70 Duster 5.7 Hemi/46RH

FredS said
pop the OD off of the 4x4 trans, you'll see the 2 mechanical gov tubes. Additionally, an RH 2WD housing will have only the speedo hole, not the small output speed sensor hole. 4x4s, wont have the speedo, as it is on the tcase.

The RH 2WD case looks like this
View attachment 1715006799

Thank you for your input! Saved me from trying to run an RE housing on an RH. Couldn't find my receipt, and don't have an email from the company so I may have to eat the cost unfortunately. I bought it about a year ago.

Picture showing the RE overdrive internals. No governor...