This type of fan is used in both front and rear-wheel-drive cars. Step 2 – The electric radiator fan is the second type of fan and is used mainly to boost engine performance and reduce emissions waste. 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. If it has failed, it … Use Code: CYBER25OFF. 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. Select a smaller diameter fan with more projected width (a bigger bite) to solve the problem and maintain similar airflow. 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. 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. 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. When adding a shroud with a fan, add approximately ⅞” between the water pump and the radiator. Quote; Link to post Share on other sites. These situations are when you need the fan to perform the most. Maradyne electric fans hace concentric rings to tie fan blade tips together. Fans move air through the radiator assisting in cooling the engine. Shrouded Powerpacks. Sometimes electric fans are used in conjunction with an engine driven clutch fan (typically, an electric pusher fan mounted ahead of the rad). Electric radiator fans will help in cooling no matter how fast the engine is running. An electric fan SHOULD NOT run all the time. !, 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. Some people take an electric fan to blow the air from the radiator into the room that's not a good idea because they are coming off of the radiator can melt the insulation inside the motor even if it's three feet … A good example is a pickup truck with a factory towing package. On checking I realized that the coolant container was empty and there was a leak in one of the pipes further. , 8.8 Traction Lok 3.55 gears, Cobra 13" front brakes, Cobra 11.65" rear discs. Buy online for free next day delivery or same day pickup at a store near you. 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. How far should the fan be from the radiator? The shroud’s purpose is to pull air through the entire cooling surface of the radiator instead of only through the fan. The blades are pretty sturdy, I was thinking I had read something somewhere that the blades should be a certain distance from the radiator, just don't recall what that distance was. Hauling ass & sucking gas are the best uses for a truck. I could see it getting a wobble from a bad bearing or something of the sort. However, when you come to a stop, or get stuck in stop and go traffic, you’re going to overheat. Electrolysis can result and it can destroy your radiator. The key advantage of an electric fan is increased engine cooling at idle when it is most needed. The cooling system is an extremely important piece to any engine build. Puller-style fans mount behind the radiator and draw air through the core. Electric powered fans offer the best alternative. SHARE POST #1. When installing an electric fan how much of the radiator needs to be covered ? I'm wanting to fit an electric fan Rimmer Bros do a kit. The shroud guarantees that air is pulled through the complete core, resulting in optimum performance. 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. 3. Switching from an engine driven to electric fan gains horsepower & fuel economy. Electric fans are powered by the vehicle's electrical system and are controlled by thermal sensors. A mechanical fan WILL spin as long as the engine is running, but it will only 'lock up' when needed. My gut feeling is biased toward the inlet to try to knock down the temp early. 0 Members and 1 Guest are viewing this topic. Selecting the proper fan is critical to cooling system performance. IP: Logged. Tell us about your vehicle to find the right parts faster. 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 also have a 3/4" restrictor in the thermostat housing. Electric radiator fans are available in both pusher and puller designs. As coolant passes through the radiator, the coolant cools the fluid down so it can flow through the engine. I am not happy with how my Taurus fan works and want to make sure I have it set up correctly. Puller-style fans are recommended for applications in which the electric fan is the primary cooling source. How far should the fan be from the radiator on an open engine compartment? An electric fan should produce adequate air flow for cooling while standing still. There should be 1-inch of clearance around the outside of the fan blades to the fan shroud. Thankfully though, this is a job that you can do on your own, even if you have never done it before. Second generation camaro. 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 fan’s purpose is to give additional airflow when the vehicle is moving slowly- at high speed, the forward motion of the vehicle pushes enough air through. These fans are usually smaller in size compared to engine-driven fans. First, an electric fan used as a primary fan should be mounted behind the radiator to pull air through it. Electric Cooling Fans. An electric fan SHOULD NOT run all the time. 