340 motor

Looking for original motor, tranny and build sheets for the following

1968 Dart GTS vin LS23P8B276736 340 auto console originally
green on green hardtop supposedly out of Connecticut
now gray primer

1970 Challenger vin JH27HOB222944 340 4 speed originally A66 package
f8 green on green convertible last known upstate New York
several years ago now lime green on black interior

1970 Challenger vin JH23HOB216760 340 4 speed originally A66 package
plum crazy purple on black interior hard top sold off used car lot Queens N.Y. 1984 supposedly came from PA prior to that I believe painted maroon with gray stripe at that time like Starsky and Hutch