Obvious areas to avoid and protect with plastic wrap I would think are:
* Distributor cap (cover completely)
* Alternator (avoid direct spray)
* Air intake housing (keep water out)
* Electrical box
* An exposed/aged connector area
* Loose wiring/connectors that deserve extra caution
Do you think that has covered most, suggestions?

Also going to treat the surface rust with Hammerite Kurust then overspray some white primer afterwards.