I found a refrigerant that can be used directly , I think R 414 , JY Chouinard up in Canada tried it before I had need to, he says works great ( 300F) .
I believe the reason not used widely by oem is it has propane in it and oem fears fire . But your car tank and carbs are full of gas vs a pint or so of propane .
Changing to 134 brings a lot of $ to ac guy . And expansion valves , oil etc all need update to some kind of one of custom fitted system , works — but not original and that guy can fix it.
I would just use 414 . I hope I have numbers right from memory , maybe contact JY —for hands on report ?
Sent from my iPhone not by choice
On 29 Sep 2021, at 5:17 pm, Albert Stauder <astauder55@xxxxxxxxx> wrote:
Good Afternoon Everyone - hope all are well.
As some of you know I recently purchased a beautiful 1960 300F from Bob M. named Virgil. During restoration in 2003 the factory A/C system was rebuilt and installed in the car. However it was never charged since it was set up for long term storage.
I have spoken with a few A/C people here in Texas and get mixed answers. One guy says there is a synthetic substitute for R-12 in which he could charge. Others say it would have to be converted to a R-134 system. One says I would have to change compressor and convert. I want to keep Virgil as original.
Any insight to this would be appreciated, since I want to do the correct charge for the car.
Thank you for all your help.
Al Stauder
Boerne, Texas
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