WebJun 1, 2024 · Feb 11, 2012. #6. I would stick with the fan clutch, mechanical is always better IMHO. If you lose your alternator you will run out of juice and overheat, but if you have a clutch fan you can keep … WebMay 6, 2005 · Joined Jan 28, 2003. 78 Posts. #7 · May 5, 2005. A couple of years ago I installed an electric fan and a complete set of underdriven pulley's with the aluminum brackets. In a SBC 69 chevelle I went from 12.9 to 12.7 with no other changes. The car has power steering, and even being underdriven , no cooling issues.
Electric Fan Equals Better Fuel Mileage? GM Truck Club Forum
WebA Flex-Fan w/Billet Aluminum Spacer or a Black Magic Electric Fan: The Flex-Fan has fan blades that flatten out at higher RPM to reduce fan drag. At lower RPM, the blades return to their original shape to pull the maximum amount of air through the radiator and fan shroud. It is important to understand that a Flex-Fan is most efficient when it ... WebDec 26, 2014 · Opinion: 1. Flex fan is dangerous. 2. Electric fan is inefficient: Belt drive a generator to charge a battery and/or provide current to run an electric motor to turn a fan. 3. Belt drive a fan. #3 is the way to … fold away beds walmart
Dyno test: electric fans Team Chevelle
WebJun 19, 2011 · 1984 Jeep CJ-7 Renegade. Joined Jan 24, 2007. 10,546 Posts. #19 · Jun 19, 2011. Use my OEM 4 blade fixed mechanical fan blade on the 258 engine but had the OEM radiator re-cored from 2 to 3 and has never overheated in its lifetime so far. Plus, I love the sound the four blade cooling fan makes along with the I6 engine. WebA Flex-Fan w/Billet Aluminum Spacer or a Black Magic Electric Fan: The Flex-Fan has fan blades that flatten out at higher RPM to reduce fan drag. At lower RPM, the blades … WebMay 7, 2024 · Good video though, illustrates how much difference can be made by something you wouldn't normally give a lot of thought to. Extreme cooling requires extreme CFM, something that no electric fan can do compared to a proper mechanical, engine driven fan. A Mark VIII can move upwards of 5,000CFM. foldaway bed with mattress