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.
When you purchase a carburetor kit it comes with a full diagram.
According to ElCaminoCentral.com 15 city and 22 hyway for the V6 3.8 engine.
How to you syncronize a 1984 honda prelude carburator?
No, it's fuel injected.