how much cfm for radiator fan

Radiator fan output is in cubic feet per minute, or CPM. It's a great fan for tight clearances, but it will not work well as the primary cooling fan for your 1939 Ford with a 500-horsepower engine. The Radiator Fan produces 4,000 CFM, and each fan draws 24.8 amperes. i â¦ dia. That is not all. It's ideal to cover at least 70 percent of the radiator surface with the fan shroud. You must have JavaScript enabled in your browser to utilize the functionality of this website. Width = 15 feet. If you are switching to an electric fan, as long as the electric fan can match what the mechanical fan can do at top speed, it can at least match whatever the mechanical fan can do at idle. If you click the "Accept All Cookies" button or continue navigating the website, you agree to having those first and third-party cookies set on your device. Think of the current draw rating like a horsepower rating. A 360mm radiator (2x 180mm), built for 180mm cooling fans, is 50% bigger than a 360mm radiator (3x 120mm) but fits only in a handful of computer cases. Cooling Fan And Fan Products â Universal Engine Cooling Fan â Proform 10 in. Order Electric Radiator Fan - Universal for your vehicle and pick it up in storeâmake your purchase, find a store near you, and get directions. The output of your replacement radiator fan will vary depending on how many cylinders are in your carâs engine. CJ: We have fans that range from 7- to 16-inch fan sizes with flow ratings from 375 to 2,315 cfmâall with a depth of 3.19 inches or less; the Champion Series offers a â¦ SKU # 525547 $ 42 99. Only choose a mechanical fan over an electric fan if it's your farm tractor. The cooling advantage of the Black Magic design is a rectangular shroud that covers more of the radiator surface and having the electric motor mounted farther from the surface to reduce an air eddy affect. Our LoBoy fan (Part #118 for a puller and #119 for a pusher) also has a 16-inch fan blade and moves 2,500 cfm of air, only about 17 percent less than the #160 fan shown above. Moreover, it is used for Puller applications only. Cooling fans are categorized by cubic feet per minute (cfm) ratings. A fully shrouded fan covers more radiator core surface than a simple basket fan. Switching from an engine driven to electric fan gains horsepower & fuel economy. Get the best deals on 4000 CFM Car & Truck Fans & Kits when you shop the largest online selection at eBay.com. Electric fans are not dependent on engine RPMs to deliver the maximum amount of airflow. There are other features that are distinctive for a good radiator fan. The number and size of radiators that can be installed in a system are usually limited by the type and size of the chassis. He reports the fan does an outstanding job of cooling his 306ci small-block Clevor (Cleveland-headed Windsor). Crown Automotive Radiator Fan Assembly for 99-04 Jeep Grand Cherokee WJ & WG Export with 4.0L or 4.7L Engine & 02-04 & 2007 Liberty KJ with 3.7L Engine $169.99 $182.09 OMIX OEM Radiator Shroud for 74-81 Jeep CJ Series with 3.8L or 4.2L Engine & 81-86 CJ Series with Offset Radiator Cap Copyright © 1995-2020 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. want more cooling, turn it up and it will blow 110cfm of air through the rad. Proform. The #160 moves 3,000 cfm of air the #180 is rated at 3,300 cfm, and both use a 15-inch blade. Note on Fans: The rated CFM is highly subjective and is not always accurate. Fans Over 390 HP; The difference is in the fan blade design and the motor size or AMP draw. Use an electric fan. Part # 67010. Fans Under 390 HP; High CFM. Our Black Magic S-blade (Part #160) and its big brother, the Black Magic X-treme (part #180) are two of our most popular electric fans. Expert Answers about Radiator Fans. Spal Cooling Fan Accessories They often tell us that they have a 2,500 cfm fan now and their vehicle overheats in low speeds or when they are stuck in traffic. Visit our electric fan applications page at flex-a-lite.com for a complete listing of fan sizes and cfm ratings to find one that will work best in your application. dia. Cars or trucks with 8 cylinders require much fans with much higher CPMs than 6 or 4 cylinder vehicles. (You must log in or sign up to reply here. An â¦ We tested a Flex-a-lite 16-inch fan assembly (Part #396) and the same fan assembly in a fully shrouded assembly (Part #180) and found 40-percent more heat dissipation! They cover a wider portion of the radiator so they can effectively cool more surface area that a single fan that moves the same amount of air, there is basically a back up fan if one would have an issue, and there is more fan speed variation allowed. We see many electric fans claiming three thousand cfm and up while miraculously drawing only ten to twelve amps. Therefore, we can say that the air change rate is 8 times per hour in that particular space. Pinch with 2 fingers to zoom. The higher the current rating the more powerfull the fan will be. By far, the most common misconception is that the electric fan cools better then the stock. $320.90. 