Thanks.
So, a late November 1969 production car would still be using the "early" brochure specifications.

My own cars (JH27N0B, SPD : January 13th 1970, JS29N0B, SPD : October 21th 1969) do not have their original engines.
Now I know the R/T SE should have a blue engine, but I'm not sure about the convertible.