Stop in for a cup of coffee

So, did you know the wheelbase on a 75 duster and 51 Fargo are almost the same? Me neither.
Was thinking about what to do for driveshaft. I guess a duster /727 driveshaft will work if i plan it right.
Cutting engine crossmember out of a truck in my lineup. I think i have a couple transmission crossmembers too.