[Diy_efi] Intercooled question

[Programmer]

If you look at the manufacturers' bottom line, there's only two approved
refrigerants for automotive use. R12 and R134a. I've been doing A/C work for
the past 18 years, and R134a often works better than R12 did...and it works
just great in a system designed  for R12, regardless of what you hear...just
jump through the simple hoops and it's done. Most people tend to overcharge
the system since they look at the R12 amount--and think R134a has to be
a similar charge...it doesn't work that way. I could care less what some
website
that promotes alternatives, says...I know what works.

Lyndon
HRAI Certification among others...

----- Original Message -----
From: "Ron Schroeder" <rjs at bnl.gov>
To: <diy_efi at diy-efi.org>
Sent: Wednesday, June 26, 2002 5:46 AM
Subject: Re: [Diy_efi] Intercooled question


> Hi Lyndon,
>
> If you are talking about automotive A/C, R134a is not a very good
substitute
> for R12 in an A/C designed for R12.  Even if the seals and the oil is
> changed, the C/R of the compressor is not correct for R134a in most old
> systems.  There are a number of retrofit substitutes for R12 in A/C units
> that are far better than R134a.  (R134a is fine in units designed for it)
>
> As a phase change coolant for an intercooler, I think there are better
> choices than either R12 or R134a.  Especially if there is a chance of not
> full recovery of the coolant.
>
> Ron Schroeder
> WD8CDH
> day 631 344-4561
> nite 631 286-5677
>
> ----- Original Message -----
> From: "Programmer"
> > Guys,
> >
> > R134a is so cheap right now, why look at the other blends ? It's not
cost
> > effective at all to look at a blend, especially when considering
warranty.
> >
> > Lyndon
>
>
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>




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