kdlewis_wasting_time@access4less.net wrote:
> Robert,
> Ester oil is compatible with R12 but not compatible with
> mineral oil which is general associated with R12. So an R12
> system must be flushed of old oils before adding ester oil.
>
> I have not been able to determine if parallel condensors are
> beneficial or just a gimmick.
>
>       Ken Lewis
>  86 Transporter Crew Cab, 60 T-5 Coupe
>  http://neksiwel.20m.com/   O2  sensor monitor gadget, my
> cars, Vanagon Tech
>  http://EB03.20m.com/  Everybus 2003  pictures
>

I thought that the advantage of ester oil over PAG when doing a
conversion was that the ester oil would dissolve/mix with any remaining
mineral oil so that you didn't have to flush the system so well.

Larry A.
(started taking apart the AC compressor from my Cherokee today)