I'll build a small circuit to reverse the direction of the fan every few minutes for 20 seconds or so to clear the grass anyway. A radiator cooling fan is device that can help regulate engine temperature by pulling air through a radiator. Just like an electric fan needs to be sized to a radiator, a radiator needs to be sized to an engine. Universal 16" Electric SPORTS Fan - Fan Set up as PULL A upstream (pusher) fan sits flush up to the front of the radiator core.A downstream (puller) fan on the other hand sits right behind and flush with the rear of the radiator core. That's the direction the air is traveling through the engine bay when you drive. If you desire a more quiet fan then the curved is the way to go but if you need all airflow possible, go for the straight blades. Measure the area with the existing fan and shroud removed to find out how much room you have to work with. In addition to that, the Radiator Fan is made for puller applications making it ideal for heavy-duty trucks, street rods and muscle cars The Radiator Fan produces 4,000 CFM, and each fan draws 24.8 … Pull fans mount on the inside of the radiator, and they pull the air across the radiator. How to ensure your Holley carburetor is using the right power valve for your engine. Holley carburetors have powered every NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Radiator fans work by pulling or pushing air through a radiator. The fans can also be configured as a puller or pusher, if mounted on the inside it will pull the air through the radiator. Another factor to look at is the current draw. To get maximum airflow through your radiator core, you should use a fan shroud. Larger fans will keep your car idling in the heat for longer period of time without overheating. A more powerful electrical fan can draw air through multi row radiators and air conditioning cores. For more information regarding the products shown on this video, find our fans here at Holley.com. A pusher fan sits in front of the radiator. Using radiator as intake on the other hand hardly effects GPU temps in game. Drivetrain Mounts, Engine Plates & Spacers, Direct Fit Remote Mount Twin Turbo Systems, Distribution Blocks, Filters, Adapters and Fittings, Microswitch and Solenoid Mounting Brackets. N.B. The slow speed fans with 1350RPM with a 25mm fan thickness provided the best performance in a pull condition. When a vehicle is moving, a pusher fan can obstruct airflow due to its positioning in front of the radiator. A-Team Performance 130031 Electric Radiator Cooling Fan Cooler Heavy Duty Wide Curved 10 S Blades 12V 3000 CFM Reversible Push or Pull with Mounting Kit Black 16 Inches 4.4 out of 5 stars 101 $41.99 Always allow some clearance between the fan motor and engine, you do not want these parts touching each other. Purely from a "getting the maximum amount of cool air flow" point of view. For low fan speeds you'll need less dense radiators and possibly push/pull on thicker radiators. Yes you can reverse the direction of an electric fan, but the blade design for push vs. pull is different. See details - 16'' 16 Inch 12V Thermo Fan+Mounting tabs Pull Push for car intercooler Radiator Watch Sold by asi_performance_aus ( 2676 ) 98.5% positive Feedback Contact seller Put the fan in the best place to mount the fan. When it comes to diameter, you should get a fan that covers as much of the radiator core as possible. The vacuum operated power enrichment system is controlled by a Power Valve that times the operation to your engine's specific needs. All Rights Reserved. The wild contraption made more power with every pull and began gobbling down Ethanol. I prefer top-mounted for aesthetics, the build with front/intake radiator mount is simply because the case did not support top/exhaust with the … Without going into boring details I'm about to built a different cooling system for my Walker MDD ride on mower, it's an older model that commonly suffered from overheating issues due to a non reversible fan and poor grass discharge design. We have relay kits designed to integrate with OEM wiring. Let's not spoil the ending, but you won't want to miss this video!Read More, A line-lock device is a great way to perform a burnout without destroying the brakes on the driven wheels in the process. In 2013 he made that dream a reality by purchasing a 340 6 pack, 4 Speed Cuda from Florida. Puller fans provide more cooling capacity than pusher fans. When a vehicle is moving, a pusher fan can obstruct airflow due to its positioning in front of the radiator. He towed it home to Tennessee where he worked on it every weekend for 5 years. What makes a difference is the fan that you use. Holley has been the undisputed leader in fuel systems for over 100 years. Manufacturers rate fans by CFM. this might get more attention in the Water Cooling section Check reviews and buy NINTE Universal Slim Fan Push Pull Electric Radiator … Sending units offer hands free control of your electric fans, simply choose a sender with the on/off temperatures that best fits your needs. As far as it can tell air is moving past it. Whether a fan is considered push or pull depends on whether the air is being pushed/pulled through the radiator, doesn't relate to the radiators location or even whether its intaking/exhausting air. This article says more! Mechanical fans rely on engine rpm and when sitting at idle, they just don’t spin fast enough to keep your engine cool. The brushless fuel pump controllers were switched from low output to maximum fun and a glory pull was in his sights. It pulls air through the radiator and has less impact on airflow at high speeds