Originally Posted by
transportprof
Back on July 30, I posted the question of what it would take to retrofit the MAX into a NG in this very thread! That sounded to many like crazy talk at the time.
But picking up where that discussion abruptly left off in the summer, I was told that the tailcone for the MAX is also different from the NG.
It is, but it's a change that couldn't remain "IF" they tried to re-engine them back to NG. They had to move the tail marker light(s) to either side of the tail cone, but the revised tailcone gave a 1% efficiency bonus