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R134a Retrofitting information

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Blue85, Jun 15, 2001.

  1. Blue85

    Blue85 Troll Premium Member

    Jul 26, 2000
    Likes Received:
    Grand Rapids area
    There is a lot of information and dis-information floating around on the web and I want to start a thread here to help sort all of it out. We need to identify what the potential risks are to using retrofit "kits", what the proper parts and procedures are to do a full retrofit and how to get the maximum performance and life from original R-12 systems in our K-5's.

    I am not an expert, but let me start things off by talking about oil. Not all oils are compatible with all refrigerants and not all oils are compatible with each other. Mixing them (i.e. retrofit kit) will almost always have bad effects, at least in the long term. If you want a great oil, check out the universal oil at <A target="_blank" HREF=http://www.acsource.com>http://www.acsource.com</A> This stuff is compatible with all refrigerants and all other A/C oils and is affordable. This place will also sell you Variable Orifice tubes and other stuff to make your retrofitted stuff work better and last longer.

    I am in the process of doing a complete and correct retrofit by myself. I will keep you posted as to the results. For now, please post only facts and first-hand experience and help us all figure out what is the most cost-effective and good performing solution.

    <font color=green>If a K-5 is "Built not Bought", why does this stuff cost me so much money? [​IMG] </font color=green>

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