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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

Pins on the frame?

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Old May 18, 2015 | 09:04 AM
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Pins on the frame?



Can you guys educate me as to the reason there are several pins on the bottom of the frames?
 
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Old May 18, 2015 | 09:09 AM
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Maybe that's how it was mounted to the assembly line during production?

Possibly a mount-point for a jack?
 
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Old May 18, 2015 | 09:39 AM
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I've wondered myself
 
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Old May 18, 2015 | 09:53 AM
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I had mucho trucks this body style. Some have them, some don't.
At present, my 69 doesn't, but my sons 69 does.
 
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Old May 18, 2015 | 10:12 AM
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Mine has six of them. A buddie's 70 model has four. Very confusing.
 
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Old May 18, 2015 | 10:20 AM
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I think the old timers put them there and laughed their butts off, " I wonder how many guys will crack their head on that?"
 
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Old May 19, 2015 | 02:49 PM
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I do not know for sure. But I have two possibilities.
1. They sat down in some holes on the assembly line to move it along. Different plants may have had different jigs to hold the frame. Which could be why some mentioned had 6,4,or none.
2. To keep the frames separated while stacked in the "frame yard".
 
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Old May 19, 2015 | 02:52 PM
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Interesting. My 67 doesn't have them.
 
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Old May 19, 2015 | 09:10 PM
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Originally Posted by TeachNlive4ever
I think the old timers put them there and laughed their butts off, " I wonder how many guys will crack their head on that?"
I wonder if this kinda thing actually happens or not. Lol
 
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Old May 19, 2015 | 09:35 PM
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Randle has pics of his frame upside-down in primer in his build thread and his are in the same location as mine.
 
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Old May 20, 2015 | 12:43 AM
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Let's check out Jeff's theory of being certain factory jig locating pins by having everybody post where their's was built, and if it has pins or not.
Edit: also add if 2wd/4wd/100/250/350 to see if it is just 2wd or split between these variables. My 70 Canadian built CC F-250 4wd doesn't have them.
Edit: I think that my 72 San Jose built F-100 2wd had them.
 
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Old May 20, 2015 | 12:54 AM
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My 71 2wd longbed has them. It came out of Kansas City, MO.
 
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Old May 20, 2015 | 06:16 AM
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67 4x4 LB, out of Canada, no pins
 
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Old May 20, 2015 | 09:02 AM
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Is this the game of "show me yours and I'll show you mine?" Okay, mine was built in Kansas City, 2wd long bed and I have six (although I am thinking about cutting them off as I clean up my frame if they aren't used for anything...)
 
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Old May 20, 2015 | 11:32 AM
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I always figured they was for alinement on the assembly line, but I don't know for sure.
 
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