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Old 07-17-2012, 06:14 AM   #1
kgmunro
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Long to short question

When you cut a long box down to a short box, what do tou do with the trailing arms? Just cut them in the middle somewhere and plate them??
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Old 07-17-2012, 06:23 AM   #2
markeb01
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Re: Long to short question

The trailing arms remain unchanged. The section of frame that is removed is ahead of trailing arm crossmember, so nothing in the suspension is modified.
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Old 07-17-2012, 06:59 AM   #3
lucifer
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Cool Re: Long to short question

I found a flat section of frame ahead of the trailing arms and cut out the 12 inches required. Nice square cut and boxed the inside of the frame. The only other part I needed to move was the rear cab mount back 12 inches . Then 8 inches off the rear of the frame.

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Old 07-17-2012, 07:47 AM   #4
kgmunro
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Re: Long to short question

Thanks guys, I should look before I ask questions ...
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Old 07-18-2012, 04:06 PM   #5
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Re: Long to short question

Like the guys before said, trailing arms and cross member stay the same. Just removed the 12 inches in the center and 8 off the back. Then move the cross member forward 12 inches. I did mine years ago, cutting the frame just behind the cab. I have hundreds of pics of the job if you need them.
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Old 07-18-2012, 05:17 PM   #6
markeb01
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Re: Long to short question

I forgot to share this thread which explains the project nicely:

http://67-72chevytrucks.com/vboard/s...d.php?t=123624
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