Offenhauser intake/Holley 390 thread

I'm getting my ducks in a row for this upgrade on my 1980 A727 truck. I can't seem to find a 1-barrel carb that works right and I'm tired of farting around. I'm assembling a parts list and have a few questions too.

The Holley 4-barrel does not support the EGR system, so EGR would need to be disabled/removed?

I don't think the stock air cleaner can be used, so does anyone have any recommendations? I would lose the heated air, right? Will the 390 auto choke make up for the loss of heated air?

So my parts list so far...

Offy manifold (Do I need the setup kit, it's an extra $60)
Holley 390 (and parts for tuning?)
Lokar or Bouchillon or other kickdown?
Throttle cable? (I read I can use the stock one if I mount the carb in the right position)
Odds and ends?

Any help is very much appreciated.