Check the distributor cap for cracks and carbon traces. Make sure the timing is right. Run a compression test to make sure that you don't have a burned or sticking intake valve. Those are the most common cause of the problem you describe. a worn cam can also cause that
Chevy went from Orange to Blue with the 1977 model year.
Selling a 1977 chevy silverado classic
The Chevy Chase Show - 1977 TV was released on: USA: 5 May 1977
A 1977 Chevy pickup truck would have rotors in front and drums in the rear
which fuse goes to the tailights on a 1977 Chevy silverado
No.
If 1977 is not a miss print, then that means you have a carburetor that the chock is not closing when the engine is cold or the Accelerator pump is not working.
Incomplete combustion, running too rich. Unburned fuel in exhaust. You should take to a mech
No
start with center bolts and work your way out in a circular patternaltenating from side to side
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NO.