Really a good chart for factory paint colors
1964 - 1974 Factory Engine Paint Chart
1: Most 1969 - 71 383 4-bbl engines equipped with air conditioning and Carter 4-bbl were found painted turquoise.
2: Most 1970 - 71 high-performance models painted street hemi orange.
3: Some 1969 340's were painted turquoise or red as well as street hemi orange.
4: After April 1971 340 4-bbl engines were painted blue.
Notes: RH = Race Hemi, SH = Street Hemi