Dear Penthode welcome to the forum! but really I geuess since it's an English vecihle we should spell Peahton slightly differently in fact and actlauuly spell it "Touring Car" which is what it was this side ..a pedant speaks....
Great info John, I assume that KayCee provided carbs for big both and small bore. Were they part of Qualcast do you know as some identical carbs have come with that stamped on them too.