CORRECTION... when someone says i am in error, i try to research the point to determine who is right. i was CORRECT in saying all 68 340's should be RED. HOWEVER, according to the following source, all 69 340's were "Turquoise" 1970-71 340's were hemi orange. the following chart may be helpful to someone.
Mopar Engine Paint Color Guide 1960-1974 - MyMopar.com