340 dual point??

For the record, my reference tells me that dual point distributors were used in the following A-bodies:
1967 and earlier 273 4bbl
1968 340
1969 340 MANUAL only
1969 383
1969 440
1970 340 MANUAL only (from here down also includes E-body)
1970 440 & Hemi
1971 340 4bbl & 3x2bbl MANUAL only (also lists electronic ignition)
1971 440 3x2bbl
1971 Hemi (also lists electronic ignition)