ill try to help, the fuel reg needs fed the returning fuel which is at the front of the rail nearest the timing cover, the bottem is the return to the tank and the top one needs fed vacuum from your plenum.
The coilpack oil is likely from your rocker cover gaskets leaking, so just get some new gaskets.
AS for the plenum outlets, just look at a stock manifold and you'll have
1) BOV vacuum line
2) Emissions pipe to charcoal canister, could be 2for that
3) fuel reg vacuum line