I just had a thought, Could I use the stock A/C compressor hoses, etc. but use an after market (vintage air, southern air, etc.) under dash heat/cool unit like this or this?

What year A/C compressors, and other A/C equip. would work?
My heater core is shot, and I would like A/C, but cant find a whole origional under dash unit for a 73+ A-Body.

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'74 Duster 225 Super Six w/904
14" Cragar SS wheels

Yes, use the stock factory underhood components, and have new hoses made up to fit.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

What about mounting the new heat and A/C box, what do I have to do?

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'74 Duster 225 Super Six w/904
14" Cragar SS wheels

Any idea who makes new hoses or can make copies of original hoses?

Mounting of the heat/A/C unit requires fabrication work, with custom mounting brackets.

You do not want copies of the original hose, they will not fit the aftermarket evaporator. Any full service A/C shop should be able to fab custom hoses. I do that on a regular basis.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

This place has complete in-dash/under-dash kits:

www.nostalgicairparts.com

I haven't tried one, but I am probably going to eventually use the under-dash kit.

How would you hook up an under dash unit? Bolt it to the dash?

Another question, what compressors/parts could I use for this? I am on kind of a budget, and I know 73-76 A/C parts are pretty hard to find, and I could pick up a complete set from a junk yard for about $50 out of, lets just say, a chevy or somthing.

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'74 Duster 225 Super Six w/904
14" Cragar SS wheels