According to ElCaminoCentral.com 15 city and 22 hyway for the V6 3.8 engine.
no
More then likely it is a 305
The choke light on a 1984 Chevy El Camino will come on if the choke fails to open or close. The choke should be visually inspected to verify functionality.
30 to 35 pounds
Check next to the steering column against the inside firewall
600 cfm will be enough for that engine.
no camino has a straight rear vette has independent rear
yes you can, it will bolt right up to your engine, just make sure you have enough tunnel space to fit it.
Try nada.com
The only 350 available in a 1984 El Camino was the diesel. If your V8 isn't a diesel, it's a 305.
Depends on condition, engine size, & mileage. Click the link to get an idea at NADA.
7000lbs