Firewalls
Thread Starter
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Tuned
Joined: Oct 2020
Posts: 354
Likes: 107
Firewalls
74-78 firewalls
can any post pics of the two.
I have a 74 without a/c that i am restoring and a 78 parts truck.
the 74 did not come with a/c, but the 78 did and the wife now wants me to put the a/c into the 74.
just looking for what kind of work im getting into, before i start.
can any post pics of the two.
I have a 74 without a/c that i am restoring and a 78 parts truck.
the 74 did not come with a/c, but the 78 did and the wife now wants me to put the a/c into the 74.
just looking for what kind of work im getting into, before i start.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
74-78 firewalls
can any post pics of the two.
I have a 74 without a/c that i am restoring and a 78 parts truck.
the 74 did not come with a/c, but the 78 did and the wife now wants me to put the a/c into the 74.
just looking for what kind of work im getting into, before i start.
can any post pics of the two.
I have a 74 without a/c that i am restoring and a 78 parts truck.
the 74 did not come with a/c, but the 78 did and the wife now wants me to put the a/c into the 74.
just looking for what kind of work im getting into, before i start.
Thread Starter
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Tuned
Joined: Oct 2020
Posts: 354
Likes: 107
Ford390gashog
was hoping that was the case, but i have read where sometimes parts of firewall needs changing to make work.
i want to stay with factory air if i do it, makes it much easier for parts later.
that and i have most of those parts already
was hoping that was the case, but i have read where sometimes parts of firewall needs changing to make work.
i want to stay with factory air if i do it, makes it much easier for parts later.
that and i have most of those parts already
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,247
Likes: 5,814
From: S/W Missouri, Polk county
X2 fire wall is the same. X3 on make a pattern of the big hole on the one with a/c (once the box is out) and cut the other one for the monster box to go into. Also going be some rewiring of the main harness. Adding all the other little stuff, cutting (for vents) or swapping the complete dash. X4 That is another reason why an aftermarket set up is so nice and easy.
https://www.vintageair.com/
https://www.restomodair.com/
https://www.oldairproducts.com/produ...erdash-systems
https://www.classicautoair.com/
https://nostalgicac.com/
https://www.vintageair.com/
https://www.restomodair.com/
https://www.oldairproducts.com/produ...erdash-systems
https://www.classicautoair.com/
https://nostalgicac.com/
Cargo Master
Joined: Nov 2007
Posts: 2,238
Likes: 475
Replacement parts for the factory AC stuff is getting harder to come by too. The aftermarket kits will have better parts availability for a much longer time.
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Tuned
Joined: Oct 2020
Posts: 354
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Now i'm rethinking the a/c system.
thanks for the links 77/79
i like the vintage air one, do you think it is possible to use the system for a non a/c truck but use the factory a/c dash.
i wasn't planning on a/c at all but the wife wants it
thanks for the links 77/79
i like the vintage air one, do you think it is possible to use the system for a non a/c truck but use the factory a/c dash.
i wasn't planning on a/c at all but the wife wants it
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More Turbo
Joined: May 2014
Posts: 665
Likes: 139
From: Lakeside, Arizona
The after market ones I have seen have a separate box with ducts/ vents... I have a junked one that I just took out of a parts truck. My 74 has factory AC, and it looks like a big PIA to retrofit into a truck without. The dash would need to be swapped to make it easier, and yah you could prolly make a template to modify the non AC firewall... but it's a fair amount of work to do so I imagine...
Side question, my AC is functional but hath no R12, is there a kit to upgrade to R134 out there?
Side question, my AC is functional but hath no R12, is there a kit to upgrade to R134 out there?
Logistics Pro
Joined: Oct 2006
Posts: 4,031
Likes: 891
From: East Central Ia
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,247
Likes: 5,814
From: S/W Missouri, Polk county
X3 contact the manufacturer and see how their venting is directed. Could be a PITA to adapt? Yes you would be better off to swap to a already a/c vent dash if you just have to use the OEM vent placement.
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Tuned
Joined: Oct 2020
Posts: 354
Likes: 107
The parts truck is not complete, but i do have the remaing needed components. The system was opened by someone else (who knows when) and left to the elements.
i like that the vintage air system does not take up a lot of room under the hood.
tried to call vintage air, noticed they are based in texas. They are probably affected by the winter storm. So i will try again later.
i am currently doing a frame off restore on the truck, so now is the time to do it easier.
i like that the vintage air system does not take up a lot of room under the hood.
tried to call vintage air, noticed they are based in texas. They are probably affected by the winter storm. So i will try again later.
i am currently doing a frame off restore on the truck, so now is the time to do it easier.
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