Big back window - The 1947 - Present Chevrolet & GMC Truck Message Board Network

DCLefler · 12-25-2018, 05:27 PM

I bought a cab with a big back window with minimal rust the problem is it look like someone used a can opener on the firewall. It has gaping holes in several locations. I have a extra cab to cut panels out to patch it. My question is are there any aftermarket sources for a firewall to replace or cover it with something like stainless?
Any help will be greatly appreciated

**DPowers** · 12-25-2018, 05:38 PM

http://67-72chevytrucks.com/vboard/s...d.php?t=710233

**The Rocknrod** · 12-25-2018, 11:38 PM

http://directsheetmetal.com/Store/in...ort=20a&page=2
https://www.selfmadefab.com/product/...rewall-shavers
https://vannattafabrication.com/new-...oth-beadrolled
http://www.yogisinc.com/index.cfm/pa...cat/cat507.htm
http://modshopinc.net/store/index.ph...roducts_id=637

vin63 · 12-26-2018, 12:05 AM

Depends on how bad yours is. The previous owners of my truck, cut and drilled a bunch of holes in the firewall and floor (88 extra to be exact). I spent a lot of hours welding, hammering and dollying my firewall.

**aerotruk63** · 12-26-2018, 09:43 AM

Its not BIG BACK WINDOW.
Proper terminology is Panoramic View 60-63 or Full View 64-66.
No one cares , i'll be quiet now.

Johns 66 · 12-26-2018, 10:02 PM

Quote:

Originally Posted by aerotruk63

Its not BIG BACK WINDOW.
Proper terminology is Panoramic View 60-63 or Full View 64-66.
No one cares , i'll be quiet now.

Teachers pet

pimpston65 · 12-27-2018, 10:37 AM

Quote:

Originally Posted by aerotruk63

Its not BIG BACK WINDOW.
Proper terminology is Panoramic View 60-63 or Full View 64-66.
No one cares , i'll be quiet now.

I care!!!

**aerotruk63** · 12-27-2018, 01:51 PM

Quote:

Originally Posted by pimpston65

I care!!!

Exception to the rule , but that applies to many things.

DCLefler · 12-27-2018, 12:28 AM

Thanks for the links on the firewall panels and the education on proper window description.
I'm new to posting to this site so I hope the photo will up load ok.

**nsb29** · 12-27-2018, 09:26 AM

Quote:

Originally Posted by DCLefler

Thanks for the links on the firewall panels and the education on proper window description.
I'm new to posting to this site so I hope the photo will up load ok.

What a mess

**aerotruk63** · 12-27-2018, 01:54 PM

Quote:

Originally Posted by DCLefler

I bought a cab with a big back window with minimal rust the problem is it look like someone used a can opener on the firewall. It has gaping holes in several locations. I have a extra cab to cut panels out to patch it. My question is are there any aftermarket sources for a firewall to replace or cover it with something like stainless?
Any help will be greatly appreciated

Keep your rear panel but find a better small window cab and convert. Lots of work to bring it back , unless you don't mind the challenge.

**straight6chevyguy** · 12-27-2018, 04:19 PM

At first I was going to joke and just tell you to cut some sheet metal and pop rivet it over the holes..... But after seeing the pictures..... WOW! What the heck where they thinking?

ImpalaJim · 12-27-2018, 06:03 PM

I look at them pics and all I can is WTFMF

**Captainfab** · 12-28-2018, 12:07 AM

And it's an AC cab as well. If the rest of the cab is decent, I think I would opt to just replace the entire firewall.

DCLefler · 12-28-2018, 12:10 PM

The rest of the cab is in very good shape. I have another firewall. The question for the group is. If I cut the parts that have been mangled and patch them in will there be enough support or should I try and replace the entire fire wall.

vin63 · 12-28-2018, 12:37 PM

For me, it would take less time to replace the entire firewall. I would brace the cab, cut out the firewall, remove and weld in the firewall from the donor cab.

DCLefler · 12-28-2018, 12:52 PM

Pardon my lack of experience but what do you mean when you say "brace the cab"?

vin63 · 12-28-2018, 01:08 PM

Since it appears that the cab is not mounted to the frame, and if you remove the firewall (a significant component to the structural integrity of the cab), it would be good idea to brace the cab before cutting out the firewall to keep it square while you cut, grind, hammer, weld, etc. Even if it was mounted to the frame, I would still tack weld in a few diagonal braces similar to this from a member on this forum:

DCLefler · 12-28-2018, 03:31 PM

Thanks that's is what I thought you meant. I keep asking myself what was i thinking.
It will certainly be a learning process. I already have a runner that I am going to 454 in so I will have plenty of time to do the cab work

12-25-2018, 05:27 PM	#1
DCLefler Registered User Join Date: Nov 2016 Location: Santa Clara UT Posts: 17	Big back window I bought a cab with a big back window with minimal rust the problem is it look like someone used a can opener on the firewall. It has gaping holes in several locations. I have a extra cab to cut panels out to patch it. My question is are there any aftermarket sources for a firewall to replace or cover it with something like stainless? Any help will be greatly appreciated

12-25-2018, 05:38 PM	#2
DPowers One foot in front of the other Join Date: Aug 2008 Location: Parrottsville, TN Posts: 5,443	Re: Big back window http://67-72chevytrucks.com/vboard/s...d.php?t=710233 __________________ DP's 66 Build http://67-72chevytrucks.com/vboard/s...d.php?t=361556

12-25-2018, 11:38 PM	#3
The Rocknrod Moderator Join Date: Aug 2011 Location: China Spring, TX Posts: 7,280	Re: Big back window http://directsheetmetal.com/Store/in...ort=20a&page=2 https://www.selfmadefab.com/product/...rewall-shavers https://vannattafabrication.com/new-...oth-beadrolled http://www.yogisinc.com/index.cfm/pa...cat/cat507.htm http://modshopinc.net/store/index.ph...roducts_id=637 __________________ Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? Last edited by The Rocknrod; 12-25-2018 at 11:44 PM.

