Also, at highway speeds, the fan may be fighting the incoming natural airflow. 1) Add an electric fan. To answer this, it seems like the consensus is in favor of the pull style fans. Only choose a mechanical fan over an electric fan if it's your farm tractor. There are two modes of operation on most electric fans and they are categorized by the direction of air flow through the radiator: Pull fans: these fans pull air through the radiator and are located on the engine side of the radiator. Our fan takes full advantage. ; the core of the radiator is approximately 371 sq. If a blade is angled down and the fan turns in the same direction as the blade angle, it will blow forward. Mechanical fans attached to a water pump, Proper maintenance (regular flushing and changing of coolant) will extend the life of your system. American Volt sells 12V automotive electric radiator cooling fans, thermostat switch kits, auto fan relay wiring harnesses, adjustable thermostat controllers ... How do i reverse fan direction? 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. 8. The controller (low power) controls a relay (high power) 99 $50.58 $50.58. 2) Shroud your fan. the larger the CFM rating of the fan. The relative merits and technology of curved vs. straight fan blades have been debated for some time. Always use the right shroud with your fan. Without adequate airflow, a radiator is just a reservoir for hot water. directly to the front of the water pump. Pollution laws, new oil blends and higher combustion gasoline have forced engine design changes that have increased operating temperatures over the past decade. google_ad_slot = "6369798871"; Generic 12″ Electric Radiator Cooling Fan. For example, on a '32 Ford, the area of a 15.50" fan is about 189 sq. 8) Overdrive the water pump 20-30%. The controller will have a screwdriver adjustable set point so you can tailor the turn on point to your needs. ; air moving through the fins dissipates the heat from the radiator. Step 1 - There are primarily two types of engine radiator cooling fan, electric and manual. Silicate is an abrasive and can cause gel formation and water pump failure. It is very easy and inexpensive to update a fixed blade fan to a flex fan. Contact . using power needlessly. 7. Consider the investment compared to the total cost of the car. The Rear or Exhaust side (the side that the air comes out of) of our fans will always be the side that houses the fan motor. All shrouded fans should be on the engine side of the radiator. One pound of pressure raises the boiling temperature by 3°F. Shrouding your radiator lets the fan pull air through the entire core. You may Pusher fans mount on the grille side (front) of the radiator core and push air through the radiator core. 6) Use the proper thermostat. Running a higher pressure cap to prevent boil over is putting a band-aid on another problem that needs to be fixed. Spend your money wisely. If you are adding an electric fan to your ride, you can 1801 Waters Ridge Drive, Lewisville, TX 75057 . 3. the clutch engages and the fan starts turning. 16 Inch Electric Radiator Cooling Fan Mounting Kit & 175-185 Degree Thermostat Relay Switch Kit Black. is better than no fan. Higher operating pressure places additional stress on the entire engine system and increases the potential of hoses bursting and possible injury. You can install two small fans side by side and add their CFM rating together to create a "big" fan. by an electric motor. Most aftermarket pulleys are a 1:1 ratio. Mechanical fans operate off of the engine's power and are usually connected Likewise, if the blade is angled down and the fan turns the opposite direction, the reverse is true. Understand the operating temperatures of today's modern engines. You must consider how the heat will be evacuated from the engine compartment. This means that the fan is only on 7) Clean the radiator of foreign materials. Some times you need a little extra airflow at slow vehicle speeds to keep your car or truck cool. For a 30-35% overdrive, the crank pulley should be approximately 7 7/8" and the water pump pulley approximately 5 3/4". So a fan mounted in front of the radiator will be a “pusher” fan: blowing air over the radiator with a positive pressure. We’ve made it simple to start. You can't Electric fans are rated by how much air they move in cubic feet per minute or CFM. An example of a typical cooling fan shroud, which directs air where it's meant to go. want to use this option if you have a turbo motor where heat can be deadly to engine components. The result is a slow oscillation of the temperature gauge reading. Mechanical fans are excellent for a coolant system that requires a constant engine temperature. in. These are usually the factory location for electric fans. the vehicle was running on the road. Use the proper water pump pulley ratio. google_ad_height = 90; First, the fan and shroud assembly was slightly wider than the El Camino's radiator core with built-in mounting points. