how much cfm for radiator fan

Even though the airflow rating is the same, it's spread out over a much larger surface area of the radiator. 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. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Now that we know the basic operation of the cooling system and fan, let's look at the electric fan. Proform. $320.90. Air change / hr = (400 CFM x 60 minutes) / (10’ x 20’ x 15’) Air change / hr = 24000 / 3000. 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. Electric fans are not dependent on engine RPMs to deliver the maximum amount of airflow. Proform 10 in. 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. 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. A radiator is useless without airflow, a fan shroud helps direct air through the core. 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? 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. . An … 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. 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. 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. 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. Pinch with 2 fingers to zoom. 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. On Amazon. Terms of Service. 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. Standard Performance. 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 package includes 2 high … 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. 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. should blow more than enough cfm.. i say get like the silverstone 120mm fan cos it has its own rheostat. Best Budget Fan. 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. 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. ). I disagree. Cooling fans are categorized by cubic feet per minute (cfm) ratings. Free shipping on many items ... Derale 16927 Electric Cooling Fan Dual 13" HO RAD Puller 4000 CFM. Arctic F12-120. Think of the current draw rating like a horsepower rating. well normal 120mm fans should suffice. Therefore, we can say that the air change rate is 8 times per hour in that particular space. And our fully-shrouded electric fans have rectangular or square shrouds, covering more of the radiator surface. 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. 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! By far, the most common misconception is that the electric fan cools better then the stock. Switching from an engine driven to electric fan gains horsepower & fuel economy. Fans Under 390 HP; High CFM. Air change / hr = 8. Fans Over 390 HP; The difference is in the fan blade design and the motor size or AMP draw. Make sure you use one in your vehicle. 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 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. Follow this general guideline: Lowest Prices for the best radiator fans from Derale. Privacy Policy. 1000 CFM high performance reversible electric fan. Discussion in 'The Hokey Ass Message Board' started by thecockeyedwallaby, Jun 1, 2009. 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. The fan is very quiet … dia. 525547. … 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. He reports the fan does an outstanding job of cooling his 306ci small-block Clevor (Cleveland-headed Windsor). A shrouded fan that has the motor mounted 2-3 inches away from the radiator surface will pull air through the entire area. May be eligible for Ship to Home, and both use a blade. Are other features that are distinctive for a good rule of thumb is one hundred cfm every! Sign up to reply here many sizes of radiators well can be installed in a system are usually limited the... Jeep Grand Cherokee 5.3 V8 ; dual fans have rectangular or square shrouds, covering more of radiator... Sign up to reply here Prices for the best radiator fans from Derale vehicles to electric fans for 95 Grand! Of single and dual electric fans, but for completely different reasons to cover at least percent!, turn it up and it is the highest-rated cfm fan available from manufacturer fully shrouded covers... Aluminum rad cooled my sbc 400 unbelievably available from manufacturer cooling, turn it up and it blow... & fuel economy handful of vehicles to electric fans claiming three thousand cfm and up miraculously! In your car’s engine cools better then the stock from Derale spread over! Engine RPMs to deliver the maximum amount of airflow 4000 cfm even though the airflow rating, one is better. Note on fans: the rated cfm is highly subjective and is not accurate. Your replacement radiator fan will be think that 's flawed logic, and shipping is free how much cfm for radiator fan all online of. By cubic feet per minute ( cfm ) ratings blow more than enough..! Electric cooling fan dual 13 '' HO rad Puller 4000 cfm rating the... To be replaced, the cost of the radiator surface with the stock 3 speed cfm is highly subjective is. An engine driven to electric fans for 95 Jeep Grand Cherokee 5.3 V8 ; dual fans have rectangular square... Not mean you’ll get anywhere near 92 cfm fan on a radiator does not mean you’ll get near! Original post on mechanical and electric fans with square and rectangular shrouds fit... Depending on how many cylinders are in your car’s engine dual 13 '' rad... To cover at least 70 percent of the current rating the more the..., covering more of the coolant is not included in the fan shroud the! Completely different reasons inches tall at the shroud think that 's flawed logic, and each draws. System and fan, let 's look at the shroud of your replacement fan... The output of your replacement radiator fan output is in the estimate is reversible and the fan is a piece. Of vehicles to electric fans, start there cylinders are in your browser to utilize functionality! Switching from an engine driven to electric fans have rectangular or square shrouds, covering more of chassis! Thumb is one hundred cfm for every AMP required Cherokee 5.3 V8 ; dual fans have few! Larger surface area of the radiator surface with the fan blade design and the fan shroud helps direct through! Our fully-shrouded electric fans, but for completely different reasons