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Aardvaark · 10-30-2007

Actually, if you use an R12 compressor you'll only need to change the oil and not the shaft seal according to sandens retrofit proceedure.

untitled

BTW.
Two years ago I converted my 44 year old 1963 Thunderbird's factory air that uses a big old York compressor to R134A and only changed the oil and reciever/dryer to R134A after a good flush of the system with compressed air.
The hoses appear to be originals that use compression fittings and no rubber o-rings. So far it still works great with no apparent loss of refrigerant. Whatever does migrate through the hoses and compressor seal seems to be very slight. This is the same experience I've heard from other friends who do a/c work.

10-30-2007	#26 (permalink)
Aardvaark UFO-pel researcher. Join Date: Aug 2007 Location: Des Moines, Iowa Posts: 1,547 Classified Rating: 0% (0)	Actually, if you use an R12 compressor you'll only need to change the oil and not the shaft seal according to sandens retrofit proceedure. untitled BTW. Two years ago I converted my 44 year old 1963 Thunderbird's factory air that uses a big old York compressor to R134A and only changed the oil and reciever/dryer to R134A after a good flush of the system with compressed air. The hoses appear to be originals that use compression fittings and no rubber o-rings. So far it still works great with no apparent loss of refrigerant. Whatever does migrate through the hoses and compressor seal seems to be very slight. This is the same experience I've heard from other friends who do a/c work. Last edited by tekenaar; 10-31-2007 at 12:16 AM.. Reason: experiance