Bed interchangablity

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Ruckin69
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Bed interchangablity

Postby Ruckin69 » Wed Jan 03, 2018 5:56 am

Will a 72 F100 bed fit a 78-79 CC?

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jamesdfo
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Re: Bed interchangablity

Postby jamesdfo » Wed Jan 03, 2018 9:30 am

1967-72 are nicknamed "Bumpsides", because the bodyline that runs all the way down the side is a V shaped bump.

1973-79 are nicknamed "Dentsides", because the bodyline is concave, like a dent:)

So, no you wouldn't want to bolt a Bumpside box onto a Dentside, it would be pretty obvious it's incorrect.

Bumpside
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Dentside
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HTH
James

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Ruckin69
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Re: Bed interchangablity

Postby Ruckin69 » Wed Jan 03, 2018 10:43 am

Good info and point well taken. But out of curiosity will they still work by putting a bump side on a dentside and regards to holes and dimensions?

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Re: Bed interchangablity

Postby Bullistik8v92 » Wed Jan 03, 2018 5:41 pm

Ruckin69 wrote:Good info and point well taken. But out of curiosity will they still work by putting a bump side on a dentside and regards to holes and dimensions?


Some will interchange yes. It depends on which year bed and frame you are going to use. During the 73-79 years the frame width changed. However, even if you get a wide frame bed, it will still physically fit on an older truck (even a bump side) you'll just have to drill new mounting holes in the bed.

The long bed that came with my 77 crewcab project truck was off a 79 and they drilled new holes to fit the High Boy narrow frame.

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Re: Bed interchangablity

Postby phlegm » Tue Jan 30, 2018 2:08 pm

My truck is a '75 body (narrow frame 34") on a '78 frame/chassis (wide frame 37").
Whoever did the body swap welded on some small tabs to bring the mounting point in 1.5" per side.
It caused problems with the gas tank as they hammered in the corners and that caused it to break/rust.
I've cut off those tabs now and replaced that gas tank with a new one.

But it can be done...
IMG_9545_zpsxu0bisum.JPG


One way that this question becomes very useful is when thinking about using an older stepside on a newer frame, they have the same styling from '53-79.

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Re: Bed interchangablity

Postby RustyGold » Sat Apr 21, 2018 2:33 pm

My question is what year did the frames go from 34" to wider. Was it late 77 or 78. ? Thanks
75 Crew 4x4
78 f250 460 4x4

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PACrewCab
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Re: Bed interchangablity

Postby PACrewCab » Tue Apr 24, 2018 5:10 am

Mid 77 as far as I know.
Andy
1996 F350 crew cab, Powerstroke, automatic
1965 Ford Mustang, 289, automatic
1964 Ford Galaxie 500, 352, automatic
1968 Ford Galaxie 500, 302, automatic

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