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Old 01-29-2011, 11:44 PM   #1
cww1967
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Join Date: Dec 2010
Location: midlothian tx
Posts: 5
1972 super cheyenne knocking 454

i was told it is a 454 but could be bb 400 anyways the timing is at of whack #1 at #8 cynd. but any how top end was rebuilt so the say if the timing is really out of whack and if the lifters are to tight could this cause a knock and heavy black/gray smoke any thoughs thanks Mark,
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