Re: [FWDLK] Old A/C

[Jack Johnson <johnaire@xxxxxxxxxxx>]

I have been in the A/C trade for 34 years retiring about 2 years ago.  Back
in the early 70's I worked for a man who done automotive A/C and we repaired
quite a few, but no 50's models.  I don't remember ever hearing having R-22
in any vehicles-just R-12.  Head pressure wise, R-12 has a normal operating
head pressure of 125 + while R-22 has about 225 + Lb head pressure. It would
seem to me that the R-12 would have been used in all vehicles due to the
excessive pressures, but as we all know anything probably can happen and may
have happened.  And I would nnot doube that it may have been tried at one
time or another.  All the ones I worked on were R-12.  Are there any
documents stating R-22 in an automotive air conditioner??
Jack Johnson  Shinglehouse, Pa


----- Original Message -----
From: Mike Sealey <mopar2ya@xxxxxxxxx>
To: <L-FORWARDLOOK@xxxxxxxxxxxxx>
Sent: Monday, July 08, 2002 11:35 AM
Subject: Re: [FWDLK] Old A/C


> --- JASON ROGERS <ljrogers@xxxxxxxxxxxx> wrote:
>
> > Are there any vintage-A/C experts out there (not
> > Vintage Air aftermarket, but "vintage" as in '1954
> > through the Forward Look years)?  I was surprised to
> > learn that in '54, the first year for Chrysler's
> > factory A/C system (as was available for the
> > Imperial) the refrigerant was R-22 - household
> > A/C refrigerant!
>
> I'm nowhere near being an expert, not even very
> knowledgeable about A/C, but in a twisted way I can
> see how this would've happened. Logically enough,
> Chrysler gave this project to their Airtemp division,
> which built A/C systems for homes and office
> buildings. (Legend has it that Airtemp Division was
> created in part to give Walter Jr. something
> non-automotive to do, and partly because WPC Sr. was
> less than happy with the system the Chrysler Building
> was built with.) It makes sense that the Airtemp staff
> would be familiar with R22, and that they would
> continue using it. I think the '57 and later
> compressors and other components came from an outside
> supplier, and it makes sense that the specs would
> change at that time.
>
> I'd be interested to hear if Frigidaire and Kelvinator
> played similar roles in the development of the GM and
> Nash/AMC A/C systems.
>
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