over heating = 454 in 37 Ford fan in front of radiator, no room on engine side. - Hot Rod Forum : Hotrodders Bulletin Board
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Old 10-21-2011, 10:27 AM
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over heating = 454 in 37 Ford fan in front of radiator, no room on engine side.

I built a 1937 Ford that has a 454 about 425 hp. It runs fine but will over heat driving under 30 and does not like stop and go traffic. A small block fire wall was put in the car by previous owner and he never fit the front end. I put it together and have less than 1 inch between water pump and radiator. I had Howel racing make an aluminum radiator and I run a 26 pound cap. It has gone close to 250 but never boiled. I have a 14 inch 2600 cfm fan as a fusher on front of the radiator. I have a 7 inch fan that I can install on the front of the radiator just before the return. Does any body have any idea if this will help? The 7 inch is 1200 cfm, that is the highest I could find for a small fan.
ANY help would be greatly appreciated. This is not my first hot rod, I have had about 10.
Thanks Art

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Old 10-21-2011, 10:47 AM
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Pusher Fans don't work well, they block much of the airflow. 2 small Puller Fans on the back would work better. 1 above Pump snout & 1 below.
You can try the extra Pusher on front as it can only help.

A custom 2-piece shroud that covers as much of the Rad as possible with 2 Puller Fans spaced a few inches away from the Rad would be best.

Something similar to this style/design >> http://racewayparts.com/z40066dualel...shroudkit.aspx
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Old 10-22-2011, 05:18 PM
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454 in 37

Thanks SSedan 64
I have only 5/8 inch from the front of the water pump to the radiator. I have ordered a piece of aluminum and will try making my own shroud and will cut framing of 12 inch fans
so that they will fit the 14 1/4" X 24" fan. I did see that shroud and fans set up that you referred me to and it will be very close to that.
Thanks for helping.
Art
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Old 10-22-2011, 06:31 PM
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Quote:
Originally Posted by art37
I built a 1937 Ford that has a 454 about 425 hp. It runs fine but will over heat driving under 30 and does not like stop and go traffic. A small block fire wall was put in the car by previous owner and he never fit the front end. I put it together and have less than 1 inch between water pump and radiator. I had Howel racing make an aluminum radiator and I run a 26 pound cap. It has gone close to 250 but never boiled. I have a 14 inch 2600 cfm fan as a fusher on front of the radiator. I have a 7 inch fan that I can install on the front of the radiator just before the return. Does any body have any idea if this will help? The 7 inch is 1200 cfm, that is the highest I could find for a small fan.
ANY help would be greatly appreciated. This is not my first hot rod, I have had about 10.
Thanks Art
If you have an automatic trans you can eliminate the cooler from the radiator by using an auxiliary ATF cooler to lessen the amount of heat going into the cooling system. This won't make a huge difference but could be enough to drop the engine temp 15-20. Besides, you sure as heck don't want the trans to run anywhere near 250!

An auxiliary engine oil cooler could also help matters.
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Old 10-22-2011, 06:46 PM
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Big block Ford in coupe

Had the same problem I finally baffled the whole front of the radiator including the bottom. This is what we done in circle track racing years ago to keep the engine cool. This worked for me(my fan was in front also)
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Old 10-22-2011, 09:54 PM
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heater ?

We used to roll down the windows, sometimes block the door part way open when driving a fully loaded truck up a hill and turn the heater on high. that would bring the temp down. I knew a guy that added an exra heater under the bed and could switch it on to help cool the engine
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Old 10-22-2011, 10:35 PM
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My friend has a 32 ford with a blown 406 on the street and runs a electric water pump,it has trouble getting to 160.
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Old 10-23-2011, 07:53 AM
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fan

the only thing i see as a "might be" problem is the fan u are using now.. 14" ??? is that the largest u can put on your rad?? i'd be going with a 16" at over 2000cfm. u need more coverage of the rad if u can get it...get the biggest in dia u can fit...
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Old 10-23-2011, 08:09 AM
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you need more cfms. closer to 4000 cfms for a 454.

would be nice to move the radiator on the other side of the support and use a fan taurus fan as a puller (4500 cfm, 2 speed fan).
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Old 10-23-2011, 08:15 AM
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overheating..........

Hi,why not put an AIR DAM under the radiator,like GM did on the Camaro and Firebirds,the suction pulls more air thru the radiator...
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