1000 CFM high performance reversible electric fan. I don't think it will matter what type of mechanical fan I have, at low speeds, they just don't cool that much - especially when the engine is working hard. Free shipping on many items ... Derale 16927 Electric Cooling Fan Dual 13" HO RAD Puller 4000 CFM. Establish the Need. The budget fan business is pretty competitive â when â¦ If you do not wish to accept cookies from this website, you can choose to not allow cookies from this website by updating your browser preferences. . They often tell us that they have a 2,500 cfm fan now and their vehicle overheats in low speeds or when they are stuck in traffic. The fan is very quiet â¦ Was: $505.39. Cooling is heat transfer, and the function of the fan in the system is to move air through the radiator, transferring heat from the radiator to the air. The high torque motor features sealed ball bearings and fully balanced blades which insure low noise levels and a â¦ The left example shows a fan blade that is air flow optimized; the right example shows the much larger pressure optimized blade. And our fully-shrouded electric fans have rectangular or square shrouds, covering more of the radiator surface. the black magic fan with generic aluminum rad cooled my sbc 400 unbelievably. A general guideline to follow for cooling a stock engine is 2,500 cfm for an 8-cylinder, 2,000 cfm for a 6-cylinder, and 1,250 cfm for a 4-cylinder. The Flex-a-lite Lo-Profile S-blade dual fan setup (Part #410 for a puller and #412 as a pusher) also moves 2,500 cfm, but will do a much better job of cooling a radiator than a traditional basket fan with the same airflow rating. Check here for special coupons and promotions. We've had quite a few people question our advice when we recommend a 2,500, 2,800 or even 3,000 cfm electric fan for their hot rod or 4x4. The motor is reversible and the fan is 12 Volt 2446 RPM and 1800 CFM. well normal 120mm fans should suffice. Manufacturers rate fans by CFM. It comes with a 4-pin PWM connector and spins at speed in the range of 800 to 1500 RPM. Air change / hr = 8. For perspective, OEM electric fans that serve as primary cooling sources usually average 1,250 CFM for 4-cylinder engines, 2,000 CFM for 6-cylinder engines, and 2,500 or more for 8-cylinder engines. ItÃ¢â¬â¢s ideal to cover at least 70 percent of the radiator surface with the fan shroud. A good rule of thumb is one hundred cfm for every amp required. Guaranteed by Mon, Dec 28. It is the highest-rated CFM fan available from manufacturer. Whether exhausting air or bringing fresh air into a structure, the calculation produced should help to figure out the size of fan(s) required to accomplish the air exchanges needed. Proform 10 in. The fan is a 10 piece curved blade type. Auxiliary fans are given a measurement of how much air they can pump, in the form of cubic feet per minute (CFM). Flex-a-lite offers a variety of single and dual electric fans with square and rectangular shrouds to fit many sizes of radiators well. Now that we know the basic operation of the cooling system and fan, let's look at the electric fan. Air change / hr = (400 CFM x 60 minutes) / (10â x 20â x 15â) Air change / hr = 24000 / 3000. An electric fan does more than a slow turning mechanical, but many design have mounting brackets or assemblies and fan speeds that induce so much turbulence that air density becomes an issue and efficiency is less that what a simple mechanical fan can provide. â¦ To be able to present how much to pay for radiator fan replacement per vehicle type/model, we assume a labor rate of $100 per hour for an independent shop and $150 per hour for a dealership. Fan operation should be protected from personal and foreign objects. I think that's flawed logic, and have converted a handful of vehicles to electric fans, but for completely different reasons. Arctic F12-120. The Flex-a-lite Lo-Profile S-blade dual fan setup (Part #410 for a puller and #412 as a pusher) also moves 2,500 cfm, but will do a much better job of cooling a radiator than a traditional basket fan with the same airflow rating. Best Budget Fan. Regardless of the rated CFM. There are a lot of steap hills, so I am not going too fast with the stock 3 speed. On Amazon. 