600 cfm will be enough for that engine.
There should be a diagram on the right shock tower.
If it's a carburetor version, there probably isn't a regulator.
Its either along the frame on fuel injected engines or in the carburetor
It should screw into the carburetor on the feed line.
Quadrojet
It should be a 700R4
7000lbs
2.8L 2BL 1984 Chevy Celebrity The Fuel Fiter should be located in the coupling between the fuel line and the carburator.
According to ElCaminoCentral.com 15 city and 22 hyway for the V6 3.8 engine.
When you purchase a carburetor kit it comes with a full diagram.
How to you syncronize a 1984 honda prelude carburator?
No, it's fuel injected.