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  •  » 69 HVAC System

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    12/07/2023 10:02 AM  #1

    NKey149
    Active Member

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    Registered: 7/27/2023
    Posts: 7

    69 HVAC System

    My 69 Mexican made Mustang has no HVAC system at all. From what I was told, they didn't install them in Mexico because you didn't need a heater down there. Not sure how true that is, but either way, there's no heater box, no vents, no ducts, and not even controls (the spot is empty).

    I want to have heat, but would like the option to have AC sometime in the future. In other words, I don't want to buy a non AC heater box if I'll need to replace it sometime down the road when I get AC.

    Here's the question: would a box for factory AC such as this:
    https://www.cjponyparts.com/cj-classics-heater-box-assembly-with-factory-a-c-mustang-1969-1970/p/HBA7/?gclid=CjwKCAiA98WrBhAYEiwA2WvhOtOHadvrPqHdbzYrRMeavlnP37V7yh9RSW3tYluPt-kV01KMeGG3exoCmdoQAvD_BwE

    Allow me to just have heat until I get the remaining AC parts? I bought a control for both AC and heater, but have nothing else. Other than this box, am I correct to say I'd need a motor blower, gasket kit, vents, duct work, heater core and hoses. Anything else I'd need and am I over my head on this to do myself? Experience is limited, but learning as I go.

     

    12/07/2023 11:57 AM  #2

    rpm
    Senior 24-7 FYI Addict

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    From: Bakersfield, Ca
    Registered: 9/17/2013
    Posts: 3,619

    Re: 69 HVAC System

    Welcome to the forum. We really like to see pictures of the members cars regardless of condition.

    I just recently installed factory  AC in my non AC 69. It was a $hit ton of work, and cost much more than an aftermarket unit. The number of specific parts is immense. I don't recommend doing factory AC unless you are well versed in it, and enjoy pain.

    The part you link looks like my unit, and says it's what you want in the description. Without the fan blower and maybe other parts in the system, I don't know if you could get it function. The vents are opened and closed via vacuum lines and servos. Without the blower motor the ducts can't be attached. The Ford Shop Manual is required in my opinion for this job.

    If I were you, I'd get the heater only unit, then sell it when you get around to buying the complete system.

    Bob. 69 Mach 1, 393W, SMOD Toploader, Armstrong  steering, factory AC.
     

    12/07/2023 12:38 PM  #3

    MS
    Forum Originator

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    From: Canyon Lake, Texas
    Registered: 1/24/2013
    Posts: 12,189

    Re: 69 HVAC System

    I agree 100% with RPM.

    OR, maybe buy a Vintage Air system and save the compressor, condenser and hose installation for a later date. The heater part of the install would be a simple one-day job.

    Money you enjoy wasting is NOT wasted money... unless your wife finds out.
     

    12/07/2023 3:06 PM  #4

    TKOPerformance
    Hyper FYIFORD ADDICT

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    From: Newark, DE
    Registered: 12/15/2014
    Posts: 7,449

    Re: 69 HVAC System

    With quality aftermarket systems now available from several different companies I would not waste $1 on trying to round up and get working an original system.  The parts are old and used up.  I'd much rather have a modern compressor that takes 3HP to run instead of 20HP too.  You can run an AC heater box and just not connect the AC and still have heat.  I'm sure Classic Auto Air or someone else would sell you the stuff piecemeal. 

     

    12/07/2023 4:21 PM  #5

    NKey149
    Active Member

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    Registered: 7/27/2023
    Posts: 7

    Re: 69 HVAC System

    I really appreciate this information. I will be taking your advice. I don't necessarily want to go down the road of a painful and difficult install. I'll begin saving for a complete system through Vintage Air or Classic Auto Air, is one better than the other? Big mistake averted. Thanks all.

       •Thread Starter
     

    12/07/2023 9:36 PM  #6

    MS
    Forum Originator

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    From: Canyon Lake, Texas
    Registered: 1/24/2013
    Posts: 12,189

    Re: 69 HVAC System

    I have vintage Air in my 69.  It was a clean installation but lost the charge after about six months. I have not had time to diagnose the leak.  It did work great when it worked.
    I have Vintage Air in my 66 that I installed in 2010.  It has worked flawlessly since I installed it.

    Money you enjoy wasting is NOT wasted money... unless your wife finds out.
     

    12/08/2023 9:06 AM  #7

    BobE
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    From: White Plains, NY
    Registered: 4/04/2013
    Posts: 2,598

    Re: 69 HVAC System

    I have a Vintage Air system in my 65 and am quite pleased with it.  

    65 Fastback, 351W, 5-speed, 4 wheel discs, 9" rear,  R&C Front End.
     

    12/08/2023 6:49 PM  #8

    Bullet Bob
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    From: Montrose, Colorado
    Registered: 4/01/2013
    Posts: 4,880

    Re: 69 HVAC System

    I have a Vintage Gen 4 system in our 66 with the electronic controls with infinite fan speed, temp blending and vent mixing.  Love it.  Hotter'n Help at the Bash this year...even the natives were complaining...but the AC kept Mrs BB quite happy. Nuff said.
     

    "you get what you pay for, good work isn't cheap, and there are NO free lunches...PERIOD!"
     

    12/08/2023 6:50 PM  #9

    Bullet Bob
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    From: Montrose, Colorado
    Registered: 4/01/2013
    Posts: 4,880

    Re: 69 HVAC System

    Oh...and welcome to the best place and the best group, on the web.

    "you get what you pay for, good work isn't cheap, and there are NO free lunches...PERIOD!"
     

    12/09/2023 1:45 AM  #10

    Ron68
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    From: Mukilteo, Washington
    Registered: 4/01/2013
    Posts: 1,549

    Re: 69 HVAC System

    Bullet Bob wrote:

    I have a Vintage Gen 4 system in our 66 with the electronic controls with infinite fan speed, temp blending and vent mixing.  Love it.  Hotter'n Help at the Bash this year...even the natives were complaining...but the AC kept Mrs BB quite happy. Nuff said.
     

    And I have the OEM 460 a/c installed on both my 68 and my 65. 4 windows down at 60 mph. :-)

    68 coupe - 351W, 4R70W, 9" 3.25 -- 65 convertible - 289 4v, C4, 8" 3.00
     

     

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