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. google_ad_client = "ca-pub-5724184763039528"; Legal | Privacy. 12" inch Slim Fan Push Pull Electric Radiator Cooling Fans 12V Mount Kit Unversal Black. to the wheels and not be wasted on accessories. 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. Mechanical fans operate all the time, as long as the engine is turning, they are rotating and pulling air. All engines have "normal" operating temperatures. Legal | Privacy. And we proudly make our products in the U.S. Copyright 2021 Standard Motor Products, Inc., Designed & Developed by Multimedia Solutions Looking to install Flexxaire on your machine or integrate a Flexxaire cooling fan into a new design? purchase reasonably priced simple to install electric controllers from any parts house. 99 $44.99 $44.99. Electric radiator fans are available in both pusher and puller designs. First, which is better; Pusher-style fans or puller fans? When planning your performance vehicle, remember that you're building it to drive, not to sit and steam. Fans move air through the radiator assisting in cooling the engine. It should draw air through the radiator from front to back. A manual fan is connected to the engine drive pulleys and is controlled by a thermo fan clutch which senses radiator heat and engages when the engine is running at higher temperatures. If your engine is designed to run at 200°F, a 14-16-pound cap should be sufficient. Should cooling problems persist, it may be time for a new performance radiator from Griffin. The full product line now includes the patented Flex-a-fit aluminum radiators, electric fans, belt-driven fans, oil coolers, Mojave heaters and Flexite windows. If your engine is designed to run at 200°F, a 14-16-pound cap should be sufficient. //-->. A 50/50 mix of coolant and distilled water provides the best overall cooling efficiency. On indoor fixed installations like diesel gen sets, the fan blows or pushes air from the engine side to the outside. 5. Consider airflow and how a radiator uses it to cool. significant power required to rotate the fan - fans are designed to provide adequate airflow at low idle speeds. down until it reaches its lower set point. By: AUTOSAVER88. google_ad_width = 728; "stable" once the engine is complete warmed up. Do not mount exhaust fans on the bottom of the case; since hot air rises, a bottom-firing exhaust fan will be working against physics by expelling slightly cooler air instead of warmer air. 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. Primary electric fans (pullers) are designed to mount behind the radiator and replace a factory belt-driven fan. The positive wire coming from the electric fan will connect to one of two red wires on your relay while the negative wire needs to go to ground. Slipping belts or collapsed hoses mean trouble. Electric fans are attached directly to the radiator.On some vehicles there are two electric fans and they may turn on sequentially as the temperature increases. An unshrouded fan is moving air through only the portion of the radiator equal to the surface area of the fan. (Electric fans in this position can then be turned off as the car motion moves enough air already). Plan adequate space for the cooling system including the radiator, fan, shroud, overflow tank, and mounting brackets. A 16-pound cap raises the boiling point to 268°F. However, some longitudinal (front to rear) mounted engines use the electric fan as well, but they usually have an engine-powered cooling fan. the temperature. This article pertains to all vehicles. This means that almost 49% of the unshrouded radiator is not receiving any benefits from the fan. Get it as soon as Wed, Jan 6. 1. Running a higher pressure cap to prevent boil over is putting a band-aid on another problem that needs to be fixed. This means that almost 49% of the unshrouded radiator is not receiving any benefits from the fan. These improve the horsepower and torque delivered to the wheels by eliminating the parasitic drag of the stock belt-driven fan. What is push-pull? It stops the flow of coolant through the radiator until the coolant reaches the thermostat's preset temperature. drive. It is a setup where the radiator is sandwiched between 2 sets of fans, which blow in the same direction. 9) Check your water pump. Protect your system with the recommended coolant. Use an electric fan. Electric fans use less power than a mechanical fan and are the choice where gas mileage is a concern and if you want to make sure that the most engine HP gets in. It works They are often called flex fans.