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**Clyde65** · 05-29-2019, 08:02 PM

I’m not sure but I believe the gen IV compressors are different and don’t work the best, the Gen III is what I run with my Old Air Products AC.

I run a trinary and have the pcm turn on the one fan at 190, then the other at 210 or when AC is turned on. Hope this helps.

05-29-2019, 08:02 PM	#3
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,549	Re: Gen IV & Vintage Air I’m not sure but I believe the gen IV compressors are different and don’t work the best, the Gen III is what I run with my Old Air Products AC. I run a trinary and have the pcm turn on the one fan at 190, then the other at 210 or when AC is turned on. Hope this helps. __________________ Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 *support our troops!*