Heater box - Vintage Mustang Forums
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post #1 of 12 (permalink) Old 04-15-2019, 05:30 PM Thread Starter
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Heater box

question on the heater core installation, do the heater hoses get attached before the box gets bolted against the fire wall or after? Do you see the hose clamps in the engine bay?
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post #2 of 12 (permalink) Old 04-15-2019, 05:50 PM
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Cut the hoses in the engine compartment then you can pull the whole heater box assembly. When you reassemble cut the hoses long enough to trim later on. Put the hoses and clamps on. The clamps will be covered up inside. Yeah not one of Fordís better ideas

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post #3 of 12 (permalink) Old 04-15-2019, 05:53 PM
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On my '66, they were attached before reinstalling the unit in the car. Make sure you clock the hose clamps so that you can get a screw driver on them once the assembly is installed.
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post #4 of 12 (permalink) Old 04-15-2019, 07:30 PM
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Screw that, buy the core that extends the nipples into the engine bay.

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post #5 of 12 (permalink) Old 04-15-2019, 07:36 PM Thread Starter
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Quote:
Originally Posted by bmcgc View Post
Screw that, buy the core that extends the nipples into the engine bay.
The heater core that I have does extend into the engine bay my question is what was factory? Were the clamps attached prior to the box going against the firewall after?
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post #6 of 12 (permalink) Old 04-15-2019, 07:37 PM Thread Starter
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Quote:
Originally Posted by Huskinhano View Post
Cut the hoses in the engine compartment then you can pull the whole heater box assembly. When you reassemble cut the hoses long enough to trim later on. Put the hoses and clamps on. The clamps will be covered up inside. Yeah not one of Ford’s better ideas
What was the Was the way the factory did it?
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post #7 of 12 (permalink) Old 04-15-2019, 07:41 PM
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What you see in the photo in post #3 is the way the factory assembled it.


'66 GT Fastback, 302, Edelbrock Top End, Sniper EFI/Aeromotive, MSD, JBA Headers & 2.5" Exhaust, T5Z, Currie 3.55 Trac-Loc
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post #8 of 12 (permalink) Old 04-15-2019, 08:59 PM
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If youíre buying a new core, buy the OEM brass style. I hear the aluminum ones fit like crap
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post #9 of 12 (permalink) Old 04-15-2019, 09:28 PM
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Attach the hoses before re-installing the heater box. No you cant see the clamps in the engine bay on a '68.
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post #10 of 12 (permalink) Old 04-16-2019, 09:37 AM
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Don't forget to attach the control cables BEFORE you re-install the heater box.....you cannot attach them once the box is installed. And as Huskinhano says, get the OEM brass style.
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post #11 of 12 (permalink) Old 04-16-2019, 10:10 AM
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I just stripped out, cleaned and painted my heater assembly. Just wondering if it's worth taking the chance on pressure testing and re-installing my brass heater core? Who knows whether or not its original or a replacement? It looks fairly clean. Whatya think?
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post #12 of 12 (permalink) Old 04-16-2019, 10:17 AM Thread Starter
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Originally Posted by Huskinhano View Post
If you’re buying a new core, buy the OEM brass style. I hear the aluminum ones fit like crap
Exactly what I purchased, for me the brass was a no brainer
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