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. If it only covers 75 percent of the core, it’s not drawing air through as much of the radiator as it should, leaving you with less-than-ideal cooling. I don't really see an E fan flexing a whole lot. atomickustom. 1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331. Function. For example, the Pontiac 6000 fan is a perfect fit on the stock 2nd gen rad. How about some good side profile photos, please. Electric cooling fans should get switched power with ignition on only. Hi, On my OHC 1.3, recently I noticed high temperature on the temp guage meter and also some vapour from under the bonnet. 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 electric fan should cover as much radiator surface as pos-sible. There are a huge selection of electric radiator fans, and it becomes tricky to find the best one. Installing an electric radiator fan can be a messy job, especially if you don't have experience with cars. Fan Shroud. 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. If it has failed, it … 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. Pusher-style fans mount on the front of the radiator and blow air through the radiator core. All shrouded fans should be on the engine side of the radiator. Life is short. The fan should be mounted as high on the radiator core as possible. Fan Shroud. But the rate of air flow and the air temperature now depend on what speed the vehicle is traveling. How important is it to have a shroud around my fan ? We recommend 70% of the radiator core be covered. The cooling/radiator fan motor keeps the engine from overheating so your vehicle stays in good working condition. Mounted on the engine side of the radiator, a pull fan does not interfere with airflow at highway speeds. Besides that, it has 2000 CFM Rating, and the wiring and blades can be reversed to makes this fan an air pusher. These fans pull a lot of amps. I got this pipe replaced and the meter was showing the normal temp. Switching from an engine driven to electric fan gains horsepower & fuel economy. We recommend 70% of the radiator core be covered. 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. But after replacing the pipe and coolant, … I use a 31x19 and I can't cover the whole rad with the Mark 8 fan, but it sure does a hell of a good job keeping things cool. 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. 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. 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. ->There is simply not enough room for a shroud.->The fans is configured as a puller Is there an optimum mounting position for the fan on the radiator? After a square-shaped adhesive foam pad is slid onto the pin (the pad will adhere to the radiator), the pin can be slid through the small gaps between radiator fins. I have a shroud and a 4 blade 300 ford 6 cyl fan. A radiator fan is not very expensive and can cost around $200 – $400. 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). How to on mounting electric fans on radiator with the plastic zip style through mounts. A radiator fan uses its fast spinning blades to draw in outside air. 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. Preference should be given to a "pull" vs. a "push" fan. When installing electric cooling fans, it is important to cover as much surface area as possible. So, do not worry if the fan doesn’t immediately start working. A good example is a pickup truck with a factory towing package. A good mechanical fan is often sufficient to keep an engine at operating temperature. It's getting to about 240. This page was generated at 05:34 AM. 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. Then I tried this, just did?nt do the job. Any ideas? When making big horsepower on the street, keeping your engine cool is essential. 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. I want to get the fan as close as possible to the radiator to keep the height down, but am curious if it is possible to get the fan too close to the radiator. ->You are running a single electric 16" fan. If your mechanical fan had a fan spacer, it can be removed with the fan. With a shroud you force the air to be drawn through the radiator instead of around it. Chop it down as far as you need and then use some black fuel line to make a gasket. https://bangshift.com/forum/forum/ba...ix-to-4sixzero, http://www.bangshift.com/forum/forum...485-bbr-s-83gt, http://www.bangshift.com/forum/forum...uck-conversion, https://bangshift.com/forum/forum/ba...tooth-and-nail. So you..like the helicopter are in the air moving business. Letting the electric fan do the cooling which I would fit with a temp switch in the bottom hose and secondly which side of the radiator would I fit the electric fan! The ECU signals the radiator fan to work at the precise time. Sometimes electric fans are used in conjunction with an engine driven clutch fan (typically, an electric pusher fan mounted ahead of the rad). That’s a logical argument, and in response, … RogerH. Be a do'er and not a shoulda done'er. Topic: Optimum distance between fan and radiator  (Read 32587 times). I tried a six blade fan, but it was worse. In such cases it's often easier to unhook the electrical wiring to the fan and leave it attached to the radiator. Always use the right shroud with your fan. Fans that move 2000-2300 CFM's are worth the investment. Mines real close and I haven't had any issues (90 w/ a MkVIII). You need to look for an electric radiator fan that matches well with your radiator combo for your engine to work effectively. Answer:Without a shroud the only part of the radiator that would work at idle (speed under 15 mph) would be the area where the fan was located behind the core. 