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8-1/4" Wide x 8" tall x 2-3/8" deep, efficient, reliable tornado fan Improves gas mileage and boosts overall performance by maintaining proper airflow to your vehicle's radiator. Includes toggle switch for manual control.
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Whereas belt-driven fans use up power from the engine to turn, electric fans do not, thus removing any unnecessary load and increasing both fuel economy and horsepower. In addition, you do not have to worry about an electric fan's slowing down at low RPM, as many belt-driven fans do, so you are guaranteed sufficient airflow regardless of the vehicle speed.
Before purchasing an electric fan, be sure to determine the CFM (cubic feet per minute) requirements for your engine. And remember, engines that have been modified or vehicles often used for towing may require additional CFM. There is no limit to the number of fans you can install, as long they all fit appropriately and are mounted on the same side of your radiator so that they do not cancel each other out.
Two types of turn-on sources are available for this fan. The Derale Lighted On/Off Switch for Electric Fans (D16740) allows for manual control of your fan so that you can choose when to turn it on and off. Thermostatic controls, on the other hand, send a signal to the fan, directing it to shut off when fluid temperatures reach an appropriate level, thus saving power. Once the temperature climbs again and additional cooling is needed, the fan is automatically turned back on. Thermostat switches can be single-stage with pre-set temperatures - D16735, D16738, D16739, D16720 and D16721 - or adjustable - D16778 and D16779.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to take a look at the Derale 8 inch Tornado Straight Blade Electric Fan with the Toggle Switch. This 8 inch reversible tornado fan has proven to be a perfect addition to transmission and engine coolers that could use some extra air flow. It will increase fuel economy, horse power, and torque and it improves the overall performance. This fan can be mounted on either side of the cooler as a pusher or a puller with no loss of air flow. It is set up from the factory as a puller application. If you do want to change it to a pusher application, you'll need to remove the fan, flip it over, and reinstall it on to the motor shaft. If you notice, this has a nice ultra low profile design for tight applications.
It does use an ultra quiet patented straight blade design. You can see it's 10 blades on the fan. This part will include everything shown here on the table. It includes the electric fan assembly, the fan mounting kick, the lighted toggle switch with all the hardware for installing that, a 20 amp fuse holder with its hardware, and a nice set of detailed instructions that show you how to install it on to your vehicle. A few specs on this: the maximum cubic feet per minute this fan moves is 500, the power draw is 4.8 amps. I'll give you a few measurements on this. You're going to measure the overall width of it, from this end to this end.
That's going to be right at 8-1/4 inches. The height from the very bottom to the very top is right at 8 inches. The depth from the front right here to the very back is going to be right at 2-3/8ths inch deep. On the fan itself, the fan is an 8 inch diameter fan and the fan is 1-3/8ths inch deep. That should do it for the review on the Derale 8 inch Tornado Straight Blade Electric Fan with the Toggle Switch..
Average Customer Rating: 4.5 out of 5 stars (2 Customer Reviews)
8-1/4" Wide x 8" tall x 2-3/8" deep, efficient, reliable tornado fan Improves gas mileage and boosts overall performance by maintaining proper airflow to your vehicle's radiator. Includes toggle switch for manual control.The fan fit in there perfectly, I’m glad you guys had the info of this fan online! It was perfect for the cooler! It is install to where it pulls the air into the trans cooler and pushes air thru my condensor radiator, it is doings an awesome job! I would give you guys 5 stars but the cable wasn’t long enough, specially when three connections need to be on the back of the switch. I also wish you guys would have added the 25 amp fuse that the instructions asked for. Luckily I had a fuse and some extra cable laying around to make it work. I am happy with the product and it works like a champ.
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