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Old 07-02-2021, 01:43 AM   #6
Richard
Senior Member
 
Join Date: Dec 1999
Location: Southern California
Posts: 2,977
Re: AC. Factory or aftermarket

I am retrofitting factory A/C converted to R134a. The cycling clutch system used in later systems and aftermarket was designed as a cost cutting measure. Obviously it works as it is installed in millions of vehicles, but not necessarily better. Aftermarket systems are designed to be compact, air passages are cramped and restricted. Less BTU's. Servicing is not easy. Fresh air is eliminated with all of them as well. If you have all the original A/C parts no reason not to use unless you prefer a cleaner firewall and the disadvantages I mentioned.
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Richard
1972 K10 Custom Deluxe SWB Fleetside
My build https://67-72chevytrucks.com/vboard/...d.php?t=800746

Last edited by Richard; 07-02-2021 at 04:26 AM.
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