[DeTomaso] A/C freon
Gray Gregory
rgg at gregorycook.com
Sun Mar 27 17:58:11 EDT 2011
Bill,
I forgot to mention in my earlier reply that if you just want to go to Freeze 12 I have everything you'll need to do it. We can take care of it at the pig roast if you're planning on coming? .. I f you want to go to 134a then as I and others have said it's a much bigger job and not likely doable in a one day tech session.
Gray
-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On Behalf Of JDeRyke at aol.com
Sent: Sunday, March 27, 2011 4:37 PM
To: BillsStore at aol.com; detomaso at realbig.com
Subject: Re: [DeTomaso] A/C freon
Is there anything that can be added to a freon system with freon other than
freon? How do you convert a freon system?
Bill Vasser
74 Pantera
'Freon' is a generic name for hydro-fluoro-carbon gas and covers both R-12
and R-134a. To answer your question, I'd wait awhile. R-12 (now known as
HFC-12) is prohibitively expensive in most states and should not be diluted
with other materials- particularly propane which is in most cheap mixes. R-134a
(now known as HFC-134a) was the killer-replacement for R-12 touted by the
lawmakers a decade ago- who knew less about the situation than you but still
pass laws governing it. HFC-134a is now in the process of becoming illegal
in Europe since (SURPRISE!) it's now considered as damaging as HFC-12, so I'd
wait and see what the mfgrs come up with next. There are a huge number of
different refrigerants being used worldwide- some deadly poisonous and others
flammable- but for cars that often crash & break things, the situation is
unclear as to what's next, thanks to the global-warming lobby.
To convert a system takes at least a new compressor and hoses because
unless you do all your own service on your A/C, all the useable substitutes for
good ol' R-12 are a smaller molecule so they'll leak from every joint and
crevice, even if the old compressor & hoses are in perfect shape after nearly
40 years. Second, the oil added to the system to lube the compressor is
chemically different for each "freon" now available. Mixing oils often results in
coagulation and/or seizure of your compressor. So the system must be
totally flushed- hopefully by a professional shop with all the 'approved'
equipment. There are laws for everything these days, and venting any freons to the
atmosphere is prohibited. I'd contact such a shop (or a Pantera vendor) and
ask them what they can do for you and for how long. Or roll your windows
down.... Good luck- J DeRyke
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