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If you have a flex fan or a metal fan. if you have a heavy metal fan, go get the factory clutch for the fan and use it and it works, so i have heard, better than a flex fan. maybe a bigger fan, maybe you don't have the fan shroud on. that helps it pull air thru the radiator too. ... I hope this will help you out as I have two chevy s10's with ...Compressor Works Flex Fan Blade 221619 $ 34. 99. Clearance. Part # 221619. SKU # 267104. Check if this fits your Chevrolet. Free In-Store Pick Up. SELECT STORE. Home Delivery. Not Available. Add TO CART. Sponsored. Derale Flex Fan Blade 17017. Sponsored. Derale Flex Fan Blade 17017 $ 62. 49. Part # 17017. SKU # 712548.Changing your motor mounts can save you some money and time at the mechanic. Broken and worn motor mounts can be the cause of a lot of vibrations and possibly cause the engine to f...May 20, 2002 · J. Jakesteramalamajama. 1744 posts · Joined 2001. #4 · May 21, 2002. A mechnical fan with a good shroud can pull 4 or 5000 CFM easy. It's all here before your eyes / Safety is a big disguise / That hides among the other lies. Like. S. scwafish.Mechanical flex fans, also known as flex fans or lightweight fans, are a type of cooling fan commonly used in automotive applications to provide engine cooling. Unlike traditional rigid fans, flex fans feature blades that are designed to flex and flatten out at higher engine speeds, reducing the load on the engine and improving cooling ...2016 Silver 16" 6-Blade Belt Driven Flex Fan. Visit the Flex-a-lite Store. 4.5 26 ratings. | Search this page. $7127. $ 55 64. Industry-leading Flex Fans now available in premium Silver finish. Specially formulated silver coating won't degrade or lose luster in the harsh environment of an engine compartment.Jul 11, 2007 · The fan is installed backwards I can assure you. The fan will pull air through the radiator the way it is installed but not very efficiently. If you look closely the fan blades will have a staight edge on one side and a curved edge on the other. the straight edge (leading edge) cuts into the air and the rounded side (trailing edge) will have a slight "cup" to it that pushes the air backwards ...Feb 7, 2007 · Read your posts and have been mulling over the same question since last summer. I have a "69" with a 350 and a 18 " flex-fan. Although it cools well, at 60 MPH with a 4 speed and a 3:55 rear end it sounds like a 747 going down the road.I have a 350 in my 72 Chevy truck and it runs about 160 driving seldom gets up to 190-200. I have a flex fan and a 3-core radiator. All in all, she runs pretty cool most of the time, unless pulling heavy loads are sitting in traffic, but it still doesn't go over 200. Your's sounds like the fan isn't doing it's job to me.Aug 29, 2017 · Chevy II Guy. Engine Masters did a dyno test on an OEM clutch fan vs. a flex fan, vs. a fan with no clutch. The conclusion was that the clutch fan used MUCH less hp than the flex fan or fan with no clutch. I would either run a clutch fan or electric fans. 1964 Chevy II Nova. Kuntz & Co. 383 Stroker, 4L60E, 3,000 stall, 9" with 3.50 gears.Flex-A-Lite Wide Blade Flex Fans 1317. Fan, Flex-Type, Wide Blade, Clockwise, 17 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each. Part Number: FLX-104482. ( 10 )O'Reilly Auto Parts has the parts and accessories, tools, and the knowledge you may need to repair your vehicle the right way. Shop O'Reilly Auto Parts online.Torque Specs for Small Block Chevy Engines Part Bolt Size Minimum Maximum Camshaft Sprocket 5/16"-18 15 ft. lbs. 25 ft. lbs. Connecting Rod 3/8"-24 30 ft. lbs. 35 ft. lbs. Cylinder Head (oiled) 7/16"-14 60 ft. lbs. 70 ft. lbs. ... Fan Blade Assembly to …19115 - Derale High Performance Flex Fans is rated 5.0 out of 5 by 3. Rated 5 out of 5 by Capt Z from Excellent Keeps engine a lot cooler pulling a load, And don't have to worry with a failing fan clutches. Date published: 2020-09-28. y_2024, m_5, d_24, h_6; bvseo_bulk, prod_bvrr, vn_bulk_3.0.42;-Factory 18" 5 blade fan from a 1971 K10 in excellent condition. Correct 2 1/4" spacer with factory mounting bolts. Single groove water pump pulley. Part #339556 AS. $110 shipped. SOLD-NOS P.S.S. 17" gold and chrome flex fan. Cool, vintage hot rod piece. $60 shipped-18" black flex fan in good shape. $40 shipped-16" blue flex fan in good …farmboy2. 428 posts · Joined 2016. #5 · Jan 26, 2017. looking for fan. My 55 350 with a/c 5 blade fan and shroud ran extremely hot when a/c on until i added 17" pusher fan and closed system cooling. Prob solved. GENO99100 Discussion starter. 62 posts · Joined 2015. #10 · Feb 3, 2017.There are several variations of the Chevy 350 engine that come with different horsepower ratings. Chevrolet indicates that the deluxe model of its small crate engine has 290 horsep...Jun 29, 2009 · You should use a clutch type fan (not a flex fan). And the shroud should fit the fan blades with a 1/2 inch to 3/4 inch side clearance. Plus the blade width should be 1/2 in the shroud and 1/2 out. And he did have better results using a ford taurus electric fan than a mechanical fan setup. But these fans pull some serious power.Fan Spacer, 0.625 in. Pilot Diameter, Aluminum, Natural, 2.25 in. Thick, Ford, Each. Estimated Ship Date: Monday 6/3/2024. Jumpstart Your Next Project! Find Mechanical Fan Spacers and get Free Shipping on Orders Over $109 at Summit Racing!Flex-A-Lite Fan Spacers and Adapters allow you to remove an original equipment fan clutch from your engine and add a direct drive flex fan. They allow you to adjust your new fan to within 3/4" to 1" from the radiator's surface where a belt driven fan works best and center the fan to the "sweet spot" in the fan shroud opening.Flex-A-Lite Nylon Mechanical Fans 418. Fan, Flex-Type, Clockwise, 18.375 in. Diameter, Nylon Blades/Hub, Universal, Each. Find CHEVROLET 5.7L/350 Chevy small block Gen I Flex-a-lite Fans, Mechanical and get Free Shipping on Orders Over $109 at Summit Racing!The firing order of all small-block Chevy engines, including the 350, is 1-8-4-3-6-5-7-2. The rotor under the distributor turns in a clockwise direction. Chevy small-block engines ...If the fan is too far into the shroud, the air that slings off the ends of the blades causes a turbalance inside the shroud, disrupting the air flow. If the fan isn't in the shroud far enough, it defeats the purpose of the shroud, because it doesn't pull all the air through the shroud. Sent from my 1981 IBM 5150 PC.

