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78' ford frame conversion

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Old Feb 23, 2003 | 04:42 PM
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78' ford frame conversion

I am trying to restore a 78' ford 3/4 ton but I needed a new frame, I found a 78' 1/2 ton long box and I was wondering how much work it would be to change it over. I realy want to keep it a 3/4 ton. If some body could help me out with this I would really apreciate thanks.
 
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Old Feb 23, 2003 | 09:53 PM
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78' ford frame conversion

The F-250 front springs are leaf, the F-150 are coil except Supercabs and maybe Crewcabs. Better to find an F-250 frame.
 
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Old Feb 23, 2003 | 10:44 PM
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78' ford frame conversion

yeah I was aware of that. But changing that front suspension over I dont think will be that big of a deal. If thats the only thing I have to worry about I think I might give it a shot
thanks for the suggestion
 
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Old Feb 23, 2003 | 11:06 PM
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78' ford frame conversion

I am putting 3/4 ton running gear under my F-150 Supercab and would also like to know if anything needs to be beefed up. I would think they are the same frame - anyone seen two of them side by side?
 
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Old Feb 23, 2003 | 11:19 PM
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78' ford frame conversion

You might want to try the search function. Frame and suspension conversions have been discussed numerous times. From what I remember, going from front coils to leaf is difficult, if that is what you are contemplating. You don't say whether your F250 is 2wd or 4wd. We need info to help without too much confusion.
 
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Old Feb 24, 2003 | 03:05 PM
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78' ford frame conversion

sorry about that yes the f250 frame is a 4x4 and so is the f150 frame. ill try the search to
thanks
 
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Old Feb 24, 2003 | 03:08 PM
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78' ford frame conversion

a lot of hardcore four wheelers do this 3/4 ton conversion on their half tons for beefier axles. IF you got the time to change over the suspension and everything you should be fine.
 
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Old Feb 24, 2003 | 03:11 PM
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78' ford frame conversion

yeah thats what I thought. I figured it was the same frame just different suspension I think I should be able to come up with something on it.
 
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Old Feb 24, 2003 | 07:16 PM
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78' ford frame conversion

I converted my 78 F-150 driving truck into a leaf-sprung unit with a dana 60 front competition street pulling truck. I used the front leafs and hangers off of a 79 F-150 crew cab. We made templates from the donor frame to see where to drill the holes. We used a piece of carboard to make the templates.(You'll need to cut a hole in your frame for the rear hanger.) You'll have to do something funky with the steering linkage because the 3/4 tons ran the p/s box on the inside and I'm sure you know that your 1/2 tons box is on the outside. With my 60 front I had to go with a mid 70's Dodge box to make it steer right. Not sure what will need done for a 44 front. Anything is possible with a Ford! Good luck.

P.S. The front crossmembers are different too.
 
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