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04-21-2015, 10:05 AM
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#1 |
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Registered User
Join Date: Jan 2015
Location: Lino Lakes, MN
Posts: 60
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Braces
I have a question about some braces that were in my '56 GMC.
There was a set of braces that went from the top of the firewall on the cab, down to the frame. Can someone tell me what they were for and if they are a necessity? There were also some that went from the firewall to the top of the radiator support. Thanks! |
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04-21-2015, 12:12 PM
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#2 |
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Registered User
Join Date: Jan 2012
Location: Motown
Posts: 7,680
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Re: Braces
can't say anything about the firewall to frame support, that may a gmc thing
the firewall to core support rods are very common on trucks bigger than 3100 half ton i can only imagine the rods are there to keep the fenders from twisting this is the rods on my 59 3800 one ton 
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04-21-2015, 10:01 PM
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#3 |
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Registered User
Join Date: Jan 2015
Location: Lino Lakes, MN
Posts: 60
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Re: Braces
Now that I'm back at a computer with the pictures on it, you can see the braces that I'm talking about that go from the firewall down to the frame.
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04-22-2015, 09:51 AM
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#4 |
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Registered User
Join Date: May 2004
Location: Eastern Oregon
Posts: 201
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Re: Braces
The Gossip about them is, they were installed in GMC's with V-8's. In my case they did accomplish one they for sure! Ripping out all the holes on the firewall they went into.
Last edited by Tomb23; 04-22-2015 at 09:56 AM. |
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04-22-2015, 05:12 PM
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#5 |
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Registered User
Join Date: Jan 2015
Location: Lino Lakes, MN
Posts: 60
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Re: Braces
Thanks guys! I don't think I'll be putting those back in then since they seem to rip holes in the firewall.
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04-22-2015, 07:31 PM
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#6 |
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Registered User
Join Date: May 2004
Location: Eastern Oregon
Posts: 201
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Re: Braces
I remade mine out of stainless & also instead of the big rectangle washers under the head of the bolt inside the cowl, I made a backing plate to match the back side of the reinforcement on the front.
Last edited by Tomb23; 04-22-2015 at 07:41 PM. |
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04-22-2015, 08:08 PM
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#7 |
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Registered User
Join Date: Jun 2006
Location: Idaho
Posts: 8,800
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Re: Braces
Did the GMC's have a death shimmy issue because of all the added bumper weight ahead of the axle???
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04-23-2015, 12:04 AM
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#8 |
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Registered User
Join Date: May 2004
Location: Eastern Oregon
Posts: 201
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Re: Braces
Mine never did, drove straight down the road and smooth!
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04-24-2015, 02:36 AM
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#9 |
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Registered User
 
Join Date: Dec 2012
Location: North Carolina
Posts: 4,989
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Re: Braces
Thankful that my '59 Gmc didn't come with one
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