Upgrade to 273 S (Commando) cam?

rustyfish said

Edelbrock 1406 will bolt right up, no problem. I have one on my Charger 273 manifold without any modification.

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True- most Carter/Eddy carbs have both patterns. Guess I was thinking more along the lines of a Holley, which would require the adapter. I believe that's what the factory did on the D/Stock Dart engines.