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Re: [GMCnet] Dash A/C recharge [message #88781 is a reply to message #88724] Tue, 15 June 2010 22:45 Go to previous messageGo to previous message
emerystora is currently offline  emerystora   United States
Messages: 4442
Registered: January 2004
Karma:
Senior Member

On Jun 15, 2010, at 4:30 PM, Rusty wrote:

>
>
> Duracool gives a little more cooling but a possible bigger issue is, because of the larger molecule it causes the compressor to build up considerably less head pressure, so less stress on it. I run 134 in my coach because its dash air is not OEM and has all new components. Its ice cold. I ran Duracool in my corvettes.
> --
> Rusty
> 75 Glenbrook
> Philadelphia Pa

The larger molecule prevents its leaking past seals and o-rings but it really doesn't have anything to do with the compressor pressure.
The approx. 100 psi less pressure on the high side is due to the property of the fluid which is the pressure / temperature point at which it changes from a liquid to a vapor.

Emery Stora
77 Kingsley
Santa Fe, NM


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