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Old 25th-May-2010, 05:12 PM   #1
tazwings3

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Smile 68 nova with air and a big block

I own a 68 nova with a big block and I am trying to put air conditioning in it. i am looking for any pictures for where the heater hoses connect to the firewall and I also need to know what kind of valve covers i can run, tall ones or short ones. Any help is greatly appericated.
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Old 25th-May-2010, 05:20 PM   #2
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What kind of air conditioning set up are you trying to put in? Is it a stock set up or aftermarket set up? Also, would love to see some pics of the car.
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Old 26th-May-2010, 07:08 AM   #3
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GM didn't offer A/C on the Big Block Novas so there are no "factory" references to this. GM did offer A/C on the 1st gen Camaro Big Blocks (325 horse) and that firewall is the same as your Nova so you can find pictures of early Camaros to compare with what you want to do. It might be simpler to install an aftermarket unit from someone like Vintage Air. I have seen the Camaros with air and a BB and it is a tight fit.


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Old 26th-May-2010, 08:57 AM   #4
tazwings3

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I am trying to install a aftermarket kit from classic auto air, if I can ever recieve the kit from them, but that is a different story. I will see if I can find pics of a BB camaro.
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Old 26th-May-2010, 09:58 AM   #5
L78 Nova
 
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I have a small block 68 Nova with working factory AC. If you're not in a hurry I can get some pics if you PM me. It's even tight in there with a small block.

I've heard the BB Camaro heater box is a little different than SB (clearanced inward near the valve cover). I've also heard the Camaro BB AC housing is available repro. Can anyone confirm either ??

I want to put a 427 in this thing and it sure doesn't look like it will fit right now.

Gary
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Old 26th-May-2010, 02:00 PM   #6
tazwings3

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I do know that the heater boxes are different between the SB and the BB. The heater hoses go into the middle of the heater box for the BB rather than off to the driver's side on the SB so there is no clearance problems, at least on the novas that I have looked at. As for the camaros, I would not know for sure.
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Old 26th-May-2010, 07:45 PM   #7
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Quote:
Originally Posted by L78 Nova View Post
I have a small block 68 Nova with working factory AC. If you're not in a hurry I can get some pics if you PM me. It's even tight in there with a small block.

I've heard the BB Camaro heater box is a little different than SB (clearanced inward near the valve cover). I've also heard the Camaro BB AC housing is available repro. Can anyone confirm either ??

I want to put a 427 in this thing and it sure doesn't look like it will fit right now.

Gary
Quote:
Originally Posted by tazwings3 View Post
I do know that the heater boxes are different between the SB and the BB. The heater hoses go into the middle of the heater box for the BB rather than off to the driver's side on the SB so there is no clearance problems, at least on the novas that I have looked at. As for the camaros, I would not know for sure.

One half of the evaporator housing (the fiberglass type part on the firewall) is different on a BB Camaro. It provides clearance for stock valve covers
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