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Joined: Feb 2010
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I'm installing a 261 engine in my 1950 chevy car. (short water pump), original radiator. Is there a good fan choice to replace the stock 261 truck fan(4 blades)?

Joined: Mar 2015
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I have been using the narrow flex fan. No issues yet.

http://www.code510.com/media/catalog/pro...ation-86200.jpg


52 3100,235ci,Clifford In,Fenton Ex,Fitech EFI,251/254 cam,HEI,T-5,S10 rear, and much more!
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I answered in the wrong post. My preference is for electric fans. If you save 5 HP on a 100 HP engine. Huge savings!


Inliner Member 1716
65 Chevelle Wagon and 41 Hudson Pickup
Information and parts www.12bolt.com

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I agree on electric. Take a bit off the engine load and a lot off the noise load.

..I didn't notice a lot of extra power wen I did mine, though... but it sure quieted the car, it warms up faster, and I'm not scared of cutting off my fingers anymore.

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I agree on electric. Take a bit off the engine load and a lot off the noise load.

..I didn't notice a lot of extra power wen I did mine, though... but it sure quieted the car, it warms up faster, and I'm not scared of cutting off my fingers anymore.

Here's something surprising for you: I got my fan at Autozone and it's been great. Picked up the thermostat anD switch at NAPA. You can get both for under $100 and do it this weekend.

Joined: Feb 2014
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I have dual small electric fans on the stock size radiator on my '78 Camaro. Not enough clearance with the water pump to put a large fan in behind. Sure reduced under hood noise (after replacing alternator and water pump). Bumped up fuel economy noticeably over stock fan.

The other option is the later 250/292 three-blade clutch fan, if that fits the 261 water pump.

Joined: Dec 2014
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Here are the p/n's of my whole setup. I haven't installed the electric fan yet, so we'll see how it goes.

Be-Cool
· 12009 Radiator
· 75014 Electric Fan
· 72231 Fan Brackets
· 75021 Wiring Harness
· 70003 Recovery Tank
· 70001 Billet Radiator Cap


Mark
'67 Camaro L6-250
Joined: Jan 2015
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Also agreeing with the electric fan. Cheap way to add a bit of power and increase mileage. Also helps to warm the engine up faster. And even helps keeping it cooler...especially on a hot day idling around town.


1966 C10 292/tko600 http://67-72chevytrucks.com/vboard/showthread.php?t=596643
1964 C20 292/sm420

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