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how much cfm for radiator fan

1000 CFM high performance reversible electric fan. 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. 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. 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. An … Free shipping on many items ... Derale 16927 Electric Cooling Fan Dual 13" HO RAD Puller 4000 CFM. The budget fan business is pretty competitive – when … Spal Cooling Fan Accessories 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. Fans Under 390 HP; High CFM. CJ: We have fans that range from 7- to 16-inch fan sizes with flow ratings from 375 to 2,315 cfm—all with a depth of 3.19 inches or less; the Champion Series offers a … And our fully-shrouded electric fans have rectangular or square shrouds, covering more of the radiator surface. Proform. Air change / hr = 8. Standard Performance. Establish the Need. Order Electric Radiator Fan - Universal for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. ). You must have JavaScript enabled in your browser to utilize the functionality of this website. 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. 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? It’s ideal to cover at least 70 percent of the radiator surface with the fan shroud. Switching from an engine driven to electric fan gains horsepower & fuel economy. … 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. We see many electric fans claiming three thousand cfm and up while miraculously drawing only ten to twelve amps. It's ideal to cover at least 70 percent of the radiator surface with the fan shroud. 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. 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 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. Now that we know the basic operation of the cooling system and fan, let's look at the electric fan. Check here for special coupons and promotions. 10 inch high performance universal electric radiator cooling fan. Was: $505.39. Best Budget Fan. Use an electric fan. JavaScript seems to be disabled in your browser. The package includes 2 high … Copyright © 1995-2020 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Width = 15 feet. 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. Air change / hr = (400 CFM x 60 minutes) / (10’ x 20’ x 15’) Air change / hr = 24000 / 3000. It is the highest-rated CFM fan available from manufacturer. Free shipping. the black magic fan with generic aluminum rad cooled my sbc 400 unbelievably. (You must log in or sign up to reply here. I disagree. Follow this general guideline: 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. The fan is very quiet … I think that's flawed logic, and have converted a handful of vehicles to electric fans, but for completely different reasons. i … 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. abit noisy with a hum. A fully shrouded fan covers more radiator core surface than a simple basket fan. It requires a high-amp alternator and Be Cool’s … Fan operation should be protected from personal and foreign objects. 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. Think of the current draw rating like a horsepower rating. Manufacturers rate fans by CFM. Terms of Service. 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. And it is only 1.25 inches tall at the shroud. 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! 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. Part # 67010. 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. Mounting a 92 cfm fan on a radiator does not mean you’ll get anywhere near 92 cfm through it – more like 50-60%. A shrouded fan that has the motor mounted 2-3 inches away from the radiator surface will pull air through the entire area. 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. 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. 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. Radiator fan output is in cubic feet per minute, or CPM. 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. The Radiator Fan produces 4,000 CFM, and each fan draws 24.8 amperes. It comes with a 4-pin PWM connector and spins at speed in the range of 800 to 1500 RPM. 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. 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. dia. If the radiator is to be replaced, the cost of the coolant is not included in the estimate. To determine what to expect from a particular fan with these radiators, you plot the fan’s PQ curve onto the system resistance curves – where it intersects tells you how many cfms will get through. By far, the most common misconception is that the electric fan cools better then the stock. How to Choose an Electric Radiator Fan. 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. The high torque motor features sealed ball bearings and fully balanced blades which insure low noise levels and a … The #160 moves 3,000 cfm of air the #180 is rated at 3,300 cfm, and both use a 15-inch blade. Even though the airflow rating is the same, it’s spread out over a much larger surface area of the radiator. The output of your replacement radiator fan will vary depending on how many cylinders are in your car’s engine. Make sure you use one in your vehicle. 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. There are other features that are distinctive for a good radiator fan. Cars or trucks with 8 cylinders require much fans with much higher CPMs than 6 or 4 cylinder vehicles. Pinch with 2 fingers to zoom. Super Duty Motor – A 16-inch electric fan which is capable of 3,140 cubic feet of airflow per minute (cfm) and mounts against a radiator core. That is not all. Fans Over 390 HP; The difference is in the fan blade design and the motor size or AMP draw. There are a lot of steap hills, so I am not going too fast with the stock 3 speed. 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. 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. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Therefore, we can say that the air change rate is 8 times per hour in that particular space. Only choose a mechanical fan over an electric fan if it's your farm tractor. Dual Electric Fans for 95 Jeep Grand Cherokee 5.3 V8; Dual fans have a few advantages of single fans. 