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Old 04-27-2003, 09:07 PM   #1
XXL
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Question electric fan sizing

Is a single 16" puller fan mounted in a shroud sufficient to keep the engine cool? Figure a mild big block for engine.

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Old 04-28-2003, 05:30 AM   #2
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I would say questionable, i have dual 12's that work perfect.
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Old 04-28-2003, 11:46 AM   #3
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Ken,

I think it depends on alot of things...I assume you will be using a stock 4 core or aluminum? Electric or, mechanical water pump?

When I installed my 502 I purchased a BeCool module which included twin fans, shroud and radiator...it was expensive but it keeps the motor cool.....I heard Vintage Air (not sure if thats correct) has a twin fan/shroud combo for the 67-72 trucks..
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Old 04-28-2003, 12:19 PM   #4
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old air
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Old 04-28-2003, 12:24 PM   #5
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Sorry....I am a goober...I knew it was an "air" vendor....but couldn't remember which.....
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Old 04-28-2003, 12:26 PM   #6
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only reason i knew was because i almost bought it. kinda out of my budget at the current time
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Old 05-10-2003, 08:59 PM   #7
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Just posted an ebay seller review relating to the fans I bought the other day...

http://67-72chevytrucks.com/vboard/s...threadid=52263
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Old 05-10-2003, 10:40 PM   #8
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fan size

like the old saying bigger is better! go to your local NAPA or part master store and look at the back of a fan package some tell what size fan you need. It goes by cubic inch or horse power of your motor I can't remember which for sure. My sons 327 called for twin 12" !
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