I am myself building an all wheel drive Model A, it is a very long term project due to financial constraints.
Many of the problems of this Cord project seem curiously deja-vu.
Fitting front drive under very low standard 30's chassis and front guards, with extremely limited total space, and sourcing a suitable front diff...
Been researching all this for a very long time, and have stumbled into some really curious and interesting stuff along the way.
The whole thing kind of stuck a chord........