Flex-A-Lite was founded in 1962 with the original Flex Fan concept. These Flex Fans became the standard for engine-driven cooling fans, combining good looks with high efficiency. Flex-A-Lite has made continuous advancements in Flex Fan technology and design, and the latest innovation is a premium, high-tech silver coating which is more …I switched from a non-clutch hi-po 7-blade steel fan to a junkyard OEM 5-blade fan with a new clutch. I did it mainly for noise reduction (made a big difference), but picked up 1-1/2 to 2 mpg at a steady 2200rpm cruise with very little noticable loss in cooling efficiency. -'63 Chevy II wagon, 350/700R4, 3.73, TCI MII.Flex-A-Lite ® introduced the first electric engine-cooling fan to the U.S. aftermarket in 1978. We continually develop, refine and expand this product group to provide electric fans for all types of automotive use. Electric fans keep your engine cool, and improve the horsepower and torque at the wheels by eliminating the parasitic drag of the stock belt-driven fan.6548 posts · Joined 2006. #5 · Dec 10, 2012. bolt holes. wrong fans sometimes work ok at slow speed then not let air flow at highway speeds. I even heard of one guy that rat tail filed the holes so the Wrong fan could bolt on. actually the reverse rotation water pumps were designed to pump water the intended direction.

Flex fans pull in more air through the radiator than the clutch fans. This feature is more helpful when the engine runs at high compression ratios, making cooling harder. It means the engine can cool much faster and better than when any other fan is used. These fans offer more support in idle or slow-speed applications.55-56-57 Chevy Forum. Cooling Systems, Radiators, Fans / A/C Debating a clutch-type cooling fan ... I've had flex fans on my '55 wagon which had a 350 and a '71 Dodge truck with a 360. Had metal fatigue mechanical failures with both flex fans and would not even consider using another. Switched to a factory fan with clutch on both ……

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Jul 8, 2009 · 10855 posts · Joi. Possible cause: 1-16 of 384 results for "chevy 350 fan" Results. Check each product pag.