I wouldn't be too worried about getting the EL2 upper, just so the EGR hooked up. I blocked the EGR port at the head/intake interface, with the aim of lowering the intake manifold temperatures (since the hot exhaust gas doesn't flow through it). I got an AU style 65mm TB and EGR spacer at the same time as my 'explorer' manifold, and so that everything looked legal, i bolted the EGR valve back onto the AU EGR spacer (i needed to drill & tap holes for the studs, as the AU one had no EGR valve). No engine fault codes, and everything looks OK. Remember to plug or loop the EGR coolant lines too.
I also went with the crane 2031 cam, and i am pretty happy with it (i have an auto). Idle sounds a lot more agressive than stock cam, and virtually no low end torque loss. I did the cam change after i had installed the new manifold, and the cam change by itself dropped my quarter mile times from 14.68 to (a traction limited) 14.42, with no other changes. You probably know this anyway, but the 2031 is meant for 1.7 rockers. Make sure you change your timing chain too, as if was anything like mine, the stock one was pretty loose.