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#1 |
Registered User
Join Date: Nov 2014
Location: Omaha
Posts: 558
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Firewall Holes
Obviously I see which one is for the steering and i know which one is for the heater, but what are all the other holes used for?
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#2 |
1961 crewcab
Join Date: Dec 2007
Location: missoula, mt
Posts: 6,164
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Re: Firewall Holes
ok: red: heater bolts, and lower right as you look at it, heater fan wire grommet.
green: engine harness orange: choke& accessories maroon: rear wiring harness lavender: throttle assembly violet: clutch rod light blue: brake and clutch pedal assembly bolt holes white: main wiring harness that should cover most: some of the smaller holes are bolt holes, and firewall pad holes, also there are attachment holes to route the wiring... ** I missed 2, is yours a 66? the hole next to the clutch rod hole is for the reverse light wire, and the square hole under the steering column is for the emergency brake cable.
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60 build: http://67-72chevytrucks.com/vboard/s...d.php?t=280904 61 crew build: http://67-72chevytrucks.com/vboard/s...d.php?t=646830 63 build: http://67-72chevytrucks.com/vboard/s...d.php?t=336537 64 'burb build: http://67-72chevytrucks.com/vboard/s...d.php?t=448681 65 'burb build: http://67-72chevytrucks.com/vboard/s...d.php?t=590715 65 build: http://67-72chevytrucks.com/vboard/s...d.php?t=281955 |
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#3 |
Registered User
Join Date: Nov 2014
Location: Omaha
Posts: 558
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Re: Firewall Holes
It's a 64. This is super helpful, thabk you very much. This is how I acquired the truck lol
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#4 |
Registered User
Join Date: Jul 2012
Location: Denton, Tx
Posts: 54
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Re: Firewall Holes
Yes, that is super helpful. My truck came disassembled and I am just starting the wiring. Thanks!
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#5 |
Registered User
Join Date: Oct 2010
Location: La Prairie, Quebec
Posts: 231
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Re: Firewall Holes
Ditto on the super helpful. Thanks
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#6 |
Check The Champ, Demonstrator
![]() Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: Firewall Holes
Oh your good, Jon!
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1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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#7 |
Registered User
Join Date: Jan 2013
Location: Imperial, MO
Posts: 999
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Re: Firewall Holes
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#8 | |
1961 crewcab
Join Date: Dec 2007
Location: missoula, mt
Posts: 6,164
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Re: Firewall Holes
Quote:
we should submit this thread to the faq!
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60 build: http://67-72chevytrucks.com/vboard/s...d.php?t=280904 61 crew build: http://67-72chevytrucks.com/vboard/s...d.php?t=646830 63 build: http://67-72chevytrucks.com/vboard/s...d.php?t=336537 64 'burb build: http://67-72chevytrucks.com/vboard/s...d.php?t=448681 65 'burb build: http://67-72chevytrucks.com/vboard/s...d.php?t=590715 65 build: http://67-72chevytrucks.com/vboard/s...d.php?t=281955 |
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#9 | |
Registered User
Join Date: Nov 2009
Location: Sherman, ME
Posts: 2,359
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Re: Firewall Holes
Quote:
A few things I noticed that are different on some trucks: (1) I think the hole labeled choke cable was only used with inline-6 engines. Dad's '66 (with a 283) has a firewall insulation retainer filling that hole. (2) The V8 choke cable goes through the same hole as the oil pressure line (using a multi-hole grommet). (3) When equipped with a factory tach, the wire leading to the coil also goes out through the same hole as the oil pressure line. And while we're on the subject of firewall holes, does anyone know the factory location for the 3-speed overdrive lockout cable? Did GM run it through a pre-existing hole (such as along with the speedometer cable) or did this option have it's own hole drilled somewhere else in the firewall? |
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#10 | |
Registered User
Join Date: Jan 2014
Location: Wasilla Alaska
Posts: 537
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Re: Firewall Holes
Quote:
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#11 |
Registered User
Join Date: Nov 2014
Location: Omaha
Posts: 558
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Re: Firewall Holes
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#12 |
Registered User
Join Date: Jan 2009
Location: Burbank, CA
Posts: 3,611
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Re: Firewall Holes
has anyone made one of these for a 63?
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#13 |
Senior Member
![]() Join Date: Nov 2007
Location: Calais, Maine
Posts: 512
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Re: Firewall Holes
You guys never cease to amaze me! I downloaded for future reference.
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1963 Chevrolet C-10 "Ginger" ![]() 1970 C-30 Dump Truck "Scarlet" 2019 Chevy Silverado 2500 Z71 LTZ 1947 Indian Chief Roadmaster with Sidecar. 2012 Indian Chief Serial #002 of 110 built in '12 2016 Indian Chief Roadmaster |
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#14 |
Registered User
Join Date: Jan 2013
Location: Las Vegas, NV
Posts: 1,853
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Re: Firewall Holes
Bringing this one back. Filling holes and want to know if the blue hole has a grommet as all my stuff runs through it. Relized the two hole grommet is choke and oil or Throttle cable. Yellow is throttle arm and mount hole. Green is rear wire harness. Orange is unused and filled.
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1962 shortbed 408cui small block, TKO 600 5-speed, bagged Porterbuilt suspension. 18" Salt Flats http://www.cardomain.com/ride/332579...t-c-k-pick-up/ http://67-72chevytrucks.com/vboard/s...d.php?t=560081 |
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#15 | |
Registered User
Join Date: Jan 2013
Location: Imperial, MO
Posts: 999
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Re: Firewall Holes
Quote:
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#16 |
Registered User
Join Date: Nov 2014
Location: Omaha
Posts: 558
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Re: Firewall Holes
That's what I was thinking.
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#17 |
Registered User
Join Date: Jan 2013
Location: Las Vegas, NV
Posts: 1,853
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Re: Firewall Holes
I just filled it. I figured I can make a smaller hole with grommet. Not that many would know I filled a ton of holes anyways. Welding away today.
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1962 shortbed 408cui small block, TKO 600 5-speed, bagged Porterbuilt suspension. 18" Salt Flats http://www.cardomain.com/ride/332579...t-c-k-pick-up/ http://67-72chevytrucks.com/vboard/s...d.php?t=560081 Last edited by LVPhotos; 02-16-2015 at 08:53 PM. |
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#18 |
Registered User
Join Date: Jan 2014
Location: Wasilla Alaska
Posts: 537
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Re: Firewall Holes
my 63 doesn't have a "blue hole" either.
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#19 |
Registered User
Join Date: Nov 2014
Location: Omaha
Posts: 558
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Re: Firewall Holes
Rock on then
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