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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

What radiator to use?

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Old May 7, 2007 | 11:01 PM
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What radiator to use?

I tried to search and found nothing. I am using a 400M motor in a 1950ish F1 pickup. What aftermarket, or late model radiator would work/fit? What radiator are you out there with late model v8's using?
Thanks,
CHAZ
 
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Old May 7, 2007 | 11:53 PM
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I'm using one from U.S. Radiator. They make direct bolt in replacements for our trucks with a larger capacity for engine swaps. I also have a 400....a little warmed over in my '53.

http://www.usradiator.com/
 
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Old May 8, 2007 | 06:09 AM
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I used one from a 75 Dodge pickup in my 48. It fits within the confines of the radiator support well but not sure where you need the outlets for a 400M. The outlets on the Dodge radiator are top left and bottom right.
 
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Old May 8, 2007 | 07:51 AM
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Rad & Fan Completed

I used one from US Radiator also, the "desert" heavy duty one, bolts right in using original mounting holes, three on each side of the rad yoke or core. Works like a champ. They can put the upper and lower hose connections anywhere you want.
 
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Old May 8, 2007 | 08:22 AM
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I have a 49 F1 with a Caddy 500ci. I am using the Dodge truck radiator

US Radiator has a great online catalog that shows you pictures with dimensions, inlets, outlets, brackets, etc. Here's a couple of links that I used back when I was trying to make something fit

http://www.usradiator.com/catalog.htm
http://www.radiatorbarn.com/

Good luck with it
Bobby
 
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Old May 8, 2007 | 09:38 AM
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I neglected to mention that my truck is channeled over the frame 6", so I am dealing with a little less height than stock! Will a stock v8 radiator for the F1 (1950) cool a modern v8?

Thanks,
CHAZ
 
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Old May 8, 2007 | 04:58 PM
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Originally Posted by hoof
I neglected to mention that my truck is channeled over the frame 6", so I am dealing with a little less height than stock! Will a stock v8 radiator for the F1 (1950) cool a modern v8?

Thanks,
CHAZ
The problem with the stock v8 radiator for your truck is it's actually two radiators. One for each head. Two water pumps, etc.....so the long and short of it is unfortunately not.
The previous owner of my 51 installed a radiator from a 55-57 Chevy Belair for the 289 that he installed. It was leaking so I bought a new aluminum Be Cool radiator from Summit for the same model car and it dropped right in. A little on the very expensive side, but it's my daily driver. It's a downflow single pass radiator rated for 600 HP (not like I'll need that much) I've been very happy with it and the fit is near perfect for the stock opening. You might have to fabricate some new mounting brackets, but that's about it.
 
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Old May 8, 2007 | 05:12 PM
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Originally Posted by GreatNorthWoods
I used one from a 75 Dodge pickup in my 48. It fits within the confines of the radiator support well but not sure where you need the outlets for a 400M. The outlets on the Dodge radiator are top left and bottom right.
I am faced with this very same issue. I was looking for a rad that I could use that would fit in the stock space with out going to a custom built rad. How did you mount the rad and did you need to do any modifications the brackets as far as bolting the thing in?
 
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Old May 8, 2007 | 10:42 PM
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I was checking Ebay today (my go to for anything) and I found a couple places that offered a wide range of sizes for a semi custom fit. The prices for an aluminum unit weren't that bad either. They were bare bones "race" models, no puke tank or anything, but I would imagine I could figure that out? I guess until I get the motor set, and the sheetmetal on I won't really know what size I can get away with.

Thanks,
CHAZ
 
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Old May 8, 2007 | 10:50 PM
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A few weeks ago there was a readiator thread. The guy ended up buying a new radiator from Speedway Motors. I believe that he ended up paying less than $200 bucks, the radiators were available in several different sizes.

Either do a search here and see if you can find the thread or searh Speedway Motors. I believe it was in the racing section and not the street rod section of their catalog.

Jut a note on using the search function on this site. Don't just click on "search" and type in your keyword. Click on the little white triangle to the right of "search" and then in the bottom of the drop down box that pops uo click on "advanced search"
Then you can choose which forum to search. This helps to narrow down all the postings. I typically only search in the 48-60 Forum.

Bobby
 
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Old May 9, 2007 | 06:05 AM
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Hoof, I am also using the mid 70's Dodge truck radiator in my 49 thanks to input from Bobby and Vern. I am running a sbc so the water pump inlet is on the passengers side (which is the same as for the Dodge truck). You have not indicated what side the 400 water pump inlet is on. What side is it?

If you look at my gallery you can see the radiator mounted. I am using the stock radiator core support located in the V-8 position and stepped the rear radiator flange on the Dodge radiator back about an inch from the original mount holes in the core support. I fabricated the spacers from 1 1/4 " square tube stock. You can see the top of the spacer in one of the photos in my AC album.

I previously ran a recored original V-8 radiator with one inlet and one outlet blocked off cooling a 322 V-8 Buick (56 Nailhead) in my 49. It cooled fine (I flat towed a Model A cross country in hot weather with that radiator/engine in the late 70's)
 

Last edited by 49willard; May 9, 2007 at 06:12 AM.
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Old May 9, 2007 | 07:33 AM
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Originally Posted by hoof
I neglected to mention that my truck is channeled over the frame 6", so I am dealing with a little less height than stock! Will a stock v8 radiator for the F1 (1950) cool a modern v8?

Thanks,
CHAZ
The Dodge radiator is considerably shorter than the stock radiator so the channel job should not be an issue. The stock radiator for a flathead V8 will cool virtually anything. It has a very high coolant capacity. The biggest problem is the low pressure cap. The higher the pressure you can run the higher the boiling point is raised...
 
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Old May 9, 2007 | 07:46 AM
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Originally Posted by Kusto
I am faced with this very same issue. I was looking for a rad that I could use that would fit in the stock space with out going to a custom built rad. How did you mount the rad and did you need to do any modifications the brackets as far as bolting the thing in?
The Dodge radiator has a U shaped bracket on the sides. The leading or trailing edge of the U can be removed (I removed the leading edge) depending on your fan location/clearance requirements. After that, it is just a matter of drilling holes in the remaining portion of the bracket. In my case I knocked off the cage nuts on the radiator support and ran long bolts with one inch spacers to bolt it in. I don't have any really good pictures of the radiator installation as I lost a roll of film I took during that part of the build. Here's one...

 
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