Not Ranked
I would imagine it is a 4.125 bore and a 3.4 stroke. Remember, Dart makes the 302 block with an 8.2" or an 8.7" deckheight. Rod to stroke ratios and compression heights are no problem.
I know Keith builds a killer 380 cid engine based on the 8.7" deckheight 302 block.
If I needed more than 380 cid I'd go with the 351 based block.
Scott
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