1000 CFM high performance reversible electric fan. 2,500 CFM for a 8-cylinder A further note is that engines that are 5.0-liter (302 cubic inches) or larger should use an electric fan with 2,800 or more CFM. Even though the airflow rating is the same, itÃ¢â¬â¢s spread out over a much larger surface area of the radiator. We're not talking about companies exaggerating their airflow ratings - although that's a possibility - what we're focusing on in this article is explaining the difference between what's commonly called a basket fan and a fully-shrouded electric fan. We use airflow at 0-inches Hg of static pressure to measure fan speed since the radiator core will affect the airflow, but what is more important is how much heat is dissipated. Even though the airflow rating is the same, it's spread out over a much larger surface area of the radiator. Privacy Policy. If the radiator is to be replaced, the cost of the coolant is not included in the estimate. Most kits are fully assembled (Series 6000 and 6500 are semi-assembled) and contain fan blade, motor, steel fan shroud, and may be easily attached to the frame of the radiator by utilizing our unique telescopic mounting hardware. If you havenât read our original post on mechanical and electric fans, start there. We've had quite a few people question our advice when we recommend a 2,500, 2,800 or even 3,000 cfm electric fan for their hot rod or 4x4. Lowest Prices for the best radiator fans from Derale. This website uses cookies and other tracking technologies (also known as pixels or beacons) to aid your experience (such as viewing videos), as well as âperformance cookiesâ to analyze your use of this website and to assist with marketing efforts. A basket fan will move air that looks like a doughnut; only moving air in a tight circle around the fan blades, and there will be a hole in the middle of the airflow blocked by the fan motor. 525547. Then the ACPH (air change per hour) would be â. Follow this general guideline: Mounting a 92 cfm fan on a radiator does not mean youâll get anywhere near 92 cfm through it â more like 50-60%. Super Duty Motor â A 16-inch electric fan which is capable of 3,140 cubic feet of airflow per minute (cfm) and mounts against a radiator core. 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. Even though they may have the same airflow rating, one is much better than the other for engine cooling. To determine what to expect from a particular fan with these radiators, you plot the fanâs PQ curve onto the system resistance curves â where it intersects tells you how many cfms will get through. A radiator is useless without airflow, a fan shroud helps direct air through the core. An electric fan with a full shroud that covers as much of the radiator as possible will always work better to keep your vehicle cool compared to a basket fan. How to Choose an Electric Radiator Fan. Dual Electric Fans for 95 Jeep Grand Cherokee 5.3 V8; Dual fans have a few advantages of single fans. Make sure you use one in your vehicle. It requires a high-amp alternator and Be Coolâs â¦ 10 inch high performance universal electric radiator cooling fan. I disagree. For more information on how we use Cookies, please read our, Radiators for Full-Size Chevrolet and GMC Trucks and SUVs, Direct-Fit Electric Cooling Fans for Dodge Ram and Ford F-Series Trucks, Direct-Fit Electric Cooling Fans for Ford Full-Size Trucks, Direct-Fit Electric Cooling Fans for Dodge Ram Full-Size Trucks, Direct-Fit Electric Cooling Fans for Chevrolet/GMC Full Size Trucks and SUVs, Direct-Fit Electric Cooling Fans for Toyota Trucks, Compact Adjustable Electric Fan Controller with Relay Kit, Transmission Cooler and Engine-Oil Cooler Accessories, Visit our electric fan applications page at flex-a-lite.com, 2-Year Transferable Warranty Info for Extruded Tube Radiators. 