Originally Posted by bolomiester

I've been using hydrocarbon based refrigerants for years, Dura-cool, enviro-safe etc. and have been very pleased. I never heard of using R290 before. Do you buy it the same way I do for my home barbeque, by the 20 lb. cylinder? If so what kind of hookup did you use to go from the 20 lb. cylinder to your gauge/charging set? I'd love to know.

One of the vehicles I changed over was my 94 Chrysler which came from the factory with r134a. Performance was marginal until I charged it with Dura-cool, now if blows at 36 degrees!