Date:         Thu, 5 Jul 2001 15:31:46 -0700
Reply-To:     Mark Dorm <mark_hb@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mark Dorm <mark_hb@HOTMAIL.COM>
Subject:      Re: AC
Comments: To: Candmhok@aol.com
Content-Type: text/plain; format=flowed

Head pressures? you mean my engine? or some part of the ac unit?


>From: Candmhok@aol.com
>To: mark_hb@hotmail.com, vanagon@gerry.vanagon.com
>Subject: Re: AC
>Date: Wed, 4 Jul 2001 12:44:37 EDT
>
>I am no AC guru, but with all this talk  about 409, I figured I should pipe
>up.  First, 409 is not approved for mobile systems.  It was designed for
>home, stationary systems (which is why it is sold only in 30lb cans).
>Therefore, it cannot legally be used in your vanagon.  Also, it is a blend
>contianing something like 60% R22 .  As a result you will see extremely
>high
>head pressures using this stuff, especially at high ambient temp.  I
>realize
>people have used it, and I am really not saying not to or that it won't
>work,
>I am just trying to point out that it is not the holy grail of R12
>replacement  and if you want to play with your AC, you should do the
>research
>and be comfortable with what you are doing.  An AC system is one of the few
>system on a vanagon, that can acutally hurt you.    My. .02  Charlie..

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