All the solutions discussed here have been R12 to R134. What about the two "alternatives" to R12 that were posted in the first post that are supposed to be 100% compatible.

I also notice they both say "vacuum system out. Dont charge under vacuum!" How does one go about not charging under vacuum? Certainly you dont relieve the vacuum with air...

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Matt
2003 Jetta Wagon TDI 145,000MI
1999.5 Jetta TDI 287,000MI
2001 Suzuki SV650S 26,000MI
2008 Yamaha Vino 125 11,000MI
http://www.crazymatt.org