Question about the TH250 and TH350

[mr_85regal]

are the TH250 and TH350 the same length? iam doing a swap from the 231 2bbl w/ the TH250 to a 355 {chevy 0.30 over} w/ a TH350..and i need to know if i need a new trans crossmember and driveshaft

 

[GNeric]

If they are both the 6" tail housings, they will directly swap over. They both have the 27 spline output shafts so no problem there. The mounts are also in the same place.