My 1968 427 biscayne has an unusual engine plant code.
It starts with "s" intead of "t".
I have the build sheet from GM Canada which confirms this.
I was under the impression that all big blocks were made in Tonawanda engine plant.
Were some big blocks assembled in Canada? Does "s" stand for St.Therese? Saginaw?
If it makes a difference my car was built in Canada.
Can anyone shed any light on this?
Mark.