is working as designed. If you want a cheap 2 speed relay get the one from the Volvo 850 or 960. Thread Tools. I bought two Hayden fans but I bought them in a 9 month period. the most important thing is to make sure that the cowling seals properly. Mar 24, 2016 · Viscous fan vs Electric fan. Search by part number to find a replacement for your fan clutch. If you get worried about the cooling at any point and need to dump some heat (say if the temp was getting way too hot), max out the heater to fully hot and perhaps change the air direction to your feet so So in the previous video, I built up what would be the ideal electric thermo fan setup for the Surf So now it's come time to put several different setups Electric fan Vs Viscous fan? Need technical Q/A then you're in the right place. There doesn't seem to be any My fan clutch is new, radiator is new, and my fan/fan clutch is even from a 300E and it works amazing when I'm driving, even if its only 15-20 mph, but at a stand still the fan is useless. The manuals had electric fans stock, which is the case on my ***8216;03. It’s used with deeper pitch fans and has a larger working surface to provide cooler running and longer life expectancy. 8 Isuzu fitted with a 3. It varies based on price mostly. It is a direct mechanical drive with very little energy loss, only a miniscule ammount is lost to heat. When compared to an electric fan, fan clutches are quite inefficient. At least you won't have to worry about the Sep 8, 2018 · I chose these fans based on their dimensions and the amount of air they can move. Years ago e-fans were the cool thing. 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 Aug 8, 2012 · The clutch fan draws power from the engine due to the added load. 's reliable fan clutches and drives. Nov 23, 2003 · Things that occur to me: (1) there has to be a power loss from converting mechanical motion (belt rotation) to electricity and then back to rotary motion through an electric fan (2) the load the alternator puts on the belt varies with the current requirements, so substituting an electric for belt driven fan eliminates the load from the fan, but May 17, 2018 · The fact that the viscous fan, even in perfect working condition (high slip at lower temps, which with the years often turns into no slip at all or continuous slip), always turns along with the engine, adds unwanted rotating mass. 02 worth of speculation. Like on a 93 taurus. 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 Aug 9, 2010 · or you could just dump the fan - I did about 2 years ago, I kept the viscous one just in case I needed when laning but have never fitted it - even when towing the big kit trailers up boggy lanes to site or me trailer tent up the m'way ( or over certain mountain passes that we have up the road). https://kit-masters. By offering both genuine BorgWarner ® parts and our line of Spectrum Modular Viscous Fan Clutches, we cover the medium/heavy duty viscous fan clutch market better than anyone in the industry. 67 posts 1; 2; Next; Rich_325_sport E30 Zone Newbie Posts: 20 Joined: Sun Jun 05, 2005 Electric fan Vs Viscous fan? Need technical Q/A then you're in the right place. Also all the 100a fuse and 100a relay talk is BS. Dec 28, 2022 · If maximum heat extraction is the goal, I think the stock fan is what you want. Bigger fans move more air. You can only fit a relatively weak electric puller fan. The auxiliary fan just behind the kidneys, and the mechanical fan just in front of the engine. Due to the location of the pusher fan (right behind the front bumper), they always seem to have a high failure rate compared to the viscous fan. 3. Fan clutches and electric fans serve the same purpose in a vehicle – to cool the engine – but they operate differently. If you all remember my issue was never about cooling my car, but cooling the ac temps at the vent. Over the past 155k miles, the electric fan failed twice: once because of a loose wire and once because of a defective thermo switch. It won't fit. My question is, is the standard viscous fan better, or is it a good idea to go to an electrical fan? My girlfriends father is one of the guys that recons electrical is better than the standard mechanical, and he has changed his 1400 to an electrical one, which works fine but is there any advantages. Jul 24, 2017 · Brand new genuine Toyota Viscous Fan Hub Repairing and adjusting a viscous hub. Mechanical fans are seldom ever at peak efficiency in stop and go traffic and are irrelevant at highway speeds. Selain mahal, sebenarnya viscous fan sangat membebani putaran mesin. I have brand new "Jaguar" clutch unit but i only have a 5-blade viscous fan. But the electric fan only turns on when needed. when accelerating, the electric fan has a marginal advantage in not holding back the motor but you don't get power for nothing. Feb 4, 2006 · Search titles only; Posted by Member: Separate names with a comma. There is an old wives tale on the internet that viscous clutch fans flow 10,000 CFM, and that they are better than electric fans. Finding replacement electric fan in say Bolivia will be easier than a 300tdi fan clutch. Manufacturers only install electric fans on transverse engines because they know they're excrement. Based on cooling requirements, the ECM sends a signal to the viscous fan clutch to increase or decrease the fan speed. Nov 19, 2017 · of engagement of the electronically controlled viscous fan clutch by monitoring coolant temperature, intake manifold temperature, air conditioning pressure and transmission oil temperature. Aug 19, 2018 · There are several people over on Bimmerforums who run the factory electric auxiliary cooling fan by itself, without the mechanical/viscous/clutch fan. Quick Function Check The EV cooling fan can be controlled in Feb 9, 2009 · I drive a 1997 Hilux 2. I really wouldn't want two electric fans. Also, v6 factory electric fans push (pull) more cfm than most any after-market elec fan. On the 80 series Land Cruiser, some of the hubs allow you to adjust what temperature it kicks in and out, and you can vary the amount of viscous fan hub oil inside, which also does the same thing. 1 import motor. When the electric fan packed up I removed it and put the viscous one on. Jun 26, 2006 · 1994. It only needs to run while idling and a minute or so after. When the fan is off, the silicone fluid rests in the reservoir. Jul 5, 2012 · In stop an go traffic the electric fans will come on and operate at peak efficiency regardless of what is going on. The v8 thermostat opens at a highish 98 degrees, and the fans etc will kick in and out to keep the temp under control Jun 30, 2021 · This guide will go through the reason why your fan clutch may be faulty and how to diagnose step-by-step Engine fan consume the largest portion of the energy supply from the engine, up to 10% Fan clutch functions includes: Reduce fan energy consumption Reduce friction and noise Regulate engine temperature Reduce dirt and impurities Saves fuel How viscous fan clutch works When the engine is in Jan 27, 2011 · The electric fan is rated to pull 300 cfm more air then the original jeep fan . Their specs say that they can move almost same as the viscous fan can at full speed. I feel it tows better since and put the improvement down to the fact that a lot more air is passing over the intercooler with a consequential power increase. As temperatures increase, the clutch engages so that the fan is driven by engine power and moves air to cool the engine. Worked great even in Vegas heat. A more extreme application would be a second battery to power the fan directly as I would estimate the weight of an extra battery would be less a drain on horsepower vs. aubthp mwipm hogzbsup hanwuz ltma lfbz nxckj qegxhj xtsewtm jtt