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

Leaf spring U-bolts

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Old Oct 25, 2005 | 06:34 PM
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scottjo
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Leaf spring U-bolts

Are the U-bolts the same size in a 1955 F-100 and F-250 rear leafs, or would they be too narrow and not long enough. I'm putting together a stock suspension F-250 and can't get a clear answer from the parts books thought you guys may have some personal experience.

Thanks
-Scott-
 
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Old Oct 25, 2005 | 07:19 PM
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If I'm not mistaken they are not interchangeable. The F-250 U-bolts fit a 3" axle tube and the F-100 axle is smaller. I'm sure someone with more experience will be around in a bit and confirm this.

Have a great day.

Bob G
 
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Old Oct 25, 2005 | 07:21 PM
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I don't think they would be, but I don't know. I do know that if you need a couple you can run down to your local truck spring shop and have them made - likely for less than you would spend ordering from the repo guys, and you would know they were correct for your use.

I wasted a lot of time and money on my springs buying parts that didn't work from the repo people, only to have the local spring shop have every bushing and bolt I needed on the shelf and for less money.
 
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Old Oct 26, 2005 | 12:20 AM
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The stock parts won't interchange between an F-100 and an F-250, the F-250 axle and springs are bigger. Most of the stock F-250 suspension parts are available from various vendors. I used Joblot Automotive in NY when I did my F-250. A local spring shop can probably make them up for you as well.
 
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Old Oct 26, 2005 | 07:41 AM
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Originally Posted by Earl
The stock parts won't interchange between an F-100 and an F-250, the F-250 axle and springs are bigger. Most of the stock F-250 suspension parts are available from various vendors. I used Joblot Automotive in NY when I did my F-250. A local spring shop can probably make them up for you as well.
This is also true for the 48-52 F-1 versus the F2 and F3 trucks. Both The springs and axle is wider and the U-bolts will not interchange...

Vern
 
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Old Oct 27, 2005 | 02:50 AM
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You could go to a spring shop and have some made that is what I did fo my 59 4x4...
 
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Old Oct 27, 2005 | 07:50 AM
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Thanks for the replies I will have to check with a spring shop when I get down in the area where my truck is becasue I haven't found anything with in 50 miles of where I'm at now.

-Scott-
 
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