Easy peezy if you're not looking too closely! ;-D Gonna have to do some serious cutting & filing to the trailing edge and then a bit of engraving but certainly doable for a decent desktop-type model on an old Airfix or Matchbox stand.
The more I work on this, the more I think "Those diecast ones are only about $75 or so!!" LOL Still working on the MLG Doors fill but modified the nozzle to somewhat resemble a J-79 tail end!
Two steps forward and one step back. While removing the clamps for the arear around the stand reinforcements I dropped the Stbd fuselage half and busted it up. Nothing I can't fix but still.
Looking for something to use to brace/stop my modified J79 engine nozzle from going to far into the fuselage, I found an old Airfix bomber (?) seat that fit the bill.
Since the doors are NOT bulged anyway, and I can't seem to find a Monogram or RoG F-104A/C at a REASONABLE price I will see what I can do with this. I figured I try the first couple in flight with the cockpit (or lack thereof!) painted over in silver/blue desktop style.