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Old November 30th, 2012, 02:28 PM   #1
kkodet
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Default 73-77 to 78-79 Ford chassis swap?

Does anyone know if the body mount setup changed on the F-series trucks when they went from the 73-77 (Highboy) narrow gauge chassis to the 78-79 wide gauge chassis?

Reason I ask is I prefer the 78-79 Chassis design and lower profile. I found a clean 1975 2wd Shortbed Crew F-250 and have a line on a 1979 Shortbed Crew 4x4 Chassis. Will the 75 body physically bolt to the 79 chassis or did mounts/floor pans etc. change with the mid 77 Chassis switchover?
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Old November 30th, 2012, 05:26 PM   #2
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This help?
http://fordification.com/tech/chassis-comparison.htm
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Old November 30th, 2012, 05:52 PM   #3
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From what i've read '61 to '79 all have the same cab mounting locations. The only thing that changed is what boob posted.
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Old November 30th, 2012, 07:11 PM   #4
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Thanks. I've seen that link, and it shows the width differences, but I think it must be darn near a bolt together.
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Old December 1st, 2012, 10:16 PM   #5
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I think they all have the same cab locations. I have a 76 1/2 ton frame and a 73 3/4 body on it.
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