I just received word that BigStuff3 will not offer manumatic compatibility until winter 2005. So those of you who are running or plan to run BigStuff3 engine management will need to get a separate transmission controller if you want manumatic capability.
Choices are:
TCI:
http://www.tciauto.com
PCS:
http://www.transmissioncontroller.com
HGM:
http://www.compushift.com