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Andy4639 · 03-17-2015, 04:27 PM

I've been running 134a in mine for as long as I can remember and no problems. I bought the kit when I did it from Classic air. I had the old parts that I took off another truck first but the old A-6 compressors wouldn't hold up. I since have swapped a 6.0 in it and it runs great now to. I swapped condensor acumalator did away with the drier, and put the orfice tube in the bottom line. I bought the hose kit and brackets along with sanderson compressor and ran it for several years before I did the LS swap.

http://www.classicautoair.com/GM_OEM_Parts_Engine.html

03-17-2015, 04:27 PM	#21
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,936	Re: Converting factory AC to use R134a I've been running 134a in mine for as long as I can remember and no problems. I bought the kit when I did it from Classic air. I had the old parts that I took off another truck first but the old A-6 compressors wouldn't hold up. I since have swapped a 6.0 in it and it runs great now to. I swapped condensor acumalator did away with the drier, and put the orfice tube in the bottom line. I bought the hose kit and brackets along with sanderson compressor and ran it for several years before I did the LS swap. http://www.classicautoair.com/GM_OEM_Parts_Engine.html __________________ 1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.