No, there is no return line. Because of the low pressure of fuel systems on carberated vehicles, there is no need for a return line.
190 Horsepower.
That would be a Rochester 2-barrel are a 4-barrel Quadrajet. You did not say what size. This would not be what they call a FEEDBACK carburetor
To adjust the choke on a 1978 350 4 barrel Chevy truck engine, turn the screw on the side of the carburetor. This screw is located in the side of the carburetor. Turning the screw to the right makes the choke open farther. Turn to the left to make the choke open less.
Of course it has a fuel pump. It is mechanical and is mounted on the engine block. Follow the fuel lines from the carburetor and you will find it.
how long does it take to replace a carburetor on a chevy truck?
Chevy went to fuel injection in late 1987 and the carburator was NO LONGER USED.
No, it would not be possible to fit a carburetor on any truck.
No. But 1969 thru 1972 Chevrolet truck grille assembly will interchange.
That is the big item on the top of the engine in the middle. The air cleaner sets on the top of it. But in 1987 GM started installing electronic fuel injection on all their full size Chevrolet trucks. The unit on top of an engine in a 1987 Chevrolet full size truck is called a throttle body.
To get a carburetor diagram for a 22R 1986 Toyota truck, check with local auto part stores. You can also find it in the truck's owner's manual.
location of ecm 2002 Chevrolet 2500 truck
no