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post #16 of 22 (permalink) Old Sep 23rd, 18, 02:00 AM
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Jim
 
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Re: Electric radiator fan?

I have a pair of 12" Spal's and a Meziere wp that have no problem cooling my 800hp 425ci BBC, I am also running E85 which helps. I don't have an option to run a factory fan.

If you can run what your car came with from the factory and it cools it, keep it. Too often folks succumb to the "wank factor" and they end up worse off and poorer.
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post #17 of 22 (permalink) Old Sep 23rd, 18, 08:41 AM
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Re: Electric radiator fan?

I have a 602 hp 383 small block and use a GM 6 blade steel fan, which keeps it cool with no problem, even if stuck idling in 85 degree weather for 20 minutes or more. It will creep up to 210 or so under those conditions, otherwise it runs 185 all the time and I'm hard on it.
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post #18 of 22 (permalink) Old Sep 24th, 18, 05:22 AM
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Re: Electric radiator fan?

Quote:
Originally Posted by flat tire View Post
I am not going to try to persuade you in any direction, but I tried 2 10" fans with the shroud designed for the radiator and it would not cool my 540 horse 383. with new 3 core radiator and water pump> just saying!
some do not consider hot until the engine reaches 295-300*.
I am not o ne of them.
I have never seen a head gasket blow because the engine was to cold
as far as the oil I put less than 1800 miles per year and then change oil

Quote:
Originally Posted by DOUG G View Post
My twins are 12" I think ? and cooling is not an issue.....I ended up with a Meziere electric pump since I kept throwing belt at 7500+...with the fan controller (Davies Craig) cycling the fans on/off....it's great.

My fans look like....(forget the brand)

This is just my opinion but look at those 2 fan/shroud set ups and tell me what you see. On Flat tires setup you are directing all air through two small holes where the fans are, effectively making your radiator smaller.

On Doug's setup, those Spal fans are a. larger and b. the shroud has those rubber flaps that open when you drive giving you full use of your entire radiator surface area.

I have the same fans Doug has and those things move so much air on high speed that you can hold your hand a foot or so in front of the grill and feel the massive amounts of air pulling in. CFM makes a huge difference.
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post #19 of 22 (permalink) Old Sep 24th, 18, 05:59 AM
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Re: Electric radiator fan?

I stay with the engine driven fan and a 160 thermostat.
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post #20 of 22 (permalink) Old Sep 24th, 18, 07:21 AM
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kevin
 
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Re: Electric radiator fan?

Quote:
Originally Posted by gphusker View Post
This is just my opinion but look at those 2 fan/shroud set ups and tell me what you see. On Flat tires setup you are directing all air through two small holes where the fans are, effectively making your radiator smaller.

On Doug's setup, those Spal fans are a. larger and b. the shroud has those rubber flaps that open when you drive giving you full use of your entire radiator surface area.

I have the same fans Doug has and those things move so much air on high speed that you can hold your hand a foot or so in front of the grill and feel the massive amounts of air pulling in. CFM makes a huge difference.
that was the set up that came with the radiator and I was told it would work
I added the orange flaps to let more air in as I was driving . no help
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post #21 of 22 (permalink) Old Jan 20th, 20, 02:38 PM
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Re: Electric radiator fan?

I have a 383 stroker and was blowing belts off at the track. After a serpentine belt system, went with a single puller fan with the sensor jammed through the aluminum radiator. I have it wired hot so it continues to cycle after shut-down. A little odd sometimes at cruise nights, but less embarrassing than pissing coolant on the ground.
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post #22 of 22 (permalink) Old Jan 20th, 20, 02:52 PM
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Re: Electric radiator fan?

Quote:
Originally Posted by 69r View Post
I have a 383 stroker and was blowing belts off at the track. After a serpentine belt system, went with a single puller fan with the sensor jammed through the aluminum radiator. I have it wired hot so it continues to cycle after shut-down. A little odd sometimes at cruise nights, but less embarrassing than pissing coolant on the ground.
You can use a fan controller that enables you to program run on among other features.

I like the Dakota Digital Dual Fan Control.

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