You'll get more response by posting this in the "Power Enhancements" section.
Better yet, SEARCH the "Power Enhancements" section using "propane" as a keyword, and prepare to be overwhelmed. A few people have done it. I am not one of them, and I won't be. I need another couple hundred thousand kilometers out of mine.
Brian P.
'96 Passat TDI mit UPsolute