Monogram released a F-16 in 1/48 scale in the mid 70's that was a pre production model. It had the two piece nose gear door as used on the YF and pre production models. The nose was flat and pointed like the YF. It has the strut inside the intake as well as the smaller intakes. Even the seat is the type used in the YF. It is kit # 5401. You might be able to find it on e-bay or other web sites. It has the decals for the YF and FSD aircraft.
Berny
Phormer Phantom Phixer 
On the bench
TF-102A Delta Dagger, 32nd FIS, 54-1370, 1/48 scale. Monogram Pro Modeler with C&H conversion.
Revell F-4E Phantom II 33rd TFW, 58th TFS, 69-260, 1/32 scale.
Tamiya F-4D Phantom II, 13th TFS, 66-8711, 1/32 scale. F-4 Phantom Group Build.