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Old 09-05-2014, 08:48 PM   #1
72BlueBurb
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Join Date: Mar 2014
Location: Lafayette, IN
Posts: 8
AC Experts

I am attempting to put together the AC system on my '72 GMC Burb with factory front and rear air. I am using an aftermarket compressor, condenser, and drier. I know just enough about AC systems to cost myself a lot of money. Two questions:

1. What is the capacity (r134 and oil) for our systems?

2. When I got the truck, most of the AC stuff was under the hood, but I have read about an orifice tube. Do our trucks have them? If so, part number and where should it be?

Any help would be greatly appreciated,
Ryan
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