new owner of 66 chevelle supossly lol

[j3rry]

i jus traded a 95 stang for a 66 chevelle guy said something bout 136 car or something i have no clue . but questions are . title says 66 ss it has bucket seats v8 283 or 327 and 3 speed manual vin tag on door is correct guy gave me orignal documents from org owner with vin tag its correct.. butttt . i noticed tonight theres a vin tag on fire wall and its not correct as other 2 . and also the car sure hell looks like has 67 taillights n it i been lookin at pics of other chevelles n havent seen any with 66 long style did they make a 66 with same as 67 tails ???? and also . guy said something bout car might been state car or some sort cause its factory with cb antenna on pass side rear quarter ??? if u guys could help me out that would be great ...