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Old 11-09-2002, 07:01 PM
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Arrow possible to use HVAC system?

I had posted recently concerning the use of a grand prix enviromental controls / system so I could have dual climate controls in my 1950 chevy hotrod (pickup).

I was told this is completely independent of the computer system, and is it's own HVAC system. how would I integrate this, and is it going to be practical?

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Old 11-09-2002, 07:52 PM
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Yes and no to the computer, most climate/dual climate have a seperate computer called a BCM (Body Control Module). I believe it recieves input directly from the coolant temp., sunload,interior/exterior temperature etc. sensors and doesn't need the ECM to control the HVAC. However you will need this module (BCM) along with the power amplifier module (to control fan speeds) in order to make it work.
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Old 11-09-2002, 09:24 PM
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so what all will I need to take from the donor vehicle in order to make this thing work? (as complete of a list, if possible - I'll have to start my search)

thanks for the help...
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Old 11-09-2002, 10:16 PM
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First, do you really want to do this, and are you ready (skill/toolwise) to tackle this? (not going to be easy and no bulletin board in the world will be able to help much unless you are competent/experienced with the task at hand) Second, is the ductwork etc. from the donor able to be fit under the dash? Third, is a dual climate control practical in a small area such as a pickup cab? Those are just a few questions that come to mind at the moment. I'm not saying not to do it by any means, but this is a real task even for the pros. and anyone that tells you it's easy, have not been there and have not done that. Are you ready to do some cutting and modifying to your truck? I'll help all I can, but I would hate to see you bite off more than you can chew (it's a pretty big bite). It's definately do-able, but make sure to have a plan first.
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Old 11-10-2002, 08:27 AM
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well - quite honestly I don't know anything about how to do it.

I would love to do it if it's practical, but obviously isn't a huge deal. when I get this vehicle done my next project with be a family traveler (i.e. late 30's 4 door sedan). by that time I'll have a lot more experience under my belt, and may try to tackle it at that point.

thanks for the info...
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Old 11-10-2002, 06:22 PM
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It's still a neat idea, except maybe just go with a conventional type climate control or just an aftermarket system (More installer freindly). I like hotrods with A/C, nothin' like a fast ride with the comfort of a daily driver.
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Old 11-11-2002, 12:02 PM
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I tried to integrate a climate control a/c unit into my 64 chevy pickup without much success it just never worked properly. Unless you are experianced with automotive A/C systems I think you would be best to look at an after market system.
I have 3 vehicles with Old Air Products Units that are working great. They have a new forum online that is specifically for A/C related questions www.oldairproducts.com/forum
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