upgrading 47RE
The case on the 48re is different as well as the extension housing on at least the 2wd. To upgrade the 47re to 48re would require the transplant of internals. The 47re with DTT upgrades and converters are holding up well. DTT already has some and is working on more upgrades for the 48re as well. Dodge followed DTT and went to 5 clutches in direct in the 48re, so DTT bumped it to 6, Dodge went to 6 in the OD clutch and DTT is retrofitting the 47re with 6. (requires special parts. ) And so it goes, Dodge builds it, we make it better.
James
DTT builder/installer