than a pusher fan since it is behind the radiator. They are not interchangeable, so be sure you know which type is in your car. Pulls air through the radiator, and then blowing it across the engine helps cool it as well. The finished car joined the Holley crew at MoParty 2020 and man is it a looker. Trademarks belong to their respective owners. Read More. Read More, YouTube star Rob Damn has finished his billet four-rotor rotary engine and it is time to strap the all wheel drive Mazda RX7 onto the chassis dyno. However, cooling fans are not responsible for the majority of airflow through … You would be pulling even hotter air through the radiator ==> not as much temperature differential between coolant/outside air ==> not as much heat exchange ==> cooling system … The reason being is if I have the fan on the outside and have it push the air I'll end up with a large amount of grass clippings caught between the fan and the radiator. Radiator Fan, Biuzi 12in Pull/Push Car Engine Radiator Fans Car Radiator Fan Engine Bay Mounting Kit Auto Modified Parts £31.62 £ 31 . I doubt that you will ever want to run the fan pulling air from the engine compartment. Always choose a puller fan but if space is an issue then use a pusher fan. As others have pointed out, the efficiency difference is negligible. Simply said, the radiator fan, located between the radiator and the engine, is responsible for cooling the car and made the driver and passengers feel so … Buy NINTE Universal Slim Fan Push Pull Electric Radiator Cooling 12V Bottom Row 12 Inch at the lowest price on nintestore.com. When choosing an electric fan, here are a few factors you should be aware of: Electrical fans can either push air through the radiator or pull air through it. Also in Tools, Shop Equipment & Chemicals -. ️ 10inch 12inch 14inch Universal Car Radiator Fan Slim Push Pull Electric Engine Cooling Fan 12V More info: … on the other hand sits right behind and flush with the rear of the radiator core. Push or pull makes no difference to the radiator. Choose a relay kit with or without a stainless steel electronic sending unit. 6700K + 1080Ti. There we see the strengths of push-pull configurations – you can get a quieter system by running fans on significantly less RPM without sacrificing much performance. Thanks for watching. Mechanical fans also rob your engine of horsepower and fuel economy since they are driven off the crankshaft. Obviously, if the fan is mounted between the motor and the radiator, it would have to pull air. The radiator is marginal on 120F days and I can guarantee this car will overheat unless driven at 40-55 mph with A/C shut off on level ground on a 100F day with no radiator fan. Here's how simple it is to install a line-lock onto an S197 MustangRead More, Chet Biggers ‘1970 Plymouth AAR ‘Cuda was a dream car he wanted since childhood. 6600K + 1060. A fan shroud ensures that air is moving through the radiator core and not around it. Thicker XE radiator manages to pull significantly ahead, almost matching SE radiator in push configuration on 1600 RPM. An electrical fan provides constant airflow even when the engine is idling, when your engine needs it the most and since they are electric, they do not affect engine horsepower or fuel economy. Be sure to use a relay kit when wiring an electric fan. Luckily, Rob relied on Holley's VR2 brushless in-tank fuel pump system to keep the party going. If your using a turbocharger/supercharger or have a larger engine, then you will want the maximum CFM fan available. Most of the time a single fan is all you need but if you have added a much larger engine or are making big horsepower, then you may want dual fans to maximize the amount of airflow. If you’re not having a problem with overheating, then a single fan will suffice but if you have made significant upgrades such as a turbo or supercharger then dual fans will help provide the additional airflow needed. Car Radiator Cooling Fan Push or Pull 12" UNIVERSAL Aeroline® | Vehicle Parts & Accessories, Car Parts, Engine Cooling | eBay! So what is radiator and how about its function? However, the polarity of the wiring can be reversed, the blades can be turned around, it then will become a pusher mounted outside to push air through the radiator. The determining factor on whether to use a puller fan or a pusher fan is the amount of room you have. When making big horsepower on the street, keeping your engine cool is essential. On the other hand curved blades are quieter but don’t move as much air so it all depends on your application. Follow this general guideline: As a basic rule of thumb, the more power your engine makes, the higher the airflow you want. CFM stands for cubic feet per minute so an electrical fan with a 1,500 CFM rating will push 1,500 cubic feet of air per minute. Holley carburetors have a power enrichment system that provides fuel to the main power circuit during heavy loads or under full throttle situations. The more current a fan draws, the more airflow it will have. When a max airflow fan does not provide enough cooling and you have taken into account all the factors mentioned, then you might consider looking into a larger radiator. 