~Slant 6 / 225 Cubes = Barracuda Only
~318 Barracudas 70 and 71 (Cuda's in late years)
~340 4 barrel (360 in '74) = Barracuda & Cuda's
~340 Six Pack (AAR's) = Cuda's Only (J Code)
~383 Two Barrel = Barracuda's Only -
? Could be wrong on this one
~383 Four Barrel High Perfomance = Cuda's (N Code)
~426 HEMI's = Cuda's Only (R Code)
~440 Four Barrel = Cuda's Only
?
~440 SIX Barrel = Cuda's Only (V Code)
VIN will look like this.....
BS23V0B123456
B is Barracude
S is Cuda (H would be Barracuda)
23 is hardtop (27 Conv)
V code is Six Pack
0 is 1970
B is built in Hamtramck
123456 is vehicle number
That is off the top of my head... someone else can jump in and fix my mistakes.