hate to break your heart, but that is a 1966 post 300 chevelle.
l know, l had one for years till l lost it in a divorce.
also dad and l raced and drove '66 chevelles since the 70's.
at last count we had 165 or so over 20 years till we got outta racing.
l still have the two door hard-top that was our first street/hot rod.
66 on the front fenders cut back. 67 front fenders come out.
tail lights are different also.