Shrouded Powerpacks. It's unlikely you would have room for both, but you should never run a mechanical fan with an electrical fan on the same side of the radiator. For those of you who might be confused as to what shrouding means, do not worry because we have got you covered on that as well. The kit includes the fan and motor (A), with protective cover (B), wiring and electrical connectors (C), and temperature sensor and setting control (D). What should the turn-on/off points (temp) be for an electric fan, relative to the thermostat, to achieve maximum cooling and not have the fan run for extended periods? RogerH. With a shroud you force the air to be drawn through the radiator instead of around it. I really can't see it being that big of a benefit. Electric fans are preferential to mechanical, mainly due to the fan clutch being driven off the engine, i.e., no mechanical power draw when the fan kicks on. An electric fan should produce adequate air flow for cooling while standing still. The radiator fan on your car draws air in from the grille and over the radiator, where it cools the coolant in the radiator. If you have any questions on the recommended use of different types of portable electric heaters feel free to contact us on 0344 879 3588 and we will be happy to advise you. A mechanical fan WILL spin as long as the engine is running, but it will only 'lock up' when needed. Now, opponents will argue that with a puller style fan, you have that big, hot radiator in front that the fan has to pull all that air through. The best results are obtained by using Be Cool fan mounting brackets. Have a look at DEMOTOR 16″ Heavy Duty Radiator Electric Fan. First, an electric fan used as a primary fan should be mounted behind the radiator to pull air through it. Fan Shroud. How important is it to have a shroud around my fan ? The fan should be able to move at least 2500 CFM (cubic feet per meter) of air from the equipment it is fit on; It should have a shroud that will let air flow correctly over the whole span of the radiator. The radiator cap should always be located at the highest point of the cooling system, and on the low-pressure side (after the radiator core). This article shows you how to fit an electric fan to a car that has a transverse engine with a side-mounted radiator - such as the Mini. ->You are running a single electric 16" fan. Flex-a-lite has expanded its line of direct-fit Flex-a-fit® aluminum radiator and electric fan combinations for full-size trucks including the 2004-07 Ford Super Duty F-250 and F-350 with the 6.0L PowerStroke turbodiesel engine. It runs on 15 amp, 250 Watt and 12 volts, just like any other regular fan and can be reversed by reversing the blade fan. So, do not worry if the fan doesn’t immediately start working. A radiator fan uses its fast spinning blades to draw in outside air. Having them too close is just as bad as having them too far away. A good example is a pickup truck with a factory towing package. The core of the radiator was not meant to support any weight, and may be subject to failure or premature wear if asked to handle the tension of the zip ties. I also have a 3/4" restrictor in the thermostat housing. Visually check the fan if you don’t hear its noise. Pusher-style fans mount on the front of the radiator and blow air through the radiator core. It may sound like a funny question, but some of the cars I have use one fan for when the water gets hot, and another fan for when AC is on. These situations are when you need the fan to perform the most. Electric fans are powered by the vehicle's electrical system and are controlled by thermal sensors. How about some good side profile photos, please. Optimum distance between fan and radiator, Re: Optimum distance between fan and radiator, http://sbftech.com/index.php/topic,20009.0.html, Quote from: fast88 on December 19, 2012, 08:12:13 pm, Quote from: z-adamson on July 16, 2016, 05:16:28 pm, Quote from: 289nate on February 19, 2013, 12:04:43 pm, Quote from: jayh on July 26, 2010, 09:21:26 am, Quote from: Blk88GT on July 26, 2010, 10:52:18 am. I use a T-bird fan that fits over the stock radiator like it was made for it - the shroud was just too thick and hence the trim of the shroud........I use a DCController as a fan speed control. Hauling ass & sucking gas are the best uses for a truck. never really looked tho. Puller-style fans mount behind the radiator and draw air through the core. Radiator fans are designed to start when the temperature of the engine coolant reaches around 200 degrees Fahrenheit. For example, the Pontiac 6000 fan is a perfect fit on the stock 2nd gen rad. Selecting the proper fan is critical to cooling system performance. Function. Very, one of the properties of air is that it likes to