i've converted a ton of 12 systems to 134.
the duct temp ends up being,on the average, 10 degrees warmer than the 12 was.
the pressures will be 10% - 20% higher usually.
change the dessicant, and the oil to compatable parts and the system should work.
most customers don't notice the difference from 30deg to 40 deg duct temps on hot humid days.
i've not used the freeze 12 or other 'alternative " refridgerants so i can't comment on them.
mike
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so many pontiacs, so little time..................
moderator is a glorified word for an unappreciated prick..................
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