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. from Joplin, Missouri. The cooling/radiator fan motor keeps the engine from overheating so your vehicle stays in good working condition. When installing an electric fan how much of the radiator needs to be covered ? RogerH. Electric radiator fans are available in both pusher and puller designs. 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. If it has failed, it … Switching from an engine driven to electric fan gains horsepower & fuel economy. 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? true, I also believe the MKVIII fan in the stock shroud would look a bit better as well. Flex-A-lite recommends that the fan blades be within 1 inch of the radiator and no more than 2 inches away. 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". Chop it down as far as you need and then use some black fuel line to make a gasket. 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. Any ideas? The key advantage of an electric fan is increased engine cooling at idle when it is most needed. This will allow mounting of the fan(s) without compromising the core of the radiator. 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. But after replacing the pipe and coolant, … 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. Suction fan kit. I'm working on putting a MKVIII fan inside of a stock mustang fan shroud. flush against the radiator. 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. Thanks in advance. , 8.8 Traction Lok 3.55 gears, Cobra 13" front brakes, Cobra 11.65" rear discs. So you..like the helicopter are in the air moving business. I am not happy with how my Taurus fan works and want to make sure I have it set up correctly. 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. Maradyne electric fans hace concentric rings to tie fan blade tips together. We recommend 70% of the radiator core be covered. Hi, On my OHC 1.3, recently I noticed high temperature on the temp guage meter and also some vapour from under the bonnet. Electric fans are not dependent on engine RPMs to deliver the maximum amount of airflow. Electrolysis can result and it can destroy your radiator. Thankfully though, this is a job that you can do on your own, even if you have never done it before. As coolant passes through the radiator, the coolant cools the fluid down so it can flow through the engine. I don't think the electric blades flex - I haven't had any issues. 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. Fan Shroud. An electric fan and shroud will out-perform an engine driven fan at idle, stop & go, or in-town driving. On checking I realized that the coolant container was empty and there was a leak in one of the pipes further. I'm wanting to fit an electric fan Rimmer Bros do a kit. Discussion Starter • #1 • Mar 12, 2010. 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. However, a broken fan could be confused with a fan that simply has not kicked in yet. 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. And yes, the unit is made of Steel Motor and Plastic Shroud, making it durable and long-lasting. Sometimes electric fans are used in conjunction with an engine driven clutch fan (typically, an electric pusher fan mounted ahead of the rad). If your mechanical fan had a fan spacer, it can be removed with the fan. ->The fan does not cover the radiator surface (31x19). Activated by a coolant sensor via the computer, the coolant sensor is in charge of monitoring the temperature of the engine’s coolant. 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. Select a smaller diameter fan with more projected width (a bigger bite) to solve the problem and maintain similar airflow. The two can be separated after coming out from under the hood if the radiator fan must be removed for the repair. Step 2 – The electric radiator fan is the second type of fan and is used mainly to boost engine performance and reduce emissions waste. 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. This is one reason why information on when a radiator fan is suppose to start can be beneficial to vehicle owners. Should the radiator fan be running all the time? Remember: the main reason auto manufacturers started switching to electric fans is … 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. So does an electric fan shroud that also mounts flush, block other areas of the radiator actually HELP or INHIBIT cooling to the engine. How important is it to have a shroud around my fan ? First, an electric fan used as a primary fan should be mounted behind the radiator to pull air through it. a shroud can be as simple as covering the un-covered portion of the radiator with aluminum... All times are GMT-8. I want to use that stock 5.0 HO shroud as it covers more of the radiator. How far should the fan be from the radiator? RogerH. A radiator fan is not very expensive and can cost around $200 – $400. If you’re moving, air will flow over the radiator and cool it down. !, 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. With a shroud you force the air to be drawn through the radiator instead of around it. Puller-style fans are recommended for applications in which the electric fan is the primary cooling source. The cooling/radiator fan motor is located either at the front or rear of the radiator in the engine compartment. When looking to buy an electric heater, choose to buy from recognised manufacturers and retailers and demand that the product shows the BEAB mark as an assurance of safety. mine is real close and personal - had to cut the shroud down to get it that close. No fan should be needed for running at normal road speed. However, when you come to a stop, or get stuck in stop and go traffic, you’re going to overheat. Switching from an engine driven to electric fan gains horsepower & fuel economy. I think the biggest thing is you want the fan sealed to the shroud, and the shroud sealed to the radiator. So you..like the helicopter are in the air moving business. We recommend 70% of the radiator core be covered. Cores larger than 24″ in length can use two fans (12″, 13″ or 14″) depending on size of core. 1997 Ranger 5.0L HO, GT40 heads/tubular intake, 65mm TB, 1.7rr, B303, Tri-Y headers, dual 2.5" exhaust, Flowmaster mufflers, T5 trans, Tri-Ax shifter. 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