Thread: Pontiac Ram Air IV, 455 H/O question
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Old 02-10-2006, 03:06 PM
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Ummgawa Ummgawa is offline
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I have seen a SD 455 motor with Round port heads. The D ports on the 455 H/0 surprises me, though. Thanks for all the help and knowledge. I went to a few Pontiac sites and no help there either. A few "let me get back to you on that" replies.
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