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01-10-2023, 06:18 PM
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#1 |
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Registered User
Join Date: Oct 2010
Location: Where Mountaineers are free
Posts: 406
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Firewall holes
Getting along with the 64 C10 project, need a map or diagram of the holes to see which ones will be needed. Some are obvious, some are not.
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01-10-2023, 07:17 PM
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#2 |
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Registered User
Join Date: Apr 2010
Location: Oregon
Posts: 1,184
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Re: Firewall holes
Here's a diagram
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1951 Truck, LS1/4L60 1964 Suburban, current project 2014 Silverado daily driver 1953 Westerner "canned ham" trailer, rebuilt 1974 Prowler trailer, rebuilt |
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01-12-2023, 06:35 PM
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#3 |
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Registered User
Join Date: Nov 2009
Location: Sherman, ME
Posts: 2,361
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Re: Firewall holes
That's a really good diagram. I'd just like to add that I think the hole marked "choke cable" was only used for 6-cyl engines. Pretty sure V8's had their choke cable running through another hole in the same grommet as the oil pressure line.
Also, trucks with factory windshield washers will have an additional hole for the hoses to pass through located a few inches up above the "blower fan" wire hole. |
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10-22-2024, 05:09 PM
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#4 |
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Registered User
Join Date: Jan 2013
Location: Imperial, MO
Posts: 1,003
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Re: Firewall holes
Nice to see my diagram still being of use to folks.
That was a ‘65 with the I-6. |
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10-23-2024, 01:46 AM
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#5 |
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Registered User
Join Date: Aug 2020
Location: Braunschweig, Lower Saxony, Germany
Posts: 804
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Re: Firewall holes
The diagram was very useful for my reconstruction.
Thank you for that
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------------------------------------------- Greetings Harald My 62 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=829782 |
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10-23-2024, 11:01 AM
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#6 | |
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Registered User
Join Date: Jan 2013
Location: Imperial, MO
Posts: 1,003
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Re: Firewall holes
Quote:
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10-23-2024, 11:19 AM
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#7 | |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,213
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Re: Firewall holes
Quote:
I had design/release responsibility for the front of dash/underbody structure on the GMT800/K2 program and I didn't know what all the holes were for. 
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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