Vacuum plumbing
Alternator belt
With the wiring, just test everything, double check it.
Did I send you the Mk2 wiring spreadsheet? Have a good read through it, so that you are familiar with the reasons for things etc.
I'm wiring up a 3VZ into build #4 this weekend, so an ideal time to pick my brains! If you get stuck anywhere or want to confirm things, just post a message preferably with pics.
My knowledge of wiring this engine into a mk1 is pretty thin, but we will all help where we can!
C.