Wtb--mt driveshaft

duster360 said
'70 Darts are 111" wheelbase. When using the 8 3/4 rear the 904 and 4 speed used the same driveshaft, which was roughly 51.800".

I'm not up on any Mopar 4-speed trans length differences, but the 904 uses a different slip spline yoke than a 727/833.