Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 302 Rebuild – Mysterious Black Hole › 302 Rebuild – Mysterious Black Hole February 5, 2012 at 11:00 am #439867 brakeParticipant It just looks bad, but I wouldn’t worry about it – My 302 has “jagged” edge holes just like that in the lifter valley. Imperfect castings, unless you find more evidence to the contrary (metal fragments etc)
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