I'm a newbie but have found my 7 m old BP comes out of hiding about 48 hours after eating a weanling rat. But my 4m BCI seems to need an extra 24 hours so 72 hours. She is 517g and is eating a small rat every 7 days. I kind of let them tell me. The BP starts knocking on her cage doors and the boa sits on her log when they are ready to be sociable.
Molly & Steve
0.1 normal BP 'Precioucess'
0.1 BCI 'Luna'