Well it isn't the "Only" one technically, Yoshi has the supermid and made some key contributions to this project as well, and you can probably still find an old zemco on ebay perhaps with the FI adapter, but it may be the most active.
You might be in for some fun yet with your 93, if it is TBI
http://ecomodder.com/forum/showthrea...sory-6863.html