I've been taking Subutex for pain for a couple of months now. My dosage is much lower than yours. I read that this medicine actually works better for pain at lower doses. I take 2 - 3 2 ml tabs daily. And, I take Norco at night, usually 10 ml, up to 20.
Unlike Suboxone, Subutex does not contain naloxone. Naloxone is the drug that will make you sick if you take it with narcotics. So you can take Subutex and for pain and use a narcotic for breakthrough pain, or at night like me.
Subutex works on my pain, especially nerve pain, without making me nod off like oxy. It actually gives me a little energy and keeps my appetite down (which is a good thing!) Norco makes me tired and helps put me out at night.