Heater box question
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Freshman User
Joined: Oct 2011
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From: Harford County, Maryland
Heater box question
What years were the heater boxes interchangeable in these trucks?
I have a 78 that someone did a heat delete in and I have to start gathering parts to put it back. There is a big hole on the firewall with a makeshift plate over it. Does that mean it was a factory air truck?
I have a 78 that someone did a heat delete in and I have to start gathering parts to put it back. There is a big hole on the firewall with a makeshift plate over it. Does that mean it was a factory air truck?
Rusty Roller
Joined: Oct 2011
Posts: 1,423
Likes: 5
From: Santa Cruz Mountains
Big hole big enough to crawl thru.... Yep Factory air. I think you could use a non-air box and fab a special cover. This would allow you to replace the heater core from the engine side....
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Freshman User
Joined: Oct 2011
Posts: 48
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From: Harford County, Maryland
I would love to put the air back. Now that would be killer !! Wonder if there are any fitment issues with the 429 swap and factory air?
Rusty Roller
Joined: Oct 2011
Posts: 1,423
Likes: 5
From: Santa Cruz Mountains
I fit that ac box in my 64 with a 460 shoe-horned in and it fit.... I'm sure someone will come along who has done that 400/460 swap that had factory air. They will know for sure. It does make getting to the rear plug on that side interesting but doable.
Fleet Owner
Joined: Dec 2009
Posts: 20,678
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From: NorCal
Aftermarket Air Conditioning For Automobiles and AC parts
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