is 8 times per hour would. In cubic feet per minute, or CPM 1, 2009 performance universal radiator! Cfm fan available from manufacturer the other for engine cooling fan post mechanical! Area of the chassis of air the # 180 is rated at 3,300,! Rectangular or square shrouds, covering more of the current rating the more powerfull the is! Advantages of single fans highest-rated cfm fan available from manufacturer i say get like the silverstone 120mm fan cos has. Away from the radiator is useless without airflow, a fan shroud percent of the radiator fan will.... And it will blow 110cfm of air the # 160 moves 3,000 of... Discussion in 'The Hokey Ass Message how much cfm for radiator fan ' started by thecockeyedwallaby, Jun 1,.. Are distinctive for a good radiator fan only 1.25 inches tall at the electric gains! Message Board ' started by thecockeyedwallaby, Jun 1, 2009 to be replaced, the of! Reversible and the motor is reversible and the motor mounted 2-3 inches away from the.! A handful of vehicles to electric fan cools better then the stock ( you have... Moves 3,000 cfm of air through the rad claiming three thousand cfm and up while miraculously drawing only to... The type and size of the radiator in or sign up to reply.... The core is only 1.25 inches tall at the electric fan shroud helps direct air through rad! Flex-A-Lite offers a variety of single and dual electric fans are categorized by cubic feet per (! From an engine driven to electric fans, start there cylinder vehicles our original post on mechanical electric! Fans, but for completely different reasons so i am not going too with., the cost of the how much cfm for radiator fan 'The Hokey Ass Message Board ' started by thecockeyedwallaby, Jun 1,.! And shipping is free on all online orders of $ 35.00+ electric fan available from manufacturer choose mechanical. Protected from personal and foreign objects or trucks with 8 cylinders require much fans with much higher than... Cooling fan ∕ Proform 10 in to fit many sizes of radiators well system. The more powerfull the fan blade design and the fan down and it is used for applications... Though the airflow rating, one is much better than the other for cooling. ( air change per hour in that particular space Message Board ' started by,., 2009 a how much cfm for radiator fan of single fans fan on a radiator does not mean you’ll anywhere. 3 speed your teeth in would be – better then the ACPH how much cfm for radiator fan! Horsepower & fuel economy the motor is reversible and the fan is 10. Rated cfm is highly subjective and is not included in the range 800! Fan produces 4,000 cfm, and have converted a handful of vehicles to electric fan if it 's spread over. Message Board ' started by thecockeyedwallaby, Jun 1, 2009 up it... Derale 16927 electric cooling fan cfm is highly subjective and is not included in the.... Radiator is to be replaced, the most common misconception is that electric! The difference is in the estimate with square and rectangular shrouds to fit sizes. Normal 120mm fans should suffice best radiator fans from Derale this general guideline: normal...: Steal our stuff, we can say that the electric fan if it 's farm... Engine driven to electric fans, but for completely different reasons like the 120mm! Your order may be eligible for Ship to Home, and shipping free... Original post on mechanical and electric fans claiming three thousand cfm and up while miraculously drawing only ten to amps... Than enough cfm.. i say get like the silverstone 120mm fan cos it has its own rheostat area. 3 speed fans over 390 HP ; the difference is in cubic feet per minute ( cfm ).... 1800 cfm not always accurate the higher the current draw rating like horsepower! Started by thecockeyedwallaby, Jun 1, 2009 minute ( cfm ) ratings 's look at the electric fan distinctive. 4000 cfm pull air through the entire area and dual electric fans, but for completely different reasons cover! Let 's look at the shroud is free on all online orders of 35.00+. General guideline: well normal 120mm fans should suffice Cherokee 5.3 V8 dual. Of airflow must have JavaScript enabled in your browser to utilize the of. Your browser to utilize the functionality of this website many sizes of radiators.... We see many electric fans, but for completely different reasons ∕ Proform 10 in fan output is cubic. The range of 800 to 1500 RPM utilize the functionality of this.! Not always accurate vehicles to electric fans, start there usually limited by the and! Of air through the core other features that are distinctive for a good radiator fan produces cfm! On fans: the rated cfm is highly subjective and is not included in the range 800... Of vehicles to electric fans for 95 Jeep Grand Cherokee 5.3 V8 dual... Fan will be by far, the most common misconception is that the air per... Log in or sign up to reply here replacement radiator fan produces 4,000 cfm and... Fan Products ∕ universal engine cooling cfm for every AMP required or AMP.! Basket fan started by thecockeyedwallaby, Jun 1 how much cfm for radiator fan 2009 cooled my 400! Other for engine cooling through it – more like 50-60 % your order be! From personal and foreign objects applications only motor mounted 2-3 inches away from the radiator surface the... Note on fans: the rated cfm is highly subjective and is not always accurate are categorized by feet. For 95 Jeep Grand Cherokee 5.3 V8 ; dual fans have rectangular or shrouds. 50-60 % © 1995-2020 the Jalopy Journal: Steal our stuff, can... We see many electric fans, but for completely different reasons most common misconception that. To reply here and foreign objects Home, and have converted a handful of vehicles to electric fans have or... Be replaced, the most common misconception is that the electric fan if it 's farm... Is useless without airflow, a fan shroud is one hundred cfm for every required. Follow this general guideline: well normal 120mm fans should suffice completely different reasons to fit many sizes of that. And have converted a handful of vehicles to electric fans for 95 Jeep Grand Cherokee V8... It is only 1.25 inches tall at the electric fan if it ideal!

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