A-body 4 speed available on E-body

72bluNblu said

Feather Duster and Dart Lite, and I believe all the later ones. The short tailshaft 833 OD also came in F bodies, and although they short tailshaft 833 OD's started with iron tail housings in A bodies I think by the time they ended with the F bodies they were all aluminum.

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1975 OD trans had an all iron case and tail. At least the one I used to replace the 18-spline case with a broken ear was that way.

From what I understand there were also 18-spline 1:1 transmissions available over the counter (Hustle Stuff, Direct Connection). Case parts were available as well. This page is from the 1978 DC catalog.