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Author Topic: 78 k20 dually bed swap  (Read 10604 times)

Offline thunderwood78

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78 k20 dually bed swap
« on: October 27, 2015, 06:18:31 pm »
Was wandering about putting a regular dually bed on my flatbed. A previous owner had some dog boxes welded on the flatbed body and I really love the dually bed look. A customer of mine has an 86 dually that's he dying to trade for my bed but I'm not sure if it would fit. I know about the gas cap/ door difference.

Any info is appreciated.
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Offline Captkaos

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Re: 78 k20 dually bed swap
« Reply #1 on: October 28, 2015, 09:15:36 pm »
Is your truck a dually?
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Offline thunderwood78

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Re: 78 k20 dually bed swap
« Reply #2 on: October 28, 2015, 09:22:13 pm »
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Offline Captkaos

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Re: 78 k20 dually bed swap
« Reply #3 on: October 28, 2015, 10:05:09 pm »
Is it a cab and chassis truck or a truck that originally had a dually bed on it.  If the later it will work, former it will work but the bed and cab will have a gap as the cab and chassis were longer.
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Offline thunderwood78

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Re: 78 k20 dually bed swap
« Reply #4 on: October 28, 2015, 10:07:59 pm »
I'm not sure. As far as I know it's always been a flatbed. The flatbed has dog boxes welded on and possibly the skirting.
« Last Edit: October 28, 2015, 10:15:12 pm by thunderwood78 »
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Offline thunderwood78

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Re: 78 k20 dually bed swap
« Reply #5 on: October 28, 2015, 10:18:27 pm »


Not sure if the bed is a modified factory one or complete aftermarket?
« Last Edit: October 30, 2015, 11:01:24 pm by thunderwood78 »
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Offline Captkaos

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Re: 78 k20 dually bed swap
« Reply #6 on: October 28, 2015, 10:44:05 pm »
Cab and Chassis trucks didn't come with a bed.  That flatbed was added to it.

What is your VIN decoded to?
http://www.73-87chevytrucks.com/techinfo/73-91VIN/1978truck.pdf
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Offline fitz

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Re: 78 k20 dually bed swap
« Reply #7 on: October 29, 2015, 09:35:07 am »
I've never seen a factory K20 dually.
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Offline LTZ C20

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Re: 78 k20 dually bed swap
« Reply #8 on: October 29, 2015, 09:53:11 am »
Quote from: fitz on October 29, 2015, 09:35:07 am
I've never seen a factory K20 dually.
I was going to wait and see if anyone else pointed this out. Either the truck is actually a K30, 1 ton being the only way to get a dually OR there has been some parts swapping in its past.
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Offline thunderwood78

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Re: 78 k20 dually bed swap
« Reply #9 on: October 29, 2015, 05:39:10 pm »
Quote from: LTZ C20 on October 29, 2015, 09:53:11 am
Quote from: fitz on October 29, 2015, 09:35:07 am
I've never seen a factory K20 dually.
I was going to wait and see if anyone else pointed this out. Either the truck is actually a K30, 1 ton being the only way to get a dually OR there has been some parts swapping in its past.
CKL24...

Chevy 4x4 3/4 ton with 165 hp 350. Cab and pickup box.

Someone must have converted it. Well that could simplify things. Convert it back and get a regular bed? Or keep the dually conversion?
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Offline LTZ C20

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Re: 78 k20 dually bed swap
« Reply #10 on: October 29, 2015, 05:51:32 pm »
CKL24??
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Offline thunderwood78

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Re: 78 k20 dually bed swap
« Reply #11 on: October 29, 2015, 05:53:01 pm »
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Offline LTZ C20

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Re: 78 k20 dually bed swap
« Reply #12 on: October 29, 2015, 06:27:32 pm »
Got ya, I wasnt sure, because with only 5 digits, that could have stood for anything.
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Offline fitz

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Re: 78 k20 dually bed swap
« Reply #13 on: October 29, 2015, 07:16:09 pm »
Quote from: LTZ C20 on October 29, 2015, 05:51:32 pm
CKL24??

I was thinking CHUCLE-24.  For some reason people spend all day pointing at me & laughing.
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Offline LTZ C20

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Re: 78 k20 dually bed swap
« Reply #14 on: October 30, 2015, 01:41:13 am »
Quote from: fitz on October 29, 2015, 07:16:09 pm
Quote from: LTZ C20 on October 29, 2015, 05:51:32 pm
CKL24??

I was thinking CHUCLE-24.  For some reason people spend all day pointing at me & laughing.
You too huh?? I always wondered why they did that to me...
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