One of our NE club members, Rob Chilenski (owner of Stage1 Automotive in NJ) has one in his 1972 Stage1 street car. https://stage1automotive.com/ It used to be very expensive to go that route, but prices have come down substantially I believe. Check out this thread from 2008, http://www.v8buick.com/index.php?threads/4l80e-info.166567/ I think the stand alone computer is much more affordable now.