Project "Chihuahua" '65 Formula S Restoration "Estilo Mexicano"
Update: 904 Transmission rebuilt by local shop. Changed out the over-running clutch and the discs. I am brushing on a coat of RustOleum clean metal primer (white) so we can more easily locate any transmission leaks after installation (first two photos are how the trans looked when I delivered it to the shop). I painted only half today because it takes a lot of elbow grease (and time) to remove the baked on crud leftover after a spray cleaning.
The model number on the 904 matches the transmission used on the '65 Formula S models, as shown on the Mopar master application list I found online.