Drive shaft

Talked to the son of the DEAD original owner, and the van drove prior to his demise. the drive shaft is the riddle, nothing was changed the son said. the yoke is 3.25 inches, the driveshaft is 2.5 inches. ...... going to an old skool transmission person to ask. ....

Riddle me this Van Man.

By the way, the drive shaft was wired to the frame.

plot thickens.

We need more info. What year, type of Econo, engine and what rear. 7.25" or 9". He may have put in the better rear and you will need a special drive shaft made.