1972 f100 Short bed conversion

[Jmajors]

I can not find any info as to the exact differences in length. I want to know how much to shorten in front of wheel wells and how much to shorten behind wheel wells... I know that the wheel base is 16 inches shorter... Do I shorten 16 inches under cab and if so how much off the rear of the frame.. I want to use all the factory body side mouldings and have it look factory. Please help

[Randle]

16" in front of the axle and 4" on the end of the frame. The easiest place to shorten it is behind the cab there is a straight section of frame there.

[Jmajors]

So does that also mean I section 16 inches out of the bed in front of wheels and 4 inches off the bed behind the wheels as well?

[Randle]

That is right, then you have your drive shaft, brake lines, your brake cables you can just drop the extension out. If you pull a search you can find some threads where others have shortened theirs.

[HIO Silver]

Here's a decent one: http://www.fordification.com/forum/view ... 97#p351211

Personally, I would not do the slant cut as pictured below. Rather, it should be a "Z" cut with horizontal and overlapping frame sections for more welded area.. and weld front AND back plus a fish plate.

[sgtloco]

This guy walks you thru it https://www.youtube.com/watch?v=REUsfEU ... tCvGLnL7Ng