12-26-2018, 12:05 AM	#4
vin63 It's Better With Nitro Join Date: Apr 2008 Location: Chino Hills, CA Posts: 2,262	Re: Big back window Depends on how bad yours is. The previous owners of my truck, cut and drilled a bunch of holes in the firewall and floor (88 extra to be exact). I spent a lot of hours welding, hammering and dollying my firewall. Attached Images __________________ 1963 C-10: Deluxe-optioned cab, shortbed, fleetside Pontiac 462 ci, Kauffman D-Port alum. heads 4L80E, narrowed sheetmetal Ford 9-inch Tubular front and rear suspension Custom 6-piston front disc and 4-piston rear disc brakes

12-26-2018, 09:43 AM	#5
aerotruk63 Check The Champ, Demonstrator Join Date: Jun 2009 Location: Montreal,Quebec Posts: 6,627	Re: Big back window Its not BIG BACK WINDOW. Proper terminology is Panoramic View 60-63 or Full View 64-66. No one cares , i'll be quiet now. __________________ 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

12-27-2018, 12:28 AM	#9
DCLefler Registered User Join Date: Nov 2016 Location: Santa Clara UT Posts: 17	Re: Big back window Thanks for the links on the firewall panels and the education on proper window description. I'm new to posting to this site so I hope the photo will up load ok. Attached Images

12-27-2018, 04:19 PM	#12
straight6chevyguy Senior Member Join Date: Dec 2018 Location: yamhill OR Posts: 910	Re: Big back window At first I was going to joke and just tell you to cut some sheet metal and pop rivet it over the holes..... But after seeing the pictures..... WOW! What the heck where they thinking? __________________ 1965 chevy c20 292 4speed http://67-72chevytrucks.com/vboard/s...d.php?t=777601 1976 chevy c10 250 4speed http://www.67-72chevytrucks.com/vboa...d.php?t=787037 1978 chevy c20 350 4speed 1998 chevy c1500 4.3L 5speed 2002 Chevy s10 4.3L auto 4x4 Plus a Mercury & some Fords... To many projects!

12-27-2018, 06:03 PM	#13
ImpalaJim Registered User Join Date: May 2014 Location: Kewanee IL Posts: 283	Re: Big back window I look at them pics and all I can is WTFMF

12-28-2018, 12:07 AM	#14
Captainfab 60-66 Nut Join Date: Mar 2007 Location: Coeur d'Alene, Idaho Posts: 23,252	Re: Big back window And it's an AC cab as well. If the rest of the cab is decent, I think I would opt to just replace the entire firewall. __________________ Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE

12-28-2018, 12:10 PM	#15
DCLefler Registered User Join Date: Nov 2016 Location: Santa Clara UT Posts: 17	Re: Big back window The rest of the cab is in very good shape. I have another firewall. The question for the group is. If I cut the parts that have been mangled and patch them in will there be enough support or should I try and replace the entire fire wall.

12-28-2018, 12:37 PM	#16
vin63 It's Better With Nitro Join Date: Apr 2008 Location: Chino Hills, CA Posts: 2,262	Re: Big back window For me, it would take less time to replace the entire firewall. I would brace the cab, cut out the firewall, remove and weld in the firewall from the donor cab. __________________ 1963 C-10: Deluxe-optioned cab, shortbed, fleetside Pontiac 462 ci, Kauffman D-Port alum. heads 4L80E, narrowed sheetmetal Ford 9-inch Tubular front and rear suspension Custom 6-piston front disc and 4-piston rear disc brakes

12-28-2018, 12:52 PM	#17
DCLefler Registered User Join Date: Nov 2016 Location: Santa Clara UT Posts: 17	Re: Big back window Pardon my lack of experience but what do you mean when you say "brace the cab"?

12-28-2018, 01:08 PM	#18
vin63 It's Better With Nitro Join Date: Apr 2008 Location: Chino Hills, CA Posts: 2,262	Re: Big back window Since it appears that the cab is not mounted to the frame, and if you remove the firewall (a significant component to the structural integrity of the cab), it would be good idea to brace the cab before cutting out the firewall to keep it square while you cut, grind, hammer, weld, etc. Even if it was mounted to the frame, I would still tack weld in a few diagonal braces similar to this from a member on this forum: Attached Images __________________ 1963 C-10: Deluxe-optioned cab, shortbed, fleetside Pontiac 462 ci, Kauffman D-Port alum. heads 4L80E, narrowed sheetmetal Ford 9-inch Tubular front and rear suspension Custom 6-piston front disc and 4-piston rear disc brakes

12-28-2018, 03:31 PM	#19
DCLefler Registered User Join Date: Nov 2016 Location: Santa Clara UT Posts: 17	Re: Big back window Thanks that's is what I thought you meant. I keep asking myself what was i thinking. It will certainly be a learning process. I already have a runner that I am going to 454 in so I will have plenty of time to do the cab work Attached Images

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