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Old 03-12-2018, 07:46 PM   #1
blazer2007
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cut line.long box to short box

I have a good long box lower rear panel to replace rotten section on a short box but for the life of me I can,t find the the cut line that people use to make a long box to a short box. I need to know how much of a section I need to take out and weld together to make it a short box panel. Not a pic of bad section .
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Old 03-12-2018, 07:47 PM   #2
blazer2007
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Re: cut line.long box to short box

can,t see that line well,it is in red
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Old 03-12-2018, 07:52 PM   #3
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Re: cut line.long box to short box

Is the whole wrap around under the tail light as well that needs replacing
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Old 03-12-2018, 08:24 PM   #4
mongocanfly
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Re: cut line.long box to short box

need a pic of the rotted section....with that being the tapered section of the bed that's going to be tricky to make a lwb fit a swb....but it can be done. ...
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Old 03-13-2018, 08:46 AM   #5
blazer2007
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Re: cut line.long box to short box

It,s the bottom of wheel lip and rust under the tailight. I read along time ago on shortening a long box to a short box and they described cutting so many inchs from each end of the box so the curve matchs but can,t find it now. I just wanted to section the long box panel to fit but don,t know where I should cut the middle section out.
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Old 03-13-2018, 05:48 PM   #6
mongocanfly
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Re: cut line.long box to short box

found this ....http://67-72chevytrucks.com/vboard/s...d.php?t=422492
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1981 c30 lq9 nv4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598
1955.1 ls3 tr6060...(under construction)(on hold)
2013 gmc z71. (daily driver)
Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563
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Old 03-13-2018, 07:30 PM   #7
blazer2007
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Re: cut line.long box to short box

perfect, that is the one I wanted. I guess I didn,t have the right wording and now with photobucket gone to crap some of my saved threads are gone. It should be easier doing the sectioning on a bench [i hope] and I,m going to add the 78 side chrome trim so I can hide my weld behind that. Thanks for your time on finding that.
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Old 03-14-2018, 06:57 AM   #8
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Re: cut line.long box to short box

Quote:
Originally Posted by blazer2007 View Post
perfect, that is the one I wanted. I guess I didn,t have the right wording and now with photobucket gone to crap some of my saved threads are gone. It should be easier doing the sectioning on a bench [i hope] and I,m going to add the 78 side chrome trim so I can hide my weld behind that. Thanks for your time on finding that.
I would strongly suggest this as well. Perform this work on a bench and then you can planish the weld and straighten out any deformity while there are no outside forces on the panel (such as being welded on a truck) Once your new patch is complete and stress relieved, now weld it on the truck.
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