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Old 04-01-2018, 06:07 PM   #1
damnyankee36
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Bed Cross Sills Uneven

I am mocking up the bed on the 66 and noticed that the tops of the sills are in alignment from front to back except for the rear one. It's about 1/4"-3/8" lower than the front three.

It's been years since I last test fit the bed and I don't remember this issue back then.

Am I missing something here?
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Old 04-01-2018, 06:39 PM   #2
Clyde65
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Re: Bed Cross Sills Uneven

Picture would help
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Old 04-01-2018, 08:33 PM   #3
damnyankee36
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Re: Bed Cross Sills Uneven

Here ya go. With a straight board laying across the front three sills, you can see the gap between the rear of the board and the rear sill.
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Old 04-02-2018, 11:10 AM   #4
BR3W CITY
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Re: Bed Cross Sills Uneven

Are all your panels and sills from the same truck? When I was redoing my bed in the '66 post accident, I realized my donor front panel and one sill was different. There was a steel floor available in the 70's which doesn't have the thickness of the boards, and the floor sat a bit lower...but otherwise they fit the same.
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Old 04-02-2018, 11:23 AM   #5
PGSigns
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Re: Bed Cross Sills Uneven

Were the bed sides assembled? My 66 was off just a little and the back has one 1/8" thick washer under it and I just pulled the boards down the last little bit.
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Old 04-02-2018, 02:14 PM   #6
The Rocknrod
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Re: Bed Cross Sills Uneven

I would think that once the entire bed is put together you'd see another problem. I wouldn't fit the wood the way you have it now, things may change dimension wise once its all together.
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Old 04-02-2018, 07:30 PM   #7
damnyankee36
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Re: Bed Cross Sills Uneven

Quote:
Originally Posted by PGSigns View Post
Were the bed sides assembled? My 66 was off just a little and the back has one 1/8" thick washer under it and I just pulled the boards down the last little bit.
Jimmy
At one point they were. Before I saw the gap you see in the pic, everything was bolted down and snugged and I noticed a small gap between the bottom of the bedsides and the rear sill. Right where the factory welded that small bead. I noticed everything was under stress as I was disassembled the bed. After seeing this I could see why.
Quote:
Originally Posted by BR3W CITY View Post
Are all your panels and sills from the same truck? When I was redoing my bed in the '66 post accident, I realized my donor front panel and one sill was different. There was a steel floor available in the 70's which doesn't have the thickness of the boards, and the floor sat a bit lower...but otherwise they fit the same.
Yes, everything is original to the truck except the bedsides. The front three sills are all the same height too.
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Originally Posted by The Rocknrod View Post
I would think that once the entire bed is put together you'd see another problem. I wouldn't fit the wood the way you have it now, things may change dimension wise once its all together.
Exactly my thought!

A simple shim at both attach points on the rear sill should take care of this but I'd like to why I am having this issue before I do.
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Old 04-02-2018, 07:53 PM   #8
The Rocknrod
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Re: Bed Cross Sills Uneven

Quote:
Originally Posted by damnyankee36 View Post
...
A simple shim at both attach points on the rear sill should take care of this but I'd like to why I am having this issue before I do.
Until it's all together you really dont know what you have. It's all a guess or shot in the dark. And I'm talkin no light!
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