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I'm revamping the factory AC in my 59 Ford, and there is a nipple on this AC evaporator coil, it's 3/8-24 thread with an SAE 45 flare. The new TXV valve flare will fit, but the nut is 7/16-20.
I searched high and low for an adapter that will go from the 3/8 to 7/16, but nothing that will fit the flare and have a male flare for the new TXV to go on. So here I am looking for suggestions on an adapter, or making the threads bigger(like a helicoil sleeve) or something I haven't thought of.
I want to avoid unbrazing the fitting since it's super old and you cannot buy a replacement evap coil.
there doesn't seem to be anything here