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