It will reduce the drag on the motor and free up some extra Horsepower. These are the strongest electric fans available. The fan is wired for two different fan speeds described above. Imitation is the greatest form of flattery, these are the fans that are attempted to be imitated. These are not expensive cheaply made fans shrouds with aftermarket motors or fan blades.The shroud covers more than 90% of most of today's radiators, and can be altered for best fit. A fan without a shroud allows air to flow erratically, creating resistance. The shroud allows the air to be concentrated on the radiator only and disperses the air evenly, cooling the entire radiators antifreeze at once. Image is stock picture (not actual picture). The item "Lincoln Mark 8 / Thunderbird 18 inch electric radiator fan Ford Chevy Hotrod" is in sale since Friday, February 26, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Cooling Systems\Fans & Kits". The seller is "airwind123" and is located in Hampton, Virginia. This item can be shipped worldwide.