Quote:
Originally Posted by emmvette
Bringing up an old thread. So for my '90, it is 2.25 pounds of R12. Does that convert straight across for R-134? I'm wondering since the R-134 is less efficient if it needs more or the same amount?
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No.. R12 at 2.25 will be around 1.8lbs (at the high end) of R-134a
Typically R-134a is about 75-80% of the R12 fill.
reason the later cars are at 2lbs vs 2.25 is the added capacity of the parallel flow condenser vs the tube and fin condenser