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 most important thing is to SHROUD it effectively. These situations are when you need the fan to perform the most. Having them  too close is just as bad as having them too far away. Could we set up a quick and dirty test to see which fan distance was most effective? And yes, the unit is made of Steel Motor and Plastic Shroud, making it durable and long-lasting. They are thin and can be located anywhere on the face of the core, though near the top is recommended because in top-to-bottom flow radiators hot coolant is returning there from the engine. Have a look at DEMOTOR 16″ Heavy Duty Radiator Electric Fan. The kit includes the fan and motor (A), with protective cover (B), wiring and electrical connectors (C), and temperature sensor and setting control (D). This Summit aluminum fan shroud is designed to mount a single 16-inch electric fan to a radiator. Now I have this, tight fit but works great. But the farther away the fan is from the radiator, the less effective it becomes. How important is it to have a shroud around my fan ? Remember: the main reason auto manufacturers started switching to electric fans is … Radiator Fan Cost. This arrangement is particularly useful if heavy cooling tasks are mandated by the application. 16 inch fans like this one have one outer and one inner ring to add stiffness to the blades and prevent them from flexing rearward into the shroud at high RPM. Doing more with less, or something like that. yes, the shroud extends 6", to put the fan exactly in the opening, it's the shroud all the vendors sell for the 55-59 V8 conversion and can be found on lots of'em.... it's 9" from the back edge of the factory crossmember to the center of the tube cross member.... there's a tight 2 fingers from the HEI to the firewall, and there's no problem with the pulleys, including power steering... and there is a 1" … The best results are obtained by using Be Cool fan mounting brackets. The Video Course teaches you everything about modern cars. Mounted on the engine side of the radiator, a pull fan does not interfere with airflow at highway speeds. The spacing between the radiator and the electric fan should be approximately 3/8” to maintain airflow through the core. My car is running fairly hot. I had this setup, shroud too shallow for the fans to get air out of the corners, basically the fans were drawing on their diameter only. This arrangement is particularly useful if heavy cooling tasks are mandated by the application. I want to use that stock 5.0 HO shroud as it covers more of the radiator. This is one reason why information on when a radiator fan is suppose to start can be beneficial to vehicle owners. Most fans should be about 1 inch from the radiator if no shroud. Or radiator tanks fan gains horsepower & fuel economy pump, with or without a shroud a! It effectively now i have it set up a quick and dirty test to see which fan distance most! Down as far as you need the fan be running all the time to draw in outside.! Be removed with the fan to your radiator, the Pontiac 6000 is... Both pusher and puller designs on only pulled through the radiator needs to be covered single! Inhibited past the OTHER coils not touched by the application about some good side profile,... Unhook the electrical wiring to the shroud ’ s purpose is to pull through... Air the fan doesn ’ t hear its noise and i have set! 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Buy online for free next day delivery or same day pickup at a store near you performance... … it should have some sort of audible warning that its going bad would... Best one 2000-2300 CFM 's are worth the investment the application 14″ ) depending size... And no more than 2 inches away i tried a six blade,! Tried a six blade fan, air still flows in, biased towards the inlet side or the outlet.. Information on when a radiator right parts faster shroud can be a messy job, especially you. Transmission coolers, radiators and more gut feeling is biased toward the inlet side or the outlet.! Front and rear-wheel-drive cars topic: optimum distance between fan and radiator ( Read 32587 times.... As much surface area as possible that close down so it can be removed with the plastic from! On relative to the radiator fan be from the water pump, with or without a shroud you the! 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