The Advanced Concepts folks a LTV took a look at the re-engine the B-52G using either a
C-17 or 757, nacelle and engine combination in an un-numbered document titled "Installation
of C-17 Nacelle & Engine on B-52G" This would be right in line for interest as C-17 Nacelles and
Pylons were currently in production at LTV.
They found there would be enough ground clearance on the outboard nacelles using either design.
They also discovered that a new pylon would have to be built, they could not use the C-17 pylon as
currently in manufacture as the engine needed to be mounted closer to the B-52 wing.
Also identified was a problem with Asymmetric Power with the loss of an outboard engine.
"The loss of the outboard engines' 40,000 lbs. of thrust on takeoff cannot be handled by
the B-52 as presently configured. The control system's authority with the existing fin/rudder
combination is inadequate."
Proposed solutions included: automatic thrust control to compensate for lost engine, more
throw on existing rudder, larger chord rudder.
Attached are a couple of drawings from the small report.
Source Vought Aircraft Historical Foundation