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Old 10-16-2011, 05:39 PM
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Are the low holes next to each other? What do the plugs look like from the low holes? Besides the chance of bad ring seal, you might have inverted rings in the bad holes.

Was a torque plate hone done on this engine? What type rings were used- moly or plain cast iron, or ? Normal width rings or 1/16"/metric? Low tension oil rings or standard?
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