To the Haynes manual!
My 86 has a vac diagram just above the rad
go to eBay and look for service manual
my chevy blazer 1984 the air conditioner blows from down side only.
childers foundation
There is a Vacuum diagram on the plastic shield above the rad fan, although if you are not so lucky as me, it will be all torn or un-readable. I am still on the search for one online...
look on e bay, they had a use Nissan service manual for 5.00
www.pelicanparts.com has it. I found the routings on http://www.clarks-garage.com/
You can find some vacuum diagrams in the Haynes repair manual. This can be found at any parts store.
Chevy didn't offer the 5.7 on the Camaro in 1984
buy a haynes book
There should be a diagram on the right shock tower.