A/C delete option on 71 Malibu - Chevelle Tech
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post #1 of 6 (permalink) Old Sep 20th, 99, 7:23 PM Thread Starter
Join Date: Aug 1999
Location: Birmingham, AL 35115
Posts: 4
I am trying to remove my A/C-Heater box and replace it with a Heater box only option. Can this be done by simply locating a original or replacment piece with very little misc. work? Not sure where to look and Year One's cat. doesn't show either boxes. Any advice will help!!!
danog is offline  
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post #2 of 6 (permalink) Old Oct 31st, 99, 4:26 PM
Join Date: Apr 1999
Location: L.A.,CA, USA
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I am doing the opposite, i.e. adding a/c to a non-a/c car, a 1970 Chevelle Concours wagon. I have to cut in a new hole through the fire wall that fits the a/c-heater box. It is oriented vertically, where the "heat only box" is oriented horizontally. I would suggest that you make a template from a car with a heat only box, for all of the holes. The heater core is different, so it will require replacement. What will you do with the dash? If you're trying to make it close to original, the '70 non-a/c cars had no holes for the vents.
Let me know if I can be of further help.
Mark T. in L.A.
'70 Chevelle Concourse wagon.
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post #3 of 6 (permalink) Old Oct 31st, 99, 6:54 PM
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I think that you have more of a challenge here than just trading parts. The AC cars had different dash panels (aka "firewalls") than the heater only cars.You will need to do some sheet metal surgery. When you find a donor car, make a template of the opening in the dash panel that you can transfer to your AC car.Or cut out the section of the dash to weld into your car.
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post #4 of 6 (permalink) Old Nov 2nd, 99, 10:27 PM
Join Date: Feb 1999
Location: mi
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I did this same project last summer the hole in the firewall on the ac cars is alot bigger and in a different location than the non ac cars so you will have to do some cutting and welding i wouldnt attempt it unless you have a donor car to cut the fire wall out of . if you are serious about doing this i can explain in more detail how i did mine . also my car was completely apart and the interior out including the dash
aces 1432
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post #5 of 6 (permalink) Old Feb 2nd, 05, 11:05 AM
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I treid to do the same thing with a heater box from a non A/C car and it is a PIA. If I were you I would just go to americangraffiti.biz and order their delete box. It may not look exactly stock but Ill tell ya its a lot easier than trying to make the heater box fit.
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post #6 of 6 (permalink) Old Dec 5th, 05, 4:01 PM
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Re: A/C delete option on 71 Malibu

American Graffiti makes a box to do this very thing. Check the Classifieds, they usually have a post in there. I don't know the # or website off hand..


LateNight72 is offline  
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