Originally Posted by
Webby737
I guess with enough money and patience it would probably be possible, after all many of the systems on the B727 are very similar to the B737-200, just three of everything instead of two.
UPS, who spent an absolute fortune upgrading their -100s by re-engining them with RR Tays, fitting a glass cockpit and a HUD kept the flight engineer (the cockpit resembled a B737CL but with a flight engineers panel) so I would assume getting rid of the FE was either too expensive or involved too much paperwork.