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Old 11-06-2018, 09:59 AM   #1
DelawareC10
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Rear Floor to Cab Braces??

Replacing the Floor in my 67 Cab, cannot find a definative answer on why some cabs have the braces between the rear of the cab and the floor like pictured below. Mine has them but the drivers side is in pretty bad shape. Are these year specific, model specific, option specific? I am trying to locate a used one for a replacement
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Old 11-06-2018, 01:37 PM   #2
chewychevy67
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Re: Rear Floor to Cab Braces??

All the 67s I've ever had had them. I've never owned a 68 but have had 2 69s that both didn"t hahe them. Not sure why the change but it makes it a bit easier to replace the floor with them on.
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Old 11-06-2018, 02:50 PM   #3
DelawareC10
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Re: Rear Floor to Cab Braces??

CHEWYCHEVY67 thanks for the reply, I thought originally it was year specific myself but I posted this same question on a Facebook C10 Page and got numerous responses.

1 guy said they were a C20 thing, said his 68 C20 has them.
1 guy said they were GMC only
1 guy said they were for larger fuel tank mounts, nothing to do with cab structure??
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Old 11-06-2018, 03:20 PM   #4
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Re: Rear Floor to Cab Braces??

For the record my 68 gmc 1/2 ton had them. I know this doesnt solve all questions. But it is another data point.
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Old 11-06-2018, 04:37 PM   #5
clay68c10
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Re: Rear Floor to Cab Braces??

My 68 1/2 ton 2wd 292 cab had them
71 cab does not
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Old 11-06-2018, 05:33 PM   #6
DelawareC10
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Re: Rear Floor to Cab Braces??

So, the only trend I'm seeing is it seems to be only the 67-68 Cabs that have them
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Old 11-06-2018, 06:04 PM   #7
gearheadperkins
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Re: Rear Floor to Cab Braces??

I dont have them on my 72. I do the like the added brace
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Old 11-06-2018, 06:06 PM   #8
FirstOwner69
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Re: Rear Floor to Cab Braces??

My '69 3/4 ton Chevy (built Dec. 1968 at Fremont) does not have them.
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Old 11-06-2018, 06:32 PM   #9
darrellyates
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Re: Rear Floor to Cab Braces??

For the record, I've had 3 of these trucks. None of them had them. I know that 2 of them were from Baltimore. I've had a 1968; and two different 1970 model trucks. The '68 and one of the 70's were 1/2 tons, and the second '70 model was a 3/4 ton. NONE of them had these braces.

Again, just data points. I put a floor in one of the '70's trucks, but did nothing to the floor of the others. Please note, I was not the original owner of any of these trucks, but took all of them completely apart. I believe they were original.

Good luck figuring it out.
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Old 11-06-2018, 08:37 PM   #10
Thrill4130
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Quote:
Originally Posted by DelawareC10 View Post
Replacing the Floor in my 67 Cab, cannot find a definative answer on why some cabs have the braces between the rear of the cab and the floor like pictured below. Mine has them but the drivers side is in pretty bad shape. Are these year specific, model specific, option specific? I am trying to locate a used one for a replacement
My 67 c10 has those braces also.
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Old 11-07-2018, 12:36 AM   #11
buildingmy68
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Re: Rear Floor to Cab Braces??

Quote:
Originally Posted by DelawareC10 View Post
CHEWYCHEVY67 thanks for the reply, I thought originally it was year specific myself but I posted this same question on a Facebook C10 Page and got numerous responses.

1 guy said they were a C20 thing, said his 68 C20 has them.
1 guy said they were GMC only
1 guy said they were for larger fuel tank mounts, nothing to do with cab structure??
I have a 3/4 ton Chevy, it has them and they are some serious reinforcement
doesn't answer but maybe the gas tank support quote is good logical point.
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