63 Dart 225 /6, pushbutton 904, drive shaft or V8 conversion stuffs

SlantSicknessDart63 said
My 318/727 has overdrive. The 383 is either a 2 or 3 speed. I may be able to swap the od extension, but not sure.

SlantSicknessDart63 said
Everything to make a 80s 318/727 work.

The "727 overdrive" (A518) was not introduced until 1990. The OD unit will not swap onto a regular 727.