Probably. Backfiring is a symptom of a lean condition. Wouldn't want to leave it like that.
the choke is not working properly
Backfiring in any motor is either badly out of time or a burnt valve.
either the timing is off or you have a plug wire crossed.
It's lean. Could be a lot of reasons why. Start with the vacuum lines, then the timing, carb, fuel pump, intake gaskets, etc. Look for anything worn or leaking and fix it.
bolt them on their the same
That's what should be on it.
what year is my 350 chevy engine K1201KRH
The Firing order for a Chevy 350 is 18436572.