I have a 1969 starchief V with the 4 cylinder 120 hp in it. Serial number on a plate, 2647628.
The number 3 cylinder spark plug looks like it is running lean. Number 1& 2 look fairly normal, 3 looks lean and 4 looks almost fairly normal.
What do you think will cause this.
The number 3 cylinder spark plug looks like it is running lean. Number 1& 2 look fairly normal, 3 looks lean and 4 looks almost fairly normal.
What do you think will cause this.