Place your radiator engine side up on your work surface. Place and re-align your finished fan shroud in its final mounting position on your radiator. Drill and secure your fan shroud permanently to the side channels of the radiator based on your previous marking. (See PHOTO 12.)
How to build a fan shroud for a radiator?
- The diameter of your fan - mine was 19 inches
- The dimensions of your radiator core - mine was 18 inches high x 22 inches wide
- Position of fan center in relationship to radiator core - my fan was centered horizontally and 8 1/2 inches from the top of the rad core
- Depth of fan shroud. The fan shroud extend to only over 1/2 of the fan blade. ...
What does a radiator fan shroud do?
- All shrouded fans should be on the engine side, no exceptions.
- Electric fans are preferred to mechanical belt driven fans, mainly due to the fan being driven off the engine and not only robbing you of horsepower but running at all ...
- NEVER use the radiator as a ground. ...
What is the Best Fan for a radiator?
- Fan Diameter: 285mm
- Mishimoto Lifetime Warranty
- Fan provides 1150 CFM of airflow
- Easily reversible for use as puller or pusher fan
- Compact design with overall thickness of2.5″
- 10 Blade Style
How to troubleshoot a radiator fan?
Contents of this tutorial:
- Symptoms Of A Bad Radiator Fan Motor.
- Honda Accord Radiator Fan Motor Basics.
- START HERE: Troubleshooting The Radiator Fan Motor.
- TEST 1: Applying Power And Ground To The Radiator Fan Motor.
- TEST 2: Bypassing The Radiator Fan Switch.
- Jumper Wire With Alligator Clips With Rubber Insulating Protectors.
- Where To Buy The Radiator Fan Motor And Save.
How do you make your own radiator fan shroud?
22:1323:58How to make a fan shroud for electric fans - YouTubeYouTubeStart of suggested clipEnd of suggested clipOne simple little fan shroud you can make you can make that out of steel if you want to if you'reMoreOne simple little fan shroud you can make you can make that out of steel if you want to if you're building a hot rod uh or aluminum like you don't need nothing heavy.
Does an electric radiator fan need a shroud?
To get maximum airflow through your radiator core, you should use a fan shroud. A fan shroud ensures that air is moving through the radiator core and not around it. A radiator is useless without airflow, a fan shroud helps direct air through the core. Make sure you use one in your vehicle.
How do you attach a radiator fan to an electric shroud?
2:324:28Mounting Electric Fans & Shroud on a Performance Aluminum RadiatorYouTubeStart of suggested clipEnd of suggested clipI'm going to put the typical fan straps that basically are zip ties that go right through theMoreI'm going to put the typical fan straps that basically are zip ties that go right through the radiator. And secure the middle that'll be a nice lightweight way to anchor.
How thick should a fan shroud be?
Fan and shroud assembly are 2-5/8-inches thick, the same as the clearance between the core and water pump hub. Fan guard tapers down as it radiates out from the center so sufficient clearance is attained.
How far should an electric fan be from the radiator?
The fan is designed to create negative pressure behind the radiator to pull air through. But the farther away the fan is from the radiator, the less effective it becomes. Flex-A-lite recommends that the fan blades be within 1 inch of the radiator and no more than 2 inches away. But that may not be enough.
How much difference does a fan shroud make?
Without a shroud, that's a waste of 143 square inches (38%) of the cooling capacity. A properly fitting fan shroud ensures that 100% of the radiator is being used. As an added benefit, the shroud also protects you, the fan, and the radiator. The shroud keeps road debris from hitting the fan and radiator.
How do you hook up a radiator fan to a radiator?
1:082:33How to Install the Fans to the Radiator - YouTubeYouTubeStart of suggested clipEnd of suggested clipAlign the fan holes to the radiator holes and use the longer screws that come in a package one proMoreAlign the fan holes to the radiator holes and use the longer screws that come in a package one pro tip always think ahead about the cables. And where they will pass through the case.
How do you measure a radiator shroud?
Measure the overall length of your radiator including any valves and pipes. Round this number up to the nearest inch, then add 2 inches. In the example in Figure 1, the radiator is 48.25" long, so round up to 49" and add 2 inches, giving a length of 51". This will be the interior length of your radiator cover.
Should radiator fans push or pull?
A Push configuration is more efficient in cooling when its blowing cool(er) air from outside the plenum through a radiator. A Push also makes your build louder. In Pull configuration the fan or fans are drawing an air stream out of the radiator.
What is a fan shroud?
A fan shroud does much more than just dress up the engine compartment. A properly built shroud will greatly improve the efficiency of a pull fan as it draws air through the radiator. The circular area of even a large fan is significantly smaller than the rectangular surface area of the radiator. That means that, by itself, ...
How much circumference did Brian add to the shroud?
Brian added 3 inches around the perimeter which would become the flange of the shroud. After finding the center point of the opening, he marked out the circumference with a compass. He reduced the 15 1/2-inch circle by 1/4-inch in order to create a lip.
Why should a radiator fan not be positioned too close to the radiator?
In addition, the fan should not be positioned too close to the radiator surface, to prevent the blades from hitting the radiator if they flex or in the event of any engine movement.
What is the best way to block out air from a radiator?
The solution is a fan shroud. Shrouds block out any air that isn't drawn through the radiator, and create a vacuum to expand the fan's ability pull from the entire surface area of the radiator. A secondary advantage of a shroud is that it can shield the radiator from heat from the engine.
Where should the fan blades be located?
The blades should be located halfway into the rear opening of the shroud. If the fan is out too far, it will draw outside air.
How tall is the radiator in a 1932 Ford?
The radiator in Richard Mikami's big-block powered 1932 Ford coupe has a 22-inch tall core. The 14 1/2-inch mechanical fan is large enough to cover the width of the radiator, but is unable to draw air from the upper portion of the core without some help.