ORIGINAL: Jezmo
For those looking for a source of PAG oil try the friendly neighborhood auto parts. They sell PAG oil for A/C systems in several grades of viscosity.
Aren't those PAG oils used in A/C systems pretty thin viscosity (even the "thicker" ones?) Also, are all PAG oils soluble in methanol? Have you tried this, and at what oil concentration will the oil seperate from the methanol?
I'm curious to experiment, but I dont want to use the wrong oil and burn my engine up.