There is a world of difference between R 12 and R 134 compressors as they are making different pressures to correctly compress the freon. I read in the Cadillac National Club Magazine (4 yrs ago) an article on how to convert the old GM compressors to R 134, it is very involved & interesting to read. bob schwarze --- Don Verity <d.verity@xxxxxxx> wrote: > Hi Tom, > The companies that sell the Sanden compressors list > a different one for R-134 & R-12. I don't know if > the difference is more than just the fittings and > oil. You might want to call the place you got it > from and ask. > 300ly, > Don Verity > ----- Original Message ----- > From: tdcox@xxxxxxxxxxxxx > To: Chrysler300@xxxxxxxxxxxxxxx > Sent: Sunday, January 06, 2008 6:13 AM > Subject: [Chrysler300] a/c freon > > > Hey Rob, Dan et. al. > > I installed a new rotary compressor on my 56 > Imperial with 134A; I have front and rear A/C like > Rob in a single loop. It does not cool well. Also, I > have had to install two ugly (plastic) cooling fans > in front of the condensor, I am told, because the > R134 requires additional cooling to operate > properly. > > Can I switch the freon in the new compressor to > R-12 for improved cooling and also to remove the > cooling fans? The original A/C on 56's did not have > an auxiliary cooling fan and I would like to have > that "look" and the extra cold air. Thoughts? > > Thanks. Tom Cox > > > > > [Non-text portions of this message have been > removed] > > ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: mailto:Chrysler300-digest@xxxxxxxxxxxxxxx mailto:Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/