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

Running some weight numbers.

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Old Nov 24, 2007 | 03:04 PM
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Unhappy Running some weight numbers.

I have searched all over the Net and I can't find the weight of a 48 Flathead Six. I am doing some number chrunching for my Street Rod built 48 F1 and have everything but the weight of the six that came in the pickup.
 
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Old Nov 24, 2007 | 04:28 PM
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48,

I thought I remembered seeing that on Dave Williams site

http://www.bacomatic.org/~dw/library/library.htm

an excellent tech site with a lean toward ford stuff... but lots of other goodies too...

best I could do was a flathead v-8 ('53 239) at 550#s... just use that weight and subtract 2 cylinders

sorry...

later
John
 
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Old Nov 24, 2007 | 04:54 PM
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I knew somebody who had one, but it's been scrapped.

It should be within a few pounds of a later six, non-EFI engine, it was pretty close to the same size outwardly.
 
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Old Nov 25, 2007 | 10:54 AM
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Thanks for the help but still no luck. I am trying to do a match up as close the torque max. for my rear suspension, engine and choice of transmission. I know that the original F1 has a curb weight of 3,120 Lbs. Just can't find the weight of the original 6. I am replacing the 6 with a stroked 351M. This weight is 575 Lbs.
 
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Old Nov 25, 2007 | 10:56 AM
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According to the chart on the page John listed a flathead V-8 weighs 569 pounds.

In the book "Standard catalog of Light-Duty Ford Trucks, 1905-2002",
the difference between a '48 -50 F-1 chassis with a six and one with a V-8 is 40 pounds. Making the flat six about 530 pounds.

One interesting note, according to this book, while the weight differences between the 6 & 8 cylinder trucks stayed the same, the overall weights between the years changed. I wonder what was added to increase the weight.
 
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Old Nov 25, 2007 | 12:02 PM
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the flathead six weighs exactly 542.75 lbs with all standard equipment and fluids when described for "Curb Weight".
 
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Old Nov 25, 2007 | 02:01 PM
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Picky, picky, picky. Dick, I got it within 15 pounds
 
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Old Nov 25, 2007 | 02:19 PM
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Originally Posted by bobj49f2
Picky, picky, picky. Dick, I got it within 15 pounds
12.75.....hehe
 
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Old Nov 25, 2007 | 02:56 PM
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Now that's picky!
 
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Old Nov 25, 2007 | 04:14 PM
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Just out of curiousity, what would a stroked 351W weigh in at? The clevelands and M's were a heavy engine...
 
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Old Nov 25, 2007 | 04:35 PM
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351 Cleveland = 550 - 18 (stroke)= 532 - 1 (cleanup bore)= 531 +6 (paint)=537 + 5 (extra chrome)= 542 + 8 (BS Formulation) = 550.
 
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Old Nov 26, 2007 | 10:32 AM
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Thanks for all the information. FYI the 531M comes in at 575 lbs. that would be +-32.25 lbs. heavier then a M block.
 
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