1964 Dart 4 speed with overdrive

Slantsix64 said

hey guy any of you guys done this swap I already have a 4 speed with the cast bell housing I know the later od four speeds have a different retainer diameter than the early cast iron, so would I need the later slant six bell housing? Aluminum, shifter with rods, etc?

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I'm looking at the same combination as you but I'm going to put my OD 4 speed behind a V8. I've searched the Goggle machine on A 833 od adaptation and found a lot of information on the input bearing retainer to bellhousing hole diameter issues. I found a lot of info on the Big Block Dart site. But I'll bet others on here have accomplished this and will chime in.