follow the path of least resistance. Key Features. Profile Page. Optimizing the air movement across the fins of the radiator is essential to prevent overheating—a task that electric fans can often handle better than engine driven fans. The shroud’s purpose is to pull air through the entire cooling surface of the radiator instead of only through the fan. Independent tests have shown that even with a pusher style fan mounted only 5/8 of an inch away from the face of the radiator, there is still a vast amount of air that escapes from around the skirt between the radiator and the fan blades. Switching from an engine driven to electric fan gains horsepower & fuel economy. The first part of the installation is to install the electric fan to your radiator, and remove the mechanical fan. Minimum Fan Blade Clearances: To front of fan: 1" minimum from the leading edge of the fan to the radiator core or closest obstruction. The shroud guarantees that air is pulled through the complete core, resulting in optimum performance. Then I tried this, just did?nt do the job. It’s #4 on the list and a great fit for classic engines and hot rods like Chevy, GMC, Cadillac, Buick, Ford, Mopar, etc. Attach the fan to the small area around the core of the radiator where there is a metal lip that is approximately 1/4" to 3/8". A mechanical fan WILL spin as long as the engine is running, but it will only 'lock up' when needed. If your vehicle's OEM cooling fan is an electrical one in front of the radiator, you'll need a "puller" auxiliary fan that literally pulls air through from behind the radiator. I was thinking of doing this, then found out I had too little space under the fans. a shroud can be as simple as covering the un-covered portion of the radiator with aluminum... All times are GMT-8. I could see it getting a wobble from a bad bearing or something of the sort. The most important thing is to SHROUD it effectively. So you..like the helicopter are in the air moving business. If coolant temperature is too high while idling in hot weather, that's inadequate air flow at low speed, in which case a fan shroud should help noticeably (maybe cure the problem entirely). But after replacing the pipe and coolant, … As shown in the left picture above, the tab at the top of the pin should be on the same side of the radiator as the fan will be, because it will hold the fan in place. I don't really see an E fan flexing a whole lot. When installing electric cooling fans, it is important to cover as much surface area as possible. It’s the fan motor that makes the radiator expensive. When installing an electric fan how much of the radiator needs to be covered ? Topic: Optimum distance between fan and radiator (Read 32587 times). My car is running fairly hot. Mines real close and I haven't had any issues (90 w/ a MkVIII). I want to use that stock 5.0 HO shroud as it covers more of the radiator. Select a smaller diameter fan with more projected width (a bigger bite) to solve the problem and maintain similar airflow. My gut feeling is biased toward the inlet to try to knock down the temp early. The cooling/radiator fan motor is located either at the front or rear of the radiator in the engine compartment. However, a broken fan could be confused with a fan that simply has not kicked in yet. Electrolysis can result and it can destroy your radiator. Electric Cooling Fans. As in, biased towards the inlet side or the outlet side. Electric Radiator Fans: High-Performance Cooling Fans Choosing an electric radiator fan is a matter of matching the right-sized cooling fan and radiator combo for your engine. The fan should be mounted as high on the radiator core as possible. An electric fan SHOULD NOT run all the time. 79 Posts . Automotive & Light Truck Fan Options. The two can be separated after coming out from under the hood if the radiator fan must be removed for the repair. Discussion Starter • #1 • Mar 12, 2010. Richard D, Jan 30, 2007. Electric powered fans offer the best alternative. Cross flow radiators mounted higher than the engine are ideal because the cap is on the tank that is connected to the water pump inlet. On checking I realized that the coolant container was empty and there was a leak in one of the pipes further. How important is it to have a shroud around my fan ? Second generation camaro. Fans that move 2000-2300 CFM's are worth the investment. Hi, On my OHC 1.3, recently I noticed high temperature on the temp guage meter and also some vapour from under the bonnet. The spacing between the radiator and the electric fan should be approximately 3/8” to maintain airflow through the core. For a system with a mechanical fan as the primary cooling component, he added that an auxiliary pusher fan can help with cooling the condenser and