air conditioning

mudbilly · Jul 27, 2005

ok, driving a rag top can be ALOT of fun......but not in the 98 degree heat with 95 percent humidity that we are now wading thru, especially with black leather seats

so, i figger that it is time to finally take the car to a shop to get the factory air working

are they going to try and talk me into using the new refrigerant???

should i do that or is it better to use the old stuff?? i have heard second hand stories about how the new stuff has smaller molecules and has a hard time staying in the old systems.... i know that gaskets, etc would also have to changed for this new stuff..

just tryring to get a handle on this BEFORE i get into discussions with the shop guy

iskwezm · Jul 27, 2005

mudbilly said:
ok, driving a rag top can be ALOT of fun......but not in the 98 degree heat with 95 percent humidity that we are now wading thru, especially with black leather seats

so, i figger that it is time to finally take the car to a shop to get the factory air working

are they going to try and talk me into using the new refrigerant???

should i do that or is it better to use the old stuff?? i have heard second hand stories about how the new stuff has smaller molecules and has a hard time staying in the old systems.... i know that gaskets, etc would also have to changed for this new stuff..

just tryring to get a handle on this BEFORE i get into discussions with the shop guy

yes they will try to convert you to 134.I personally belive that R12 cooled better,but it is scarce now and expensive(did a/c for 10 years)the change over wouldnt cost that much and i think whoever told you that it would leak easier or faster is mistaken.If all the hoses are tight and seals are good,there shouldnt be a problem.

mudbilly · Jul 27, 2005

don't the seals or orings and the like need to swapped out?

iskwezm · Jul 27, 2005

mudbilly said:
don't the seals or orings and the like need to swapped out?

yes,and the high/low pressure valves and i think the accumulator

mudbilly · Jul 27, 2005

freeze12

just got a tip on this stuff

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&category=46094&item=7988286769

i'm gonna throw 50 bucks at it and see how it works...........

i just hope that there isn't anything wrong with the system besides not having freon

mustangman1974 · Jul 27, 2005

look either at custom auto Air. They have a R134 conversion. That stuff wont; work my dad tried it on his PU it eventually did something int eh condensor and that had to be replaced. and did cool worth a damn. Vintage air also sells a conversion. I believe its the dryer, rings, oil, and something i can;t member. It an easy conversion.

iskwezm · Jul 27, 2005

mudbilly said:
just got a tip on this stuff

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&category=46094&item=7988286769

i'm gonna throw 50 bucks at it and see how it works...........

i just hope that there isn't anything wrong with the system besides not having freon

you might want to get a VAC. put on it to see if it will hold and has no leaks.

That kit should work if the system is good

65ShelbyClone · Jul 28, 2005

Forget the Freeze-12 and just do a 134a conversion. It cools damn well for being "not as good as R12". At the worst you'll need a system flush, new drier, and new oil. There are a few different types of oil to use, the universal being ester based. Regarding the molecules, there are no o-rings in an early system that I know of to leak through so the only way is by migration through the rubber hoses. That doesnt seem to happen.

I've been collecting and fabbing parts for my '68's A/C lately. I even machined some new Teflon Roto-Loc seals for the compressor ports since no parts store here has any. I also built adapters that let me connect 134a ports, cans, and gages to the old flare fittings. On top of that, I got a venturi vacuum pump and also made an electric out of a refrigerator compressor.

txwoody · Jul 28, 2005

When I got my 65 the AC wasen't working. The car was sitting for about 10 years, Didn't know if the compressor was out or what. So I just bought the fittings and through some 134 in it. I really just wanted to see if the compressor was working and check for leaks. It cooled great. I ended up running it like that for about 2 summers. It was still working when I pulled it all off to start my 5.0 install. I didn't flush it or put any oil into. Now I am not saying that is right or saying to do that, just stating that 134 will work in theses old ac systems.

66stangbluework · Jul 28, 2005

quick question, isnt the dash different on an ac car? My car didnt have a/c but I would like to one day

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