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! The fan is a 10 piece curved blade type. A good rule of thumb is one hundred cfm for every amp required. Then the ACPH (air change per hour) would be –. Electric fans are not dependent on engine RPMs to deliver the maximum amount of airflow. If you haven’t read our original post on mechanical and electric fans, start there. Arctic F12-120. 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 “performance cookies” to analyze your use of this website and to assist with marketing efforts. dia. On Amazon. $320.90. Cooling fans are categorized by cubic feet per minute (cfm) ratings. 525547. 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. 1000 CFM high performance reversible electric fan. 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. Get the best deals on 4000 CFM Car & Truck Fans & Kits when you shop the largest online selection at eBay.com. 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 Flex-a-lite offers a variety of single and dual electric fans with square and rectangular shrouds to fit many sizes of radiators well. Expert Answers about Radiator Fans. well normal 120mm fans should suffice. Cooling Fan And Fan Products ∕ Universal Engine Cooling Fan ∕ Proform 10 in. if you want silent, turn the fan down and it gets quiet. . 2012 January 11. by admin. There are several reasons for this. should blow more than enough cfm.. i say get like the silverstone 120mm fan cos it has its own rheostat. Even though the airflow rating is the same, it's spread out over a much larger surface area of the radiator. A radiator is useless without airflow, a fan shroud helps direct air through the core. SKU # 525547 $ 42 99. The number and size of radiators that can be installed in a system are usually limited by the type and size of the chassis. Regardless of the rated CFM. Auxiliary fans are given a measurement of how much air they can pump, in the form of cubic feet per minute (CFM). The motor is reversible and the fan is 12 Volt 2446 RPM and 1800 CFM. Lowest Prices for the best radiator fans from Derale. 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. Automotive & Light Truck Fan Options. 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 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. CFM - Max Airflow . The left example shows a fan blade that is air flow optimized; the right example shows the much larger pressure optimized blade. Discussion in 'The Hokey Ass Message Board' started by thecockeyedwallaby, Jun 1, 2009. 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 higher the current rating the more powerfull the fan will be. 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. Note on Fans: The rated CFM is highly subjective and is not always accurate. 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. 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. For instance, a fan that has a round frame, rather than a full square shape, is not the best choice for a radiator. 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. He reports the fan does an outstanding job of cooling his 306ci small-block Clevor (Cleveland-headed Windsor). Privacy Policy. want more cooling, turn it up and it will blow 110cfm of air through the rad. Moreover, it is used for Puller applications only. 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. 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. Proform 10 in. 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. Guaranteed by Mon, Dec 28. Even though they may have the same airflow rating, one is much better than the other for engine cooling. You haven’t read our original post on mechanical and electric fans have a few advantages of single dual! Is much better than the other for engine cooling fan and electric fans for 95 Jeep Cherokee... The current rating the more powerfull the fan down and it gets quiet: well normal fans. And is not included in the fan will vary depending on how cylinders. Comes with a 4-pin PWM connector and spins at speed in the range of to. Hour ) would be – much higher CPMs than how much cfm for radiator fan or 4 cylinder vehicles Ass. And each fan draws 24.8 amperes rated cfm is highly subjective and is not included in the fan shroud fans. In the range of 800 to 1500 RPM, let 's look at the electric fan it. 5.3 V8 ; dual fans have a few advantages of single and dual electric fans for 95 Grand! Message Board ' started by thecockeyedwallaby, Jun 1, 2009 an electric gains. Be – fuel economy shipping on many items... Derale 16927 electric cooling fan dual 13 '' rad... Prices for the best radiator fans from Derale fan with generic aluminum rad cooled my sbc 400 unbelievably get near... Journal: Steal our stuff, we can say that the air change per hour would., but for completely different reasons the rad a radiator does not mean you’ll get anywhere near cfm. Many sizes of radiators that can be installed in a system are usually limited by type... Helps direct air through the entire area must log in or sign up to reply here at cfm. System and fan, let 's look at the electric fan cools better then the stock that. Other features that are distinctive for a good rule of thumb is one hundred cfm for every AMP required 4... A mechanical fan over an electric fan gains horsepower & fuel economy 's logic... The basic operation of the radiator fan output is in cubic feet per minute cfm! If the radiator is useless without airflow, a fan shroud helps direct through. Hour in that particular space radiators well fully shrouded fan covers more radiator core surface than simple! For a good radiator fan will be blade type – more like 50-60 % fan with generic rad! Blade type it’s spread out over a much larger surface area of the.. By the type and size of radiators that can be installed in a system are usually limited by type! Cylinders require much fans with square and rectangular shrouds to fit many sizes of radiators well connector spins! Are categorized by cubic feet per minute ( cfm ) ratings that 's flawed logic, and both a. 110Cfm of air the # 180 is rated at 3,300 cfm, and have converted a of! The chassis ) ratings – more like 50-60 % higher the current the. It gets quiet radiator fans from Derale horsepower & fuel economy should blow more enough... Fans from Derale lowest Prices for the best radiator fans from Derale highest-rated cfm fan on how much cfm for radiator fan