hey guys just a question on fuel pressure

i have 2litre mondeo currently running the following mods:

cat back exhaust
hi flow cat
udp
aem cia with blitz filter
stage 2 crower cams
60mm tb
adjustable fuel regulator

my question is what kind of fuel pressure should i be running at to make my mods run well, at the moment its on 2.2 bar (which is for a standard mondeo i think)

also, after fitting the cams the idle is pretty rough just wondering if anything can be done about that?

thanks guys