62 5% coupon applied at checkout Save 5% with voucher Consider push/pull to buy back some quietness or even lower temps. So my question is, I'm going to mount an electric fan on the radiator, which is side on to the mower (so not at the front like a car), am I better to have it pull the air through the radiator, or mount it on the other side and have it push it through? Exhausting air form inside the case through a radiator may give you a few degrees higher CPU temp in games because GPU makes a lot of hot air. Sitting in heavy traffic with a high horsepower engine, a mechanical fan just won’t cut it. one fan wired to push & pull? 280mm radiator top-mounted, pull-exhaust configuration. By taking into account these simple points, choosing the right electric fan for your vehicle will be straight forward and keep your engine happy for years to come. © 2021 Holley Back in the olden days the fan was mounted directly to the front of the engine, so pull was the only option. A puller fan on the other hand sits right behind the radiator. 240mm radiator front-mounted, push-intake configuration. To answer this, it seems like the consensus is in favor of the pull style fans. Since radiators are designed to allow coolant to shed heat via the mechanism of convection, a radiator is always more effective when there is air passing through its core. it is a matter of effenciency. And put a shroud around it to make sure all the airflow is actually going through the radiator. Edit : A huge thanks to everyone that posted.. unfortunately I'm going to have to go with mounting the fan on the engine side of the radiator and having it pull the air through. They simply can’t compete with electrical fans when it comes to efficiency. Make sure you use one in your vehicle. Electrical fans can either push air through the radiator or pull air through it. You don't want your fan to fight against wind. Generally the push fans are high static pressure (usually 3-pin DC). If the fan isn't nicely shrouded it's only pulling air through the diameter of the fan itself, whereas a pusher fan is blowing air at the radiator whether or not it's perfectly mounted So for that reason I put a pusher on my car as an auxiliary and it works great despite being pretty small and mounted in a less-than-ideal spot on the radiator. Straight blades move more air but are noisy. A pusher fan sits in front of the radiator. A radiator is useless without airflow, a fan shroud helps direct air through the core. Push Vs Pull- This depends on fan speed/power. Many vehicles today use electric high speed radiator fan to push or pull air through the radiator and disperse engine heat. Generally the push fans are high static pressure (usually 3-pin DC). The key is to find the correct ratio between the 'push' and 'pull' fans. Straight and curved fan blades come down to a difference in noise versus airflow. The key is to find the correct ratio between the 'push' and 'pull' fans. Push or pull makes no difference for the radiator. A radiator only works if there is airflow through the radiator core. Re: electric fan ideas? The high speed fans at 2000RPM with a 38mm fan thickness provided the best performance in a push condition. 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. The car radiator fan plays a major role in ensuring that the car is cooled whenever its temperature rises. This ensures worry-free performance for years to come. Make sure to get a high performance electric motor that is sealed and prevents contamination from dirt and water. on the other hand sits right behind and flush with the rear of the radiator core. Biggers even went so far as to spray the paint in a rented booth with a little help from his pops. It measures 26″ wide by 18″ from top to bottom and an overall depth of 4 inches to offer adjustable and precision fit. As its name implies, the electric radiator fan is controlled by an inbuilt electric motor. Straight Fan Blades and Curved Fan Blades. A push fan mounts between the radiator and the outside of the car – it pushes air from the outside through the radiator. If your electric fan is failure,the temperature of the hood will be higher.what’s worse,it may make the engine out of work.Replace the electric fan on time is a way to protect your vehicle. We went through this on this forum several months A puller fan on the other hand sits right behind the radiator. Is it better to have a radiator fan push or pull the air. Universal 14" Electric SPORTS Fan - Fan Set up as PULL A upstream (pusher) fan sits flush up to the front of the radiator core.A downstream (puller) fan on the other hand sits right behind and flush with the rear of the radiator core. And nearly every NHRA® Pro–Stock champion for four decades fuel systems for over 100 years the... Ahead, almost matching SE radiator in push configuration on 1600 RPM 's the direction of electric! And put a shroud around it circuit during heavy loads or under throttle! ' and 'pull ' fans throttle situations know which type is in your car when you.... 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On this video, find our fans here at Holley.com in a rented booth with a 38mm fan thickness the! 'Push ' and 'pull ' fans you will ever want to run the motor! Come down to a difference in noise versus airflow as to spray the paint in a pull.. Tennessee where he worked on it every weekend for 5 years push air through the radiator belong to their owners... The heat for longer period of time without overheating high static pressure ( usually 3-pin DC ) and! Electric high speed fans at 2000RPM with a high horsepower engine, then you want. Idling in the best performance in a rented booth with a high performance electric motor is. Moving through the radiator compete with electrical fans can either push air through a radiator, and pull... Temperatures that best fits car radiator fan push or pull needs 100 years longer period of time without.. No difference for the radiator to make sure to get maximum airflow through your radiator core as.. 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