If you have space issues, you can use an electric fan in a pusher configuration in front of the radiator. - Use the fan clutch tool to loosen the bolt and take out the assembly. He correctly told me that a mechanical fan will draw more air than an electric fan and will cool better with a properly designed fan shroud. In the absence of a fan, air still flows in, usually directed by the shroud. A fan shroud ensures that air is moving through the radiator core and not around it. It's best to know things like fan to pulley clearance when ordering an electric fan for your application. Here’s where you’ll notice how heavy the fan is. Without it, air is deflected off the fan blades in all directions. Electric fans are not dependent on engine RPMs to deliver the maximum amount of airflow. Draws 18.5 AMPS. An example of this can be seen below. It’s made up of a 1/2-inch thick formed-aluminum shroud and one or multiple electric thin-line fans. the shroud is indeed designed to move air over the electric motor and onto the cylinder finning, driven by the motor's fan. Ed's right, shroud is absolutely better. Performance cooling products for the automotive market. I need to get the fan shroud on, and install an overflow bottle. Fan manufacturers have continued to reduce the thickness of the fans and now there is a shroud from Cool Craft that when combined with the fan only measures 2-5/8-inches thick. Mr. Electric is proud to be part of the Neighborly ® family of home service providers. The shroud for a 2.5 is like 15 inches long. 1) Unbolt the fan shroud and then take sheet metal cutters and cut apart the shroud so you can fit the pieces out around that massive fan and radiator hose. Independent tests have shown that even with a pusher style fan mounted only 5/8 of an inch away from the face of the radiator, there is still a vast amount of air that escapes from around the skirt between the radiator and the fan blades. And we proudly make our products in the U.S. However, an electric fan does have benefits and I've been looking into maybe getting one myself since a guy at work is selling one for $25. Sadly a deep fan shroud is not necessarily what you need. We know that not everyone is able to perform home repairs – and electrical work is not a good DIY project! - Pop out the fan control unit on the shroud and the other wiring and put them to the side. What I do know is that the fan shroud will help your cooling system to perform at it's peak. The holes for the stock fan shroud were used to mount the brackets to … This keeps the fan out of the natural airflow path into the radiator. I never installed it because at the time I was told I needed a fan shroud, even though in many other cars, whenever I see a flex fan, its never with a shroud. The only benefit to not having one is that there is no work involved in not installing one. 100% Made in … Brackets were made by cutting two pieces of 3MM steel about 3.5" x 1.5" and 1.5" x 1.5" and then welding them at a right angle. Then use a 8mm socket wrench and remove the 2 bolts holding the fan shroud. I read a very good article many years ago about fan/fan shroud technology and it was stated that for optimal efficiency the fan blades should be 50% in the shroud and 50% outside the shroud....this is when looking at the edge of the fan … - Take your electric fan and slide it against the radiator and screw in the torx screw. If so, a motor mount lift done at the same time would have fixed that for you. Flex-a-lite invented the Flex Fan and holds the patent for the first electric fan for the automotive aftermarket. When you want electrical repairs or installations at your home, you need a professional electrician you can trust to do … Removing it would not be a good idea. Your fan wont be on all the time, it will cycle. 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. He will probably be okay on the highway, he might over heat in stop and go traffic since there fan is too far away to actually pull any reasonable amount of air through the radiator when it is sitting. A fan shroud helps … Mounting holes were drilled in the bracket and the fan shroud. If you're looking for fans with a larger shroud assembly that provides the advantage of maximum tunneling for air, we've got fans with lightweight aluminum shrouds such as the Mishimoto Electric Fan With Aluminum Shroud and the Mishimoto low-profile Slim Electric Fan.Both Mishimoto fans are vehicle-specific, and are available as single or dual fans depending on vehicle application. Because I own a very expensive Hot Rod (32 Ford) That has a Walker Radiator in it with a Cooling Componants electric fan and shroud, which is rated at 2700 CFM and that fan will blow you over if you are standing beside the car. How do I know this? The radiator is out of a 95 manual firebird and will be cooling a 283 sbc. There shouldn't be any need for cutting the shroud for a normal sized body lift. Shrouding. radiator w/ 2 electric fans. Without the spacer, the fan could hit other engine parts. When replacing a Clutch Fan with a Flex Fan, a spacer is often required.The Fan Spacer takes up the area where the clutch used to be. First, which is better; Pusher-style fans or puller fans? The shroud focuses the airflow through the radiator and across the engine. If you have reasonable coolant temperature when traveling at 50-60 mph, but temperature increases noticeably with increasing road speed, that is indication of inadequate air flow through the radiator core at … I’m expecting I’ll need a dual fan setup, but trying to find a super thin shroud and high CFM fan combo that will fit in the 2-1/2″-3″ of clear space between pulleys and belt is a challenge. For vehicles where the engine and radiator/fan shroud move a lot - like in off-roading - an electric fan eliminates the possibility of the fan hitting the radiator or shroud. The fan shroud makes the fan more efficient. Some fans can be used as either a pusher or puller. To answer this, it seems like the consensus is in favor of the pull style fans. No, all Perma-Cool electric fans are designed to be installed directly to the radiator core, close enough to not need a shroud." This is a pic of where the passenger side shroud bolt is located just beneath the radiator hose. That said, the only reason I don't have one is because I didn't have a shroud that fit my new fan, so I tried it without one, and unless my gauge is lying (completely possible) and I've been running hot for the last 6 years, I haven't needed one. I am certain with a shroud, I could idle forever and not overheat. The radiator fan on your car draws air in from the grille and over the radiator, where it cools the coolant in the radiator. I'm 100% on the electric fan … Finish unscrewing the fan, and remove the shroud and fan. I checked there website and it states :"Do I need a shroud on my Perma-Cool electric fan? Finally, if you're installing a custom radiator, adding an electric fan is easy and will clean up your underhood considerably. In traffic it sucks i got the 195 thermostat and in traffic it gets really hot n i have to turn on the heat and the temp still reads near the H so im gonna go w/ a 4 row 24" alumn. We settled on this combination … Fan Shroud. In some mild cases a fan shroud is not necessary, but I would always recommend them. IMO a 65-80 amp alt is good to go for most non-efi cars, even with an electric fan setup. This is the easiest part and only requires for you to take off 4 nuts. Electric fan might help too, but if the fan shroud works as expected you don't need the electric fan. Electric Fan. An electric fan and shroud will out-perform an engine driven fan at idle, stop & go, or in-town driving. With the old fan removed, I now returned my attention to merging the electric fan and the old fan shroud in a way that would still maintain a maximum amount of suction. Page 1 of 4 - Flex Fan vs. 2) Take off the fan. Aluminum Fan Shroud with Flex-A-Lite 2500 CFM 16" electric fan. The cooling system is also vital to your engine's performance. If your rail is going to be open air, a fan shroud probably will not be needed to aid the cooling process. Whether or not you will need a shroud depends on how you are building the sandrail. But in florida here i got my 20" 3 row non a/c radiator and and a 7 blade clutch fan and shroud. : I always heard that having a clutch fan in these cars was the best way to go, so some time ago I bought a flex fan. And when it cycles off the alt will be charging the main power cell, the battery. A radiator is useless without airflow, a fan shroud helps direct air through the core. To get maximum airflow through your radiator core, you should use a fan shroud. On the passenger side top and loosen up the fan shroud helps direct air through the to! The cylinder finning, driven by the motor 's fan all the needs! 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