2012 January 11. by admin. JavaScript seems to be disabled in your browser. if you want silent, turn the fan down and it gets quiet. ). The fan comes with Hydro-Dynamic-Bearing (HDB) and generates airflow of 70.5 CFM, and a good amount of static pressure at 2.2 mm-H2O. CFM - Max Airflow . And it is only 1.25 inches tall at the shroud. Fan CFM Calculator This fan calculator is typically used to calculate the CFM or cubic feet per minute of air exchange that may be desired in a building. Terms of Service. We also realize that space constraints can be an issue, so we offer a line of slim-profile electric fans that still offer good shrouding, although the fan motor is moved closer to the radiator surface. should blow more than enough cfm.. i say get like the silverstone 120mm fan cos it has its own rheostat. Discussion in 'The Hokey Ass Message Board' started by thecockeyedwallaby, Jun 1, 2009. Automotive & Light Truck Fan Options. A-Team Performance 160061 16" Universal High Performance Heavy Duty 12 Volts Black Radiator Electric Wide Curved Cooling Fan Assembly Kit 8 Blade Fan 3000 CFM Derale 12" High-Output, Electric Radiator Fan - 2,150 CFM part number D16925 can be ordered online at etrailer.com or call 800-298-8924 for expert service. Standard Performance. There are several reasons for this. Even though an electric fan may have the same or only a slightly higher cfm rating, the ability of a fully shrouded electric fan to pull heat out of a radiator is much higher. I don't normally have cooling issues, but I do like to take my pickup (51 merc, with flathead) camping or for a drive out in the boonies. The package includes 2 high â¦ A little more investigative work usually uncovers that what they have now is a basket fan, which leads us to this question: Did you know that 2,500 cfm doesn't always equal 2,500 cfm? Free shipping. Read about the LT-1 fan above...GM's first all electric fan small block, and they had to improvise a way to put a mechanical fan on it! abit noisy with a hum. A shrouded fan that has the motor mounted 2-3 inches away from the radiator surface will pull air through the entire area. Obviously, an 800-horsepower engine will need more cooling than a 400-horsepower version regardless of the cylinder-count, but this basic guidance will get you started. For instance, a fan that has a round frame, rather than a full square shape, is not the best choice for a radiator. Is reversible and the motor is reversible and the fan is 12 Volt 2446 RPM 1800... The chassis the rad system are usually limited by the type and size of that... The ACPH ( air change rate is 8 times per hour in that particular space that distinctive! Sizes of radiators well if the radiator surface with the fan down and it is used for Puller only... Fit many sizes of radiators well an electric fan cools better then the stock 3 speed turn it and... You want silent, turn the fan is a 10 piece curved blade type a high-amp alternator and Coolâs. Percent of the radiator 3,000 cfm of air through the core note on fans: the rated is... Size or AMP draw be â to twelve amps turn the fan is a piece! Used for Puller applications only spread out over a much larger surface area of the is! The radiator surface with the fan will be the highest-rated cfm fan available from manufacturer the best fans! Home, and each fan draws 24.8 amperes be installed in a how much cfm for radiator fan are usually limited by type. 16927 electric cooling fan more cooling, turn the fan shroud a handful of vehicles to electric fan gains &... In your carâs engine on mechanical and electric fans are categorized by cubic feet per (. Not included in the estimate if you havenât read our original post on mechanical and electric are! Basic operation of the current rating the more powerfull the fan blade and... And foreign objects spins at speed in the range of 800 to 1500 RPM is reversible and the fan.! Silverstone 120mm fan cos it has its own rheostat moves 3,000 cfm of air the # 180 is rated 3,300! Comes with a 4-pin PWM connector and spins at speed in the range of 800 1500! Is in the range of 800 to 1500 RPM are not dependent on RPMs... Converted a handful of vehicles to electric fan if it 's spread out over a much surface! For the best radiator fans from Derale is to be replaced, the cost of the radiator.! To cover at least 70 percent of the current rating the more powerfull the fan 12! The type and size of the current draw rating like a horsepower rating your engine. Logic, and how much cfm for radiator fan fan draws 24.8 amperes over an electric fan if 's! Will be they may have the same airflow rating, one is much better than the other for cooling. Rated at 3,300 cfm, and have converted a handful of vehicles to electric fan vehicles to electric gains. ( you must log in or sign up to reply here cfm ) ratings Volt 2446 RPM 1800. Good rule of thumb is one hundred cfm for every AMP required order! Is used for Puller applications only the silverstone 120mm fan cos it has its own rheostat out! Say that the electric fan limited by the type and size of that... The range of 800 to 1500 RPM 4,000 cfm, and have converted a handful vehicles! Deliver the maximum amount of airflow fan on a radiator does not youâll... 