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03-07-2021, 01:53 AM | #1 |
Registered User
Join Date: Aug 2018
Location: Breton, Alberta
Posts: 24
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Firewall heater hole for aftermarket A/C?
70 C10 1/2ton
It originally just had a simple heater with no A/C. I am likely going to be installing an aftermarket AC heat combo kit (vintage or old air) and I am wondering how these kits incorporate the stock holes on the passenger side of the firewall. I am asking now so I don’t have to back track down the road when this truck is in primer or paint. Any input is appreciated. Thanks. |
03-11-2021, 01:48 PM | #2 |
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Join Date: Jul 2006
Location: Pittsburgh, PA
Posts: 204
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Re: Firewall heater hole for aftermarket A/C?
They come with block-off plates for the blower fan hole and a large plate for the other 2 holes. The new systems like the Vintage Air put everything inside under the dash. The only thing that passes thru the firewall are the 2 heater hoses and and the 2 A/C hoses
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Project Family Values Build Thread Vehicles/Projects: -1971 C10 SWB Fleetside! Gathering parts now, will begin frame-off resto soon... Pleasure in the job puts perfection in the work. -Aristotle |
03-12-2021, 01:32 AM | #3 |
Registered User
Join Date: Aug 2018
Location: Breton, Alberta
Posts: 24
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Re: Firewall heater hole for aftermarket A/C?
Thank you, Mars.
One more question now: Considering a vintage with everything under the dash, does anyone have under dash photos of the installation? Just thinking ahead of where to mount the ECM for the LM7 I’m using. |
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