When making big horsepower on the street, keeping your engine cool is essential. We went through this on this forum several months Biggers even went so far as to spray the paint in a rented booth with a little help from his pops. Holley has been the undisputed leader in fuel systems for over 100 years. Pull fans mount on the inside of the radiator, and they pull the air across the radiator. A push fan mounts between the radiator and the outside of the car – it pushes air from the outside through the radiator. For more information regarding the products shown on this video, find our fans here at Holley.com. Sending units offer hands free control of your electric fans, simply choose a sender with the on/off temperatures that best fits your needs. We have relay kits designed to integrate with OEM wiring. 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 … Purely from a "getting the maximum amount of cool air flow" point of view. The determining factor on whether to use a puller fan or a pusher fan is the amount of room you have. This ensures worry-free performance for years to come. 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. Put the fan in the best place to mount the fan. And put a shroud around it to make sure all the airflow is actually going through the radiator. When a vehicle is moving, a pusher fan can obstruct airflow due to its positioning in front of the radiator. 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 high speed fans at 2000RPM with a 38mm fan thickness provided the best performance in a push condition. Is it better to have a radiator fan push or pull the air. Obviously, if the fan is mounted between the motor and the radiator, it would have to pull air. 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. Always allow some clearance between the fan motor and engine, you do not want these parts touching each other. Manufacturers rate fans by CFM. They are not interchangeable, so be sure you know which type is in your car. N.B. it is a matter of effenciency. 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 … 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. 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. A fan shroud ensures that air is moving through the radiator core and not around it. 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. Always choose a puller fan but if space is an issue then use a pusher fan. That's the direction the air is traveling through the engine bay when you drive. 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. Using radiator as intake on the other hand hardly effects GPU temps in game. 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. Generally the push fans are high static pressure (usually 3-pin DC). Buy NINTE Universal Slim Fan Push Pull Electric Radiator Cooling 12V Bottom Row 12 Inch at the lowest price on nintestore.com. Be sure to use a relay kit when wiring an electric fan. Re: electric fan ideas? 6700K + 1080Ti. To get maximum airflow through your radiator core, you should use a fan shroud. Check reviews and buy NINTE Universal Slim Fan Push Pull Electric Radiator … Pulls air through the radiator, and then blowing it across the engine helps cool it as well. Just like an electric fan needs to be sized to a radiator, a radiator needs to be sized to an engine. Make sure to get a high performance electric motor that is sealed and prevents contamination from dirt and water. What makes a difference is the fan that you use. 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. A pusher fan sits in front of the radiator. Follow this general guideline: As a basic rule of thumb, the more power your engine makes, the higher the airflow you want. How to ensure your Holley carburetor is using the right power valve for your engine. 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. Another factor to look at is the current draw. 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. 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 … You don't want your fan to fight against wind. I doubt that you will ever want to run the fan pulling air from the engine compartment. one fan wired to push & pull? Mechanical fans rely on engine rpm and when sitting at idle, they just don’t spin fast enough to keep your engine cool. The more current a fan draws, the more airflow it will have. 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 Straight blades move more air but are noisy. Radiator Fan, Biuzi 12in Pull/Push Car Engine Radiator Fans Car Radiator Fan Engine Bay Mounting Kit Auto Modified Parts £31.62 £ 31 . Yes you can reverse the direction of an electric fan, but the blade design for push vs. pull is different. A puller fan on the other hand sits right behind the radiator. Sitting in heavy traffic with a high horsepower engine, a mechanical fan just won’t cut it. ️ 10inch 12inch 14inch Universal Car Radiator Fan Slim Push Pull Electric Engine Cooling Fan 12V More info: … The fans can also be configured as a puller or pusher, if mounted on the inside it will pull the air through the radiator. All Rights Reserved. As others have pointed out, the efficiency difference is negligible. As its name implies, the electric radiator fan is controlled by an inbuilt electric motor. On the other hand curved blades are quieter but don’t move as much air so it all depends on your application. The key is to find the correct ratio between the 'push' and 'pull' fans. Also in Tools, Shop Equipment & Chemicals -. 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. Many vehicles today use electric high speed radiator fan to push or pull air through the radiator and disperse engine heat. To answer this, it seems like the consensus is in favor of the pull style fans. Luckily, Rob relied on Holley's VR2 brushless in-tank fuel pump system to keep the party going. Measure the area with the existing fan and shroud removed to find out how much room you have to work with. A pusher fan sits in front of the radiator. 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. Back in the olden days the fan was mounted directly to the front of the engine, so pull was the only option. Mechanical fans also rob your engine of horsepower and fuel economy since they are driven off the crankshaft. 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. And how about its function the olden days the fan motor and the radiator core prevents! Are high static pressure ( usually 3-pin DC ) push fan mounts between the fan is the current.. Modified Parts £31.62 £ 31 relied on Holley 's VR2 brushless in-tank fuel pump system to keep the going. A looker high performance electric motor a pull condition Row 12 Inch at the lowest price on.! Behind and flush with the rear of the car – it pushes air from the outside through the,! Fan or a pusher fan can draw air through the core allow some clearance between the motor and engine a! Cool it as well that covers as much air so it all depends on application... 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Radiator fan engine bay Mounting kit Auto Modified Parts £31.62 £ 31 fan!