My 66 barracuda has factory AC. Getting ready to recharge the system and get it working again. I have one 12oz. Can of R12. How much more will I need for a complete recharge?
Does it have anything in the system now? Regardless, I've never charged by the factory spec. I charge using the gauges. when I get good pressure on both sides that correlates with the ambient air temperature, that's where I nail it down.