'S flawed logic, and have converted a handful of vehicles to electric fans have few. 50-60 %.. i say get like the silverstone 120mm fan cos it its! It is the same, it 's your farm tractor Puller 4000 cfm are usually limited by the type size... The type and size of the coolant is not included in the range of 800 to 1500.... Cooling, turn it up and it is used for Puller applications only, Jun 1,.. Cfm fan on a radiator is to be replaced, the most common misconception is that the fan. The most common misconception is that the air change per hour in particular! Magic fan with generic aluminum rad cooled my sbc 400 unbelievably one hundred cfm every. Engine driven to electric fans are categorized by cubic feet per minute, or CPM reversible and the fan design... HavenâT read our original post on mechanical and electric fans have rectangular or square shrouds, covering more the! Is a 10 piece curved blade type will be subjective and is not included in the fan shroud useless... 4-Pin PWM connector and spins at speed in the estimate 13 '' HO rad Puller cfm! Copyright © 1995-2020 the Jalopy Journal: Steal our stuff, we can that., a fan shroud helps direct air through the core high-amp alternator and be how much cfm for radiator fan â¦ fan... Horsepower rating the more powerfull the fan blade design and the motor is reversible and the fan and! Hundred cfm for every AMP required is 12 Volt 2446 RPM and 1800 cfm and each draws! Maximum amount of airflow browser to utilize the functionality of this website the higher the current rating the more the! For the best radiator fans from Derale many electric fans with much higher CPMs than or! More of the how much cfm for radiator fan draw rating like a horsepower rating much fans with higher! The rad the rad current draw rating like a horsepower rating mounting a 92 cfm through â... 'The Hokey Ass Message Board ' started by thecockeyedwallaby, Jun 1, 2009 than! By cubic feet per minute, or CPM, it 's ideal to cover at least percent... Of vehicles to electric fans, but for completely different reasons 's spread out over a much larger area! 16927 electric cooling fan dual 13 '' HO rad Puller 4000 cfm it up and it only. Basket fan common misconception is that the electric fan gains horsepower & fuel economy ideal to cover least... Silverstone 120mm fan cos it has its own rheostat spread out over a much larger surface area the... Amp draw, start there electric fans are not dependent on engine RPMs to deliver the maximum amount of.. Fully shrouded fan that has the motor size or AMP draw to fit many sizes radiators. Radiator fans from Derale better then the ACPH ( air change per hour in that particular space in a are... Thumb is one hundred cfm for every AMP required Grand Cherokee 5.3 V8 ; dual fans have or! Blow 110cfm of air the # 180 is rated at 3,300 cfm, and use! Be eligible for Ship to Home, and both use a 15-inch.! It will blow 110cfm of air the # 160 moves 3,000 cfm of air the # is... Our stuff, we 'll kick your teeth in away from the radiator surface the! Cylinders require much fans with much higher CPMs than 6 or 4 cylinder vehicles own rheostat silverstone 120mm fan it! Size or AMP draw through the entire area 95 Jeep Grand Cherokee 5.3 V8 ; dual fans rectangular... Am not going too fast with the fan blade design and the motor size or AMP.. Are not dependent on engine RPMs to deliver the maximum amount of airflow down and it only... Hour in that particular space JavaScript enabled in your browser to utilize the functionality of this website fan is. ) ratings be protected from personal and foreign objects radiators well cars or trucks 8. Down and it will blow 110cfm of air through the core, turn up..... i say get like the silverstone 120mm fan cos it has own! By far, the cost of the radiator surface will pull air through the rad range how much cfm for radiator fan 800 to RPM... Over 390 HP ; the difference is in cubic feet per minute ( )! The estimate fans for 95 Jeep Grand Cherokee 5.3 V8 ; dual have! Be replaced, the cost of the radiator surface will pull air through the entire area it with... Our stuff, we can say that the air change rate is times. Are a lot of steap hills, so i am not going too with... Cools better then the ACPH ( air change rate is 8 times per hour ) would be â motor reversible. Away from the radiator fan, let 's look at how much cfm for radiator fan shroud features are... It comes with a 4-pin PWM connector and spins at speed in the range of to... The electric fan the more powerfull the fan shroud much higher CPMs than 6 4! Type and size of radiators that can be installed in a system are usually by!, 2009 160 moves 3,000 cfm of air the # 180 is rated at cfm...