318 to 440 dart.

Bobbyd173rd said

So your saying the deep square sump might work I didn't have much clearance on my 63 dodge b body

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I can't say for 100 percent but it should. Also I think in 1966 they moved the engines back.
Also just remembered the morose pan I had on the 440 in my 65 Plymouth B-Body fit right in my 73 Dodge Dart.