273 special parts

Dana67Dart said
According to the 68 and 69 FSM

68 Plymouth no listing for a 4 bbl 273 or 318
69 Dodge no listing for a 4 bbl 273 or 318

It looks like 273 Commando died in 67 which makes sense with the introduction of the 340 in 68
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Not only just those years, but, even though there were factory A318 4bbl's, there were no factory LA318's with a 4bbl until 1978......not counting marine and industrial stuff.....