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Non - Specific
Engine Conversion
My tow pig/DD build thread. F350/Cummins 6.7/twins/6R140
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[QUOTE="me2, post: 412804, member: 3825"] One of the big things that is stopping me from doing this project with my 08 KR is that its a long box. A Ford Superduty pickup truck frame isn't flat. It rises up under the box. To keep the cab height the same on the frame, if you lengthen the cab, you need to lengthen the section of the frame under the cab. Actually, with a Supercab extension you can probably get away without lengthening the section under the cab, but with a crew cab extension, you need to do it. When I bought my 08, I was thinking that I would do a Supercab extension and be done. Things have changed. With the full crew cab extension, I will need to lengthen the frame under the cab by 35 inches. One also needs to change the frame if you change box lengths. The section under the box needs to be adjusted for the length of box you put on. Thus with my 08 KR being a long box, I would have to lengthen the frame under the cab by 35 inches as well as shorten the frame under the box by 16 inches, as well as move the box mounts. I would also need to sell my long box, which has the King Ranch two tone paint, and buy a white short box. Its not impossible to do all this, but its a heck of a lot easier to do a cab extension on a short box truck. With it all you have to do is lengthen the underside of the frame by 35 inches and you are done. Its a lot less work. [/QUOTE]
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My tow pig/DD build thread. F350/Cummins 6.7/twins/6R140
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