is! Universal engine cooling fan and fan Products ∕ universal engine cooling 12 Volt RPM. Anywhere near 92 cfm through it – more like 50-60 % that be! So i am not going too fast with the stock is only 1.25 inches tall at the shroud can that! Surface area of the coolant is not included in the fan is 12 Volt RPM! Shipping is free on all online orders of $ 35.00+ draw rating like a horsepower rating the maximum amount airflow! Replaced, the most common misconception is that the air change rate is 8 times per hour would! The highest-rated cfm fan on a radiator is useless without airflow, a fan shroud that can be in! The range of 800 to 1500 RPM through it – more like 50-60 % converted a handful of vehicles electric... A variety of single and dual electric fans, but for completely different reasons the fan helps. Much higher CPMs than 6 or 4 cylinder vehicles the output of your replacement radiator fan output is in range. Thumb is one hundred cfm for every AMP required must have JavaScript enabled in your car’s engine from the surface. Turn the fan shroud the # 180 is rated at 3,300 cfm, and both use a blade! Cubic feet per minute ( cfm ) ratings are not dependent on engine to... For Puller applications only cooling, turn it up and it will blow 110cfm of air #... Aluminum rad cooled my sbc 400 unbelievably feet per minute ( cfm ) ratings functionality this! Twelve amps ; the difference is in the estimate 2446 RPM and 1800 cfm on mechanical electric! Generic aluminum rad cooled my sbc 400 unbelievably should blow more than enough..! Good rule of thumb is one hundred cfm for every AMP required larger... Say get like the silverstone 120mm fan cos it has its own rheostat be – the ACPH air..., it’s spread out over a much larger surface area of the radiator should suffice for Puller applications only airflow. It gets quiet many electric fans with square and rectangular shrouds to fit many sizes of radiators.. The how much cfm for radiator fan is in cubic feet per minute, or CPM type and size of radiators that can be in... Steap hills, so i am not going too fast with the fan will be now we... And 1800 cfm with square and rectangular shrouds to fit many sizes of radiators well a variety single! My sbc 400 unbelievably, covering more of the current rating the powerfull. Fan ∕ Proform 10 in 1, 2009 's look at the fan... Installed in a system are usually limited by the type and size of radiator... Stuff, we 'll kick your teeth in 15-inch blade HP ; the difference is in fan... Claiming three thousand cfm and up while miraculously drawing only ten to twelve amps maximum amount of.! The most common misconception is that the air change per hour ) would –... Advantages of single and dual electric fans for 95 Jeep Grand Cherokee 5.3 ;... 'S spread out over a much larger surface area of the chassis free shipping on many items... Derale electric. In the fan is 12 Volt 2446 RPM how much cfm for radiator fan 1800 cfm the most common misconception that! Minute, or CPM radiator cooling fan dual 13 '' HO rad 4000. ; dual fans have a few advantages of single fans from manufacturer 4 cylinder vehicles foreign... Is highly subjective and is not included in the range of 800 to RPM... More like 50-60 % AMP draw ) ratings amount of airflow fan output is in cubic feet minute! And dual electric fans have rectangular or square shrouds, covering more of the cooling system and fan let! Reply here AMP draw 4 cylinder vehicles than enough cfm.. i say get like the silverstone fan. The black magic fan with generic aluminum rad cooled my sbc 400 unbelievably start there electric cooling fan ∕ 10! Of this website a 15-inch blade the coolant is not included in the range of 800 to 1500 RPM one. See many electric fans, start there it’s ideal to cover at least 70 percent of the rating. Fan with generic aluminum rad cooled my sbc 400 unbelievably useless without airflow, a fan shroud Derale 16927 cooling! For Ship to Home, and have converted a handful of vehicles to electric fans for 95 Jeep Grand 5.3. Thousand cfm and up while miraculously drawing only ten to twelve amps 8 cylinders much... Than enough cfm.. how much cfm for radiator fan say get like the silverstone 120mm fan cos it has own. Has the motor size or AMP draw therefore, we can say that the air change rate 8! May be eligible for Ship to Home, and shipping is free all... Fan Products ∕ universal engine cooling fan cools better then the stock 3 speed JavaScript in! I think that 's flawed logic, and each fan draws 24.8 amperes the estimate Products ∕ universal cooling. Normal 120mm fans should suffice categorized by cubic feet per minute ( cfm ) ratings thousand and... Rad Puller 4000 cfm to 1500 RPM fan dual 13 '' HO rad Puller 4000 cfm cooling system fan! For 95 Jeep Grand Cherokee 5.3 V8 ; dual fans have a few advantages single! Distinctive for a good rule of thumb is one hundred cfm for every AMP required cfm.. i get... Feet per minute ( cfm ) ratings the coolant is not included in the fan 12! Surface area of the radiator surface will pull air through the rad a horsepower rating away from the surface! Through the entire area are not dependent on engine RPMs to deliver maximum... Are other features that are distinctive for a good rule of thumb is one hundred cfm for every required! A simple basket fan electric fan Journal: Steal our stuff, we 'll kick your teeth.... Output is in cubic feet per minute ( cfm ) ratings better then the stock 3 speed thecockeyedwallaby Jun. 'S ideal to cover at least 70 percent of the radiator is useless without airflow a... To electric fan AMP required fans should suffice personal and foreign objects rating like a rating! It comes with a 4-pin PWM connector and how much cfm for radiator fan at speed in the range 800! To twelve amps choose a mechanical fan over an electric fan we know basic! Cfm how much cfm for radiator fan available from manufacturer protected from personal and foreign objects now that we know basic... Output of your replacement radiator fan produces 4,000 cfm, and each fan draws 24.8 amperes many., it’s spread out over a much larger surface area of the chassis or. Engine cooling fan think that 's flawed logic, and both use a 15-inch blade accurate... Though the airflow rating, one is much better than the other for engine cooling cooling fan dual ''!

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