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Factory ac holes location on firewall
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resq302
Posted 2023-04-17 11:44 AM (#628955)
Subject: Factory ac holes location on firewall


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Posts: 112
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Looking to try and route our Vintage Air Freon lines through the same area that the factory did on the firewall so it does not interfere with anything. Working on a 1957 Dodge 2 door suburban. I see two dimples above where the heater hose shut off valve is. One dimple is above it and the second is to the right. Would this have been the factory ac line location or was that for another option?

Thanks,

Brian
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56D500boy
Posted 2023-04-17 12:51 PM (#628956 - in reply to #628955)
Subject: RE: Factory ac holes location on firewall



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Location: Lower Mainland BC		.
I don't think it worked the way you think it did. Everything was done in the heater plenum. See below:





(57-58StyleACLayout.jpg)



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Attachments 57-58StyleACLayout.jpg (148KB - 48 downloads)
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resq302
Posted 2023-04-17 1:24 PM (#628957 - in reply to #628955)
Subject: Re: Factory ac holes location on firewall


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Ok. Do we know what those dimples would have been for on the firewall above and to the right of the heater shut off?
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57chizler
Posted 2023-04-17 3:35 PM (#628959 - in reply to #628955)
Subject: RE: Factory ac holes location on firewall



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Location: NorCal		Here's how I routed the A/C hoses on my '57 wagon, easily routes to the under dash VA unit.



(Eng FR2 (1) (Small).JPG)



(Evap_02 (Small).JPG)



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Attachments Eng FR2 (1) (Small).JPG (164KB - 49 downloads)
Attachments Evap_02 (Small).JPG (163KB - 41 downloads)
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Finsinthemirror
Posted 2023-04-17 4:44 PM (#628961 - in reply to #628959)
Subject: Re: Factory ac holes location on firewall



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Location: CA		I can tell you that the firewall behind the heater core housing/fresh air vent is opened up significantly larger than the standard heater core/vent assembly is. I'm not sure if the firewall metal stamping is different itself, I'm tempted to say it isn't.
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resq302
Posted 2023-04-17 8:31 PM (#628968 - in reply to #628959)
Subject: RE: Factory ac holes location on firewall


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Was that where those two dimples areas were on the firewall above the heater shut off? I looked at that area too and was thinking about possibly using that area but wasn’t sure how much access I would have with the blower motor.

Also, looks like your wagon is the same interior color as ours. Is your wagon a 2 door also?
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57chizler
Posted 2023-04-18 12:18 PM (#628988 - in reply to #628968)
Subject: RE: Factory ac holes location on firewall



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Location: NorCal
resq302 - 2023-04-17 5:31 PM

Was that where those two dimples areas were on the firewall above the heater shut off? I looked at that area too and was thinking about possibly using that area but wasn’t sure how much access I would have with the blower motor.

Also, looks like your wagon is the same interior color as ours. Is your wagon a 2 door also?


No, I wish it was.



(CIMG0448 (Medium).JPG)



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Attachments CIMG0448 (Medium).JPG (356KB - 45 downloads)
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Powerflite
Posted 2023-04-18 7:59 PM (#628996 - in reply to #628955)
Subject: Re: Factory ac holes location on firewall



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Location: So. Cal		The wagon is the only body that I actually prefer 4 doors. The extra doors don't detract at all from its looks and are much better in terms of really using the car. Loading and unloading anything (kids or stuff) from the back is a pain with a 2dr wagon. Be grateful for that. I love your wagon in all black form, with all it's doors.
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resq302
Posted 2023-04-18 8:53 PM (#628997 - in reply to #628955)
Subject: Re: Factory ac holes location on firewall


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Heres a pic of our wagon.



(wagon.jpg)



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Attachments wagon.jpg (107KB - 47 downloads)
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57burb
Posted 2023-04-19 6:05 PM (#629009 - in reply to #628997)
Subject: Re: Factory ac holes location on firewall



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Location: DFW, TX		The firewall for cars built with A/C is different than cars built without it.

I'm not exactly sure what area - the dimples - you are talking about. Maybe share a photo?

Here is the firewall of my '57 Chrysler with factory A/C. You might compare it to what you have. I have photos of every A/C component I removed as well, if that helps.



(20161231_172259.jpg)



(20161229_190703.jpg)



(20161229_190653.jpg)



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Attachments 20161231_172259.jpg (171KB - 44 downloads)
Attachments 20161229_190703.jpg (145KB - 44 downloads)
Attachments 20161229_190653.jpg (144KB - 45 downloads)
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