Those considering propane/isobutane mixtures may want to consider this article

http://www.popularmechanics.com/technology/industry/1758061.html?page=3

Do you research, decide your level of risk aversion, make your choice - but make it an informed choice.

Todd
'88 Westy

 -------------- Original message ----------------------
From: Zeitgeist <gruengeist@GMAIL.COM>
> Well, my Mercedes just blew out its turbo, so I'll be substituting my van
> for the tint job on Tuesday--I'll report you decide.
>
> On a related note, I just recharged my A/C with a mixture of isobutane and
> propane.  The result?  Vent temps at the front(!) of 33F degrees @ 71F
> degrees ambient--ha, read em and weep!  Cost me around $10.
>
> Casey
> __________________________________________
> '87 300TD intercooler/propane/biodiesel
> '94 100CSQ Avant
> '90 90Q
> '89 Bluestar