Could someone point me to reference areas or websites where I could identify things such as:

Engines
Chasis
Vin #
Color codes

I have a non original engine in my car and wanted to know the exact type of motor it is - also beleive the car has been painted and wondered on its original color...chasis is for cross checking

For Vin # I saw an old posting which I cant find, that showed all the actual Vins and corresponding type.

I am trying to get the full "story" on my car and any potential help is appreciated.