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Old 03-11-2007, 04:23 PM
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Where to find A.C. parts for a Nova restoration?

I am restoring—in a small degree—a 1973 Nova. The car is in good structural condition and has a decent paint job, however, it has been tubbed and had a roll-bar installed—somebody was trying to make a quasi-race car. I will be fitting it with bucket sport seats and a fuel injected LT1 engine for street duty. Spring is soon to bring summer and I want to have air conditioning for this daily driver. Did these cars have a firewall mounted blower/evaporator assembly or an interal, dash concealed unit? I haven't taken apart the dash to check for anything, but I do know that there is nothing on the firewall.

I am assuming the worst and am prepared to replace the entire HVAC system—for all I know, the car may not have even had it from the factory. I tried searching the internet for projects such as this but found very little information. Can anyone point in the right direction or share some helpful knowledge? I am hoping to replace the entire interior as it has been butchered for "weight" purposes.

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Old 03-11-2007, 07:37 PM
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I know that classic industries has a bunch of nova parts, I looked on the website and they have the evaporator case and bunch of other hard to find AC parts which may or may not help you.


I thought that the Nova (and most other 70's gm stuff had a different cutout in the firewall for AC cars. I know the evaporator lives in the engine compartment, to the left of the fan.

If I were you I'd try to find the whole assembly out of another car, you will save a ton from having to buy it new, assuming you could find it all. I would check one of the nova forums and see if that housing was unique to the nova, or if the monte carlo or chevelle or camaro used the same setup.

The other alternative is to get a system from one of the retrofit companies like Vintage Air, Airique, or Old Air.

It isn't stock, but if you did not have AC to begin with it might be esier to install..

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Old 03-11-2007, 08:41 PM
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Old 03-12-2007, 08:14 PM
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Might ask over at www.stevenovasite.com/forums . They call the '68-'74 Novas "3rd-generation", so try that section.
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Old 03-12-2007, 09:05 PM
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classic auto air in tampa florida can help you restore it
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Old 03-12-2007, 09:55 PM
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Originally Posted by jimfulco
Might ask over at www.stevenovasite.com/forums . They call the '68-'74 Novas "3rd-generation", so try that section.
i was browsing these forums the other day(I have a 74 SS) and I noticed someone was parting out a 73 AC car. You might want to check that out.
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Old 03-13-2007, 06:44 AM
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If it was an original A/C car, you can probably restore it with a combination of new and old parts. Most original A/C cars had different firewall openings and plenums. If you find the right donor car you can add these parts, but you really need the complete setup.

There are newer compressors and condensers you can use to update the old A/C system. On my '75 GMC I switched to a Seltec compressor, parallel flow condenser and new barrier hoses, and the A/C performance difference was impressive. I can get a vent temperature of 35 degrees when its 90+ outside. The Seltec mount still uses a very long belt (like the old A6 did), but the compressor is much smaller and lighter. I left the rest of the A/C system the same (e.g., evaporator and controls, etc.) and it works well with the new components.

If it wasn't originally an A/C car, then the easiest (but not cheapest) solution is a kit from Vintage Air or one of the other places that offer a complete package.

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