due to the fact that I'm at the office now I can't cross-check it with my data at home, but I found this info on the web:
914.1.43.0195 - 2.4 l - 190 PS - black
914.2.33.0011 - 2.4 l - 190 PS - light yellow
914.2.33.0012 - 2.4 l - 190 PS - silver metallic
914.2.33.0013 - 2.7 l - 210 PS - viper green (later black)
914.2.33.0014 - 2.7 l - 210 PS - brown metallic
914.2.33.0015 - 2.7 l - 210 PS - silver metallic (VW)
914.2.33.0016 - 2.7 l - 210 PS - red
914.2.33.0017 - 2.7 l - 210 PS - blue metallic
914.2.33.0018 - 2.7 l - 210 PS - dark blue
914.2.33.0019 - 2.7 l - 210 PS - light ivory (later 3,2 l)
914.2.33.0020 - 2.7 l - 210 PS - silver metallic (VW) (later black)
maybe someone has the "Caught by Camera" book handy, they list the engine type as well as the engine numbers in connection to the VIN and built number
Gustl