C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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AC upgrade to 134

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Old Nov 30, 2013 | 03:12 PM
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From: tuttle ok
Default AC upgrade to 134

I went back and forth on whether to upgrade the AC in our 72 vert or leave it stock. After lots of thought I decided to upgrade the compressor to a pro 6 ten from old air products in Dallas and also the condenser to a parallel flow condenser. I also removed the POA valve and used the kit that turned the system into a cycling system. Then charged with R-134. I did not like the looks of the compressor so I rapped it with some thin sheet aluminum and painted it black. Here are a couple of pics. I know it is not stock anymore but I wanted a system that worked well and could be serviced if need be without to much cost or trouble. Tell me what you think.


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Old Nov 30, 2013 | 05:13 PM
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Looks freakin great
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Old Nov 30, 2013 | 06:37 PM
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Thanks dogboy. Blows cold too! I guess that is really the main thing.
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Old Dec 2, 2013 | 11:53 AM
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Looks great. I went with the pro6ten compressor too, parallel flow condenser and a VIR Eliminator. I also put in the C4 blower with a spacer.

It will do 46deg F on a hot NC summer day.
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Old Dec 2, 2013 | 12:23 PM
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Nice work on the compressor.

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Old Dec 2, 2013 | 06:14 PM
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Originally Posted by jcloving
Looks great. I went with the pro6ten compressor too, parallel flow condenser and a VIR Eliminator. I also put in the C4 blower with a spacer.

It will do 46deg F on a hot NC summer day.
I put in a 1980 fan motor and squirrel cage. Do you still have the stock fan and fan clutch for radiator cooling?

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Old Dec 2, 2013 | 06:17 PM
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Thanks Easy Mike!
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