Need help decoding my dart...

3404speed said
Vehicle Identification Number: LH23G3B343073
Vehicle Model: Dart/Dart Sport
Vehicle Class: High Price Class (Dart Custom, Dart Swinger, Charger Coupe, Coronet Custom, Challenger)
Vehicle Body Style: 2 Door Hardtop
Vehicle Engine: 318 CID/150 HP or 170 HP 2 BBL V8
Vehicle Year: 1973
Vehicle Assembly Plant: Dodge Main, Hamtramck, MI, USA
Assembly Sequence Number: 343073
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Howd you figure out the vehicle id number without me posting it!?

I know the last number is the assembly number but yeh,im impressed lol..

How can you tell what colour was the factory car or interior option colours?

I think this car had a factory sunroof but not sure,wanted to see
if the numbers verify it.

Thank you 340 4spd:)