[Gmcnet] Duracool compatibility

[John Wright]

Gary,
Durcool is not compatible with R-12 or R-134 gases.  It is compatible  
with the oils used within those refrigerants.

You should not add Duracool to any systems that contain existing  
refrigerants.  You should remove the existing refrigerants and then  
recharge with Duracool.

J.R. Wright
GMC GreatLaker
77 Eleganza Custom
1975 Avion Under Reconstruction
Michigan

On Aug 8, 2008, at 11:27 PM, Gary Worobec wrote:

> I'm sure this question has been asked a dozen times but I was not  
> paying
> attention.
>
> Can you add Duracool to a system that already has R-12 in it to get  
> the
> pressure up or should you evacuate all the r-12 and use straight  
> duracool?.
> (I just need a little) I understand that with Duracool you DO NOT  
> have to
> pull a vacuum?
>
> Thanks,
>
> Gary and Joanne Worobec
> Anza, CA
> 1973 23' Glacier
>
>
>
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