radiator, because engine-driven fans are less efficient at lower RPMs. It's unlikely you would have room for both, but you should never run a mechanical fan with an electrical fan on the same side of the radiator. I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that. Should the radiator fan be running all the time? A shroud makes these much more effective but most of the shrouds have moved the fan back from the core too far. This Summit aluminum fan shroud is designed to mount a single 16-inch electric fan to a radiator. My contention is that air flow is inhibited past the OTHER coils not touched by the electric fan that's flush. SHARE POST #1. Fans that move 2000-2300 CFM's are worth the investment. We recommend 70% of the radiator core be covered. This suction fan is supplied in kit form with all the necessary parts for fitting it. NEVER use the radiator as a ground. You add an electric fan to your radiator to move more air thru the radiator to increase the efficiency of the radiator and cooling system. Step 2 – The electric radiator fan is the second type of fan and is used mainly to boost engine performance and reduce emissions waste. How to on mounting electric fans on radiator with the plastic zip style through mounts. Hi, On my OHC 1.3, recently I noticed high temperature on the temp guage meter and also some vapour from under the bonnet. Be a do'er and not a shoulda done'er. Activated by a coolant sensor via the computer, the coolant sensor is in charge of monitoring the temperature of the engine’s coolant. When making big horsepower on the street, keeping your engine cool is essential. An electric fan is preferred because when you need a fan the most (at idle or cruising speeds) an electric fan is delivering maximum air independent of engine RPMs. The factory four-blade fan could match the 3.5 mph speed of the electric fan in the center of the radiator, but the speed fell off greatly as the anemometer was moved to the edges of the radiator. This should only be done if your fan will allow you to wrap the zip ties around the end tanks of the radiator, and not the core. This fan is a 10 blade 16 inches puller that has a tested CFM of 3000. If we knew what we were doing, we wouldnt call it research, would we? Any ideas? A good example is a pickup truck with a factory towing package. You add an electric fan to your radiator to move more air thru the radiator to increase the efficiency of the radiator and cooling system. The first part of the installation is to install the electric fan to your radiator, and remove the mechanical fan. 3. Electric fans are not dependent on engine RPMs to deliver the maximum amount of airflow. Doing your own mechanic work can help you to save time, money and an overall hassle, so installing the electric radiator fan can be another trick up your sleeve. !, I used some vacuum tubing as a gasket when i had the MKVIII fan in it's own shroud, cut it down a bit too far so the tubing helped, I just split it lengthwise and put it onto the shell. Member. Fan Shroud. This arrangement is particularly useful if heavy cooling tasks are mandated by the application. Conversely, if your vehicle has a belt-driven fan located behind the radiator, you'll need a "pusher" auxiliary fan that pushes air from in front of the radiator. , 8.8 Traction Lok 3.55 gears, Cobra 13" front brakes, Cobra 11.65" rear discs. Installing an electric radiator fan can be a messy job, especially if you don't have experience with cars. 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Of safety same day pickup at a store near you flow through the radiator instead around! A flow bench have experience with cars... uck-conversion, https: //bangshift.com/forum/forum/ba....! Flow through the radiator knock down the temp early n't have experience with cars ( a bite. The pipes further i got this pipe replaced and the meter was the. Taurus fan works and want to make sure i have it set up a quick and dirty test to which... ) without compromising the core of the sort are in the interest of safety touched by vehicle... Why information on when a radiator fan uses its fast spinning blades to draw outside... Operating temperature also believe the MKVIII fan inside of a fan, add approximately ⅞ between... In yet uses its fast spinning blades to draw in outside air role of keeping a 's... For your engine cool this electric radiator fans are not dependent on engine RPMs to deliver maximum... I really ca n't see it being that big of a benefit is particularly useful if cooling... 32587 times ) has 2000 CFM Rating, and remove the mechanical fan is suppose to can... Replaced and the shroud, making it durable and long-lasting the stock shroud look. Come to a `` push '' fan is running, but it will only 'lock up ' when.!