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Electric cooling fan

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Old 01-11-2011, 10:44 AM   #1
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Electric cooling fan

What size electric cooling fan are most of you using with the 350 engine swap?????
Old 01-11-2011, 12:10 PM   #2
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Re: Electric cooling fan

My advice, go with biggest you can fit, or a couple of 10-12" ones..

I have 2 10" Zirgos high CFM ones on the way..I'll let ya know how they do.
Old 01-11-2011, 12:40 PM   #3
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Re: Electric cooling fan

Thanks, I was going to buy a 16 in 2250CFM , before I purchased I wanted to see what other 350 users were using
Old 01-11-2011, 02:45 PM   #4
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Re: Electric cooling fan

im using dual electric fans from a 2000 ish malibu, not sure of the cfm but they fit as pushers right where the ac cond. was.
Old 01-11-2011, 03:15 PM   #5
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Re: Electric cooling fan



I would do like I did here..& cut out a hold for the fan. Mounting it on the radiator is fine, but I think it'll cool better w/the shroud.

I had it just mounted on the radiator on my 4.3 & it did awesome, but the V8 will run a lil hotter I assume.
Old 01-11-2011, 04:38 PM   #6
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Re: Electric cooling fan

A v8 will run hotter esp if you are running inner fenders. A shroud is key to making an electric fan work at its best. It also needs to be spaced a bit from the rad and not just laying flat on the core. A good cheap trick is to use aluminum cookie trays sized the closest you can find to the core size of the rad. Cut the hole(s) for the fan(s) and mount that to the rad.
Old 01-11-2011, 05:17 PM   #7
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Re: Electric cooling fan

My shroud is about 5/8" - 3/4" away.
Old 01-11-2011, 08:34 PM   #8
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Re: Electric cooling fan

Mine is just ugly as sin but its a mud buggy.

Old 01-14-2011, 12:43 AM   #9
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Re: Electric cooling fan

Quote: Originally Posted by neo71665
A shroud is key to making an electric fan work at its best. It also needs to be spaced a bit from the rad and not just laying flat on the core.

Exactly!

I ran two 14" Perma Cools in a shroud that I made when I had the sbc's in my truck. My truck is/was way heavier than most S10's so it was under a greater load all of the time. With that setup I could pull a fullsized car or truck on a trailer in the middle of July and it would never heat up at highway speeds or setting still, so I know they can be made to work great.

Always mount them as puller on the engine side of the radiator and always shroud them.
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