I saturate the foam rings and go for the "max" value: 15cc on the spring side and 10cc on the damper side. I've been running my Pikes this way for three years. Nobody at SRAM corporate has been able to give me a legitimate reason why they've changed the values; nor have they told me that what I've been doing is a bad idea, when asked.
I do 10mL on each side, my LBS said the same thing. The RC/RCT3 damper is a sealed damper not an open bath, so it has its own oil already. Air shaft side, 10 or 15ml Won't hurt. I just do 10/10 for the ease of remembering but I do